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/linux-4.4.14/Documentation/
Ddell_rbu.txt2 Demonstrate the usage of the new open sourced rbu (Remote BIOS Update) driver
3 for updating BIOS images on Dell servers and desktops.
7 It does not cover the support needed from applications to enable the BIOS to
12 the BIOS on Dell servers (starting from servers sold since 1999), desktops
16 Libsmbios can also be used to update BIOS on Dell systems go to
19 Dell_RBU driver supports BIOS update using the monolithic image and packetized
21 of physical pages having the BIOS image. In case of packetized the app
28 inform the BIOS to enable the update in the next system reboot.
30 The user should not unload the rbu driver after downloading the BIOS image
41 These update mechanism depends upon the BIOS currently running on the system.
[all …]
Dsvga.txt8 allows the use of various special video modes supported by the video BIOS. Due
9 to usage of the BIOS, the selection is limited to boot time (before the
61 with VESA-compliant BIOS]) or a chipset name (e.g., Trident). Direct detection
79 on the VGA BIOS).
88 program will try to ask the BIOS for all possible video mode numbers and test
91 all consistent video modes supported by your BIOS will appear (plus maybe some
112 0x0100 to 0x017f - standard BIOS modes. The ID is a BIOS video mode number
115 0x0200 to 0x08ff - VESA BIOS modes. The ID is a VESA mode ID increased by
120 945=132x28 for the standard Video7 BIOS)
194 Allows to set _any_ BIOS mode including graphic ones and forcing specific
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Dgdb-kernel-debugging.txt100 [ 0.000000] e820: BIOS-provided physical RAM map:
101 [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
102 [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
Dintel_txt.txt61 static root of trust must be used. This bases trust in BIOS
65 Linux kernel, this means all of BIOS, any option ROMs, the
163 in the e820 table, but not any memory that BIOS might alter over
180 In BIOS, the user must enable: TPM, TXT, VT-x, VT-d. Not all BIOSes
182 which to find them are BIOS-specific.
DIntel-IOMMU.txt28 There are some devices the BIOS controls, for e.g USB devices to perform
31 regions will fail. Hence BIOS uses RMRR to specify these regions along with
Dhw_random.txt69 3) users with properly working BIOS e820 handling will always
72 However, for people who use mem=XX, BIOS e820 information is
Dedac.txt752 1. Title: BIOS and Kernel Developer's Guide for AMD Athlon 64 and AMD
758 2. Title: BIOS and Kernel Developer's Guide for AMD NPT Family 0Fh
765 3. Title: BIOS and Kernel Developer's Guide (BKDG) For AMD Family 10h
772 4. Title: BIOS and Kernel Developer's Guide (BKDG) for AMD Family 15h
779 5. Title: BIOS and Kernel Developer's Guide (BKDG) for AMD Family 15h
786 6. Title: BIOS and Kernel Developer's Guide (BKDG) for AMD Family 16h
Ddcdbas.txt14 The Dell libsmbios project aims towards providing access to as much BIOS
Dparport.txt249 enabled by the BIOS, and detected by the driver.
260 and yes, it should be), set the port to ECP mode in the BIOS and note
Dkernel-parameters.txt61 EDD BIOS Enhanced Disk Drive Services (EDD) is enabled
294 acpi_os_name= [HW,ACPI] Tell ACPI BIOS the name of the OS
345 feature group strings to debug BIOS issues related to
369 For broken nForce2 BIOS resulting in XT-PIC timer.
1383 i8k.force [HW] Activate i8k driver even if SMM BIOS signature
1592 BIOS x2APIC opt-out request will be ignored
1798 lapic [X86-32,APIC] Enable the local APIC even if BIOS
1817 libata.ignore_hpa=0 keep BIOS limits (default)
2050 BIOS output or other requirements. See the memmap=nn@ss
2083 repeatable BIOS-originated corruption always
[all …]
Dkasan.txt79 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.7.5-0-ge51488c-20140602_164612-ni…
Dcpu-hotplug.txt65 BIOS doesn't mark such hot-pluggable cpus as disabled entries, one could
180 To support physical addition/removal, one would need some BIOS hooks and
D00-INDEX151 - document demonstrating the use of the Dell Remote BIOS Update driver.
429 - short guide on selecting video modes at boot via VGA BIOS.
Doops-tracing.txt264 firmware (BIOS or similar).
Ddevices.txt354 134 = /dev/apm_bios Advanced Power Management BIOS
405 188 = /dev/smbusbios SMBus BIOS
1801 104 char Flash BIOS support
1952 114 block IDE BIOS powered software RAID interfaces such as the
/linux-4.4.14/Documentation/x86/
Dusb-legacy-support.txt7 Also known as "USB Keyboard" or "USB Mouse support" in the BIOS Setup is a
20 system crashes, because the SMM BIOS is not expecting to be in PAE mode.
24 because the SMM BIOS isn't expecting the CPU to be in 64-bit mode. The
25 BIOS manufacturers only test with Windows, and Windows doesn't do 64-bit
36 in the kernel config or USB Legacy support in the BIOS. A BIOS update
39 Problem 3) is usually fixed by a BIOS update. Check the board
41 Legacy support in the BIOS. If this alone doesn't help, try also adding
42 idle=poll on the kernel command line. The BIOS may be entering the SMM
Dzero-page.txt14 040/014 ALL apm_bios_info APM BIOS information (struct apm_bios_info)
16 060/010 ALL ist_info Intel SpeedStep (IST) BIOS support information
Dboot.txt28 BIOS entry points. zImage deprecated but still
71 | Reserved for BIOS | Do not use. Reserved for BIOS EBDA.
84 | Reserved for MBR/BIOS |
88 | BIOS use only |
102 memory, called the Extended BIOS Data Area, near the top of low
103 memory. The boot loader should use the "INT 12h" BIOS call to verify
122 | Reserved for BIOS | Leave as much as possible unused
133 | Reserved for MBR/BIOS |
137 | BIOS use only |
796 BIOS Data Area (EBDA). As a result, it is advisable to use as little
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/linux-4.4.14/Documentation/sound/alsa/
DHD-Audio-Models.txt87 auto auto-config reading BIOS (default)
139 auto auto-config reading BIOS (default)
198 auto BIOS setup (default)
207 auto BIOS setup (default)
231 auto BIOS setup (default)
243 auto BIOS setup (default)
253 dell-bios Fixes with Dell BIOS setup
254 dell-bios-amic Fixes with Dell BIOS setup including analog mic
256 auto BIOS setup (default)
268 auto BIOS setup (default)
[all …]
DHD-Audio.txt12 problem is broken BIOS, and the rest is the driver implementation.
89 BIOS reports the available codec slots wrongly, the driver gets
119 On a machine with a broken BIOS, sometimes you need to force the
151 override the BIOS setup or to provide more comprehensive features.
157 hda_codec: ALC880: BIOS auto-probing.
161 hda_codec: Unknown model for ALC880, trying auto-probe from BIOS...
168 configuration mechanism based on the BIOS setup.
170 The HD-audio codec has usually "pin" widgets, and BIOS sets the default
175 support the automatic probing (yet as of 2.6.28). And, BIOS is often,
388 Shows the initial pin default config values set by BIOS.
[all …]
DALSA-Configuration.txt335 legacy ISA in your BIOS.
369 legacy ISA in your BIOS.
945 single command mode is provided only for BIOS, and you won't get
1950 mpu_port - 0x300,0x310,0x320,0x330, otherwise obtain BIOS setup
1967 set the SMP (or MPS) version on BIOS to 1.1 instead of
1969 assigned under 15. You might also upgrade your BIOS.
1979 bug of BIOS.
/linux-4.4.14/Documentation/fb/
Duvesafb.txt8 uvesafb should work with any video card that has a Video BIOS compliant
12 v86d. v86d is used to run the x86 Video BIOS code in a simulated and
32 cards, but which is ultimately limited by the Video BIOS interface.
38 with uvesafb, simply because the Video BIOS doesn't support the
41 ratio, which is what most BIOS-es are limited to.
43 Video BIOS. Note that many nVidia Video BIOS-es claim to be VBE 3.0
97 If the video BIOS of your card incorrectly determines the total
98 amount of video RAM, use this option to override the BIOS (in MiB).
116 has any effect only if the Video BIOS is VBE 3.0 compliant. Use it
119 be ignored and the refresh rate will stay at your BIOS default (60 Hz).
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Dvesafb.txt8 of the BIOS, and use this as framebuffer device /dev/fb0, like the m68k
13 impossible; BIOS calls work in real mode only. VESA BIOS Extensions
69 If this does not work, this might be because your BIOS does not support
71 Even if your board does, it might be the BIOS which does not. VESA BIOS
109 The VESA BIOS provides protected mode interface for changing
112 seems not to work with some BIOS versions, but there are options
170 if the video BIOS of your card incorrectly determines the total
171 amount of video RAM, use this option to override the BIOS (in MiB).
Darkfb.txt12 - only BIOS initialized VGA devices supported
49 * secondary (not initialized by BIOS) device support
Ds3fb.txt16 - only BIOS initialized VGA devices supported
58 * secondary (not initialized by BIOS) device support
Dmatroxfb.txt133 novga - disables VGA I/O ports. It is default if BIOS did not enable device.
137 enable VGA I/O if BIOS did not it (it is not safe to enable it in
139 nobios - disables BIOS ROM. It is default if BIOS did not enable BIOS itself.
142 bios - preserve state of BIOS ROM. It is default. Driver does not enable
143 BIOS if BIOS was not enabled before.
146 strange pattern on screen and so on. Devices not enabled by BIOS
317 by BIOS)
Dgxfb.txt11 BIOS.
Dlxfb.txt11 BIOS.
Dvt8623fb.txt46 * secondary (not initialized by BIOS) device support
Dtridentfb.txt52 detection says in all three BIOS selectable situations 2M, 4M, 8M.
Dintel810.txt49 - Supports EDID probing either by DDC/I2C or through the BIOS
146 Useful if the BIOS turns off the VGA port when no monitor is attached.
Dintelfb.txt36 if not enough RAM was already allocated by the BIOS.
/linux-4.4.14/drivers/pnp/pnpbios/
DKconfig2 # Plug and Play BIOS configuration
5 bool "Plug and Play BIOS support"
9 Linux uses the PNPBIOS as defined in "Plug and Play BIOS
18 BIOS) say Y here. Also the PNPBIOS can help prevent resource
26 bool "Plug and Play BIOS /proc interface"
/linux-4.4.14/Documentation/acpi/apei/
Deinj.txt7 You need to check whether your BIOS supports EINJ first. For that, look
12 which shows that the BIOS is exposing an EINJ table - it is the
19 don't exist: before you give up, go into BIOS setup to see if the BIOS
23 the BIOS menu.
110 this actually works depends on what operations the BIOS actually
113 BIOS versions based on the ACPI 4.0 specification have limited options
114 in controlling where the errors are injected. Your BIOS may support an
120 BIOS versions based on the ACPI 5.0 specification have more control over
144 An ACPI 5.0 BIOS may also allow vendor-specific errors to be injected.
146 from the BIOS that hopefully will allow an application wishing to use
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/linux-4.4.14/Documentation/hwmon/
Dnct780222 Tested Boards and BIOS Versions
26 BIOS versions.
28 Board BIOS version
Dk10temp20 BIOS and Kernel Developer's Guide (BKDG) For AMD Family 10h Processors:
22 BIOS and Kernel Developer's Guide (BKDG) for AMD Family 11h Processors:
24 BIOS and Kernel Developer's Guide (BKDG) for AMD Family 12h Processors:
26 BIOS and Kernel Developer's Guide (BKDG) for AMD Family 14h Models 00h-0Fh Processors:
75 If the BIOS has enabled hardware temperature control, the threshold at
Dsch562721 initialization most be done by the BIOS, so if the watchdog is not enabled
22 by the BIOS the sch5627 driver will not register a watchdog device.
Dfam15h_power11 BIOS and Kernel Developer's Guide (BKDG) For AMD Family 15h Processors
12 BIOS and Kernel Developer's Guide (BKDG) For AMD Family 16h Processors
Dina20979 to be done in the BIOS. In the absence of BIOS programming, the shunt resistor
91 Output pin programming is a board feature which depends on the BIOS. It is
Dmax665053 If your board has a BIOS that initializes the MAX6650/6651 correctly, you can
55 registers then. If your board BIOS doesn't initialize the chip, or you want
Dvt121122 * uch_config: int Override the BIOS default universal channel (UCH)
29 * int_mode: int Override the BIOS default temperature interrupt mode.
36 Be aware that overriding BIOS defaults might cause some unwanted side effects!
110 interrupt mode can be forced to 0 in case the BIOS doesn't do it
124 According to the VIA VT1211 BIOS porting guide, the following gain and offset
Dthmc5051 remote temperature sensor. The driver use the mode set by BIOS by default.
53 In case the BIOS is broken and the mode is set incorrectly, you can force
Damc682195 If your board has a BIOS that initializes the amc6821 correctly, you should
98 If your board BIOS doesn't initialize the chip, or you want
Df71882fg90 motherboard, so the driver assumes that the BIOS set the method
107 between 0-100% of fan#_full_speed. It is assumed that if the BIOS programs
113 registers, so the mode which the BIOS has set is kept. The mode is
Dvia686a22 don't set the address in the BIOS. Look for a BIOS
Dnct790440 previously configured by BIOS (or configuration EEPROM)
Dw83l786ng19 behavior is no chip reset to preserve BIOS settings
Dsis559543 that don't set the address in the BIOS. Does not do a
66 which was hopefully set by the BIOS.
Dw83l785ts35 On some systems (Asus), the BIOS is known to interfere with the driver
Dnct668341 must all be written from the BIOS.
Dw83791d34 and depend on the BIOS to properly setup the chip. If you know you
41 behavior is no chip reset to preserve BIOS settings.
Dw83792d46 how the W83792AD/D was configured by the BIOS.
119 need to upgrade to latest (or beta) BIOS. If it does not help please
Dadm102545 process, assuming that the BIOS set it up properly beforehand. If it turns
Df71805f122 doesn't allow changing it. In theory, the BIOS should have configured
131 motherboard, so the driver assumes that the BIOS set the method
Dlm6357 is left to the BIOS, and the driver will blindly trust it. Only the original
Djc4285 If the BIOS has configured the sensor for automatic temperature management, it
Dsmsc47m19245 is correct, i.e. that the BIOS has updated the configuration if
Dw83627hf73 This was meant as a workaround for mainboards with a broken BIOS. This
Dit8799 misconfigured by BIOS - PWM values would be inverted. This option tries
100 to fix this. Please contact your BIOS manufacturer and ask him for fix.
Dadm924032 The I2C addresses listed above assume BIOS has not changed the
Dw83627ehf160 different power-on default values, but BIOS should already be loading
Dlm8594 exposed to user control. The BIOS should initialize them to the correct
Ddme173731 shouldn't be required since the BIOS usually takes care
Dw83781d407 that was dropped at the BIOS)
/linux-4.4.14/drivers/mtd/maps/
DKconfig135 mtd0 and mtd2 are the two BIOS drives, which use the resident
138 mtd1 allows you to reprogram your BIOS. BE VERY CAREFUL.
172 tristate "BIOS flash chip on AMD76x southbridge"
175 Support for treating the BIOS flash chip on AMD76x motherboards
176 as an MTD device - with this you can reprogram your BIOS.
181 tristate "BIOS flash chip on Intel Controller Hub 2/3/4/5"
184 Support for treating the BIOS flash chip on ICHX motherboards
185 as an MTD device - with this you can reprogram your BIOS.
190 tristate "BIOS flash chip on Intel ESB Controller Hub 2"
193 Support for treating the BIOS flash chip on ESB2 motherboards
[all …]
/linux-4.4.14/Documentation/scsi/
Daha152x.txt35 Don't test for BIOS signature (AHA-1510 or disabled BIOS)
55 When you do this, the BIOS test is skipped. Entered values have to be
107 The BIOS uses a cylinder/head/sector addressing scheme (C/H/S)
108 scheme instead. DOS expects a BIOS or driver that understands this
115 Therefore the SCSI BIOS/DOS driver has to calculate a logical/virtual
117 returned by the SCSI BIOS is a pure calculation and has nothing to
130 The AHA-1522 BIOS calculates the geometry by fixing the number of heads
138 extended translation. This means that the BIOS uses 255 for heads,
145 not be configurable in certain BIOS setups.
Ddc395x.txt21 The driver uses the settings from the EEPROM set in the SCSI BIOS
73 4 0x10 16 Immediate return on BIOS seek command. (Not used)
DBusLogic.txt179 On PCI systems running kernels compiled with PCI BIOS support enabled, this
181 addresses assigned by the system BIOS, rather than the ISA compatible I/O
210 FlashPoint LT (BT-920) Ultra SCSI-3 (BT-930 without BIOS)
298 recognize the PCI I/O port assignments made by the motherboard's PCI BIOS.
320 correctly, it is necessary that the host adapter's BIOS and the kernel agree
322 host adapters in the same order. The motherboard's PCI BIOS provides a
324 kernel. Some PCI BIOS implementations enumerate the PCI slots in order of
330 the PCI BIOS enumeration, and requires that their scheme be supported by the
331 host adapter's BIOS to receive Windows 95 certification. Therefore, the
340 by the host adapter's BIOS.
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Din2000.txt99 comments. Some of you disable the BIOS on the card, which
152 sw1-1 sw1-2 BIOS address (hex)
157 on on BIOS disabled
174 sw1-8 function depends on BIOS version. In earlier versions this
Dncr53c8xx.txt158 Chip SDMS BIOS Wide SCSI std. Max. sync driver driver
272 BIOS/SETUP, you can configure tagged queueing feature and device queue
599 BIOS and drivers from SYMBIOS, you would want to enable this option.
601 based scsi board with a vendor-specific BIOS.
603 use a vendor-specific BIOS and are known to not use SYMBIOS compatible
767 Donnot enable LED support if your scsi board does not use SDMS BIOS.
780 diff:1 set up diff mode if BIOS set it
786 irqm:1 same as initial settings (assumed BIOS settings)
871 burst length from BIOS settings burst:255
875 differential support from BIOS settings diff:1
[all …]
Darcmsr_spec.txt37 ** 1 : BIOS request
48 ** bit30 : reserved for BIOS handshake
54 ** 6. BIOS request
55 ** All BIOS request is the same with request from PostQ
Dg_NCR5380.txt39 When NCR53c400 support is compiled in, BIOS parameters will be returned by
Dtmscsim.txt39 BIOS setup. The DC390 EEPROM is read and used by the driver, any boot or
278 DC390 EEPROM, the settings are given in a DC390 BIOS' way.
288 * SpdIdx: The index of the maximum speed as in the DC390 BIOS. The values
313 4 0x10 16 Immediate return on BIOS seek command. (Not used)
381 it's consistent with the BIOS' behaviour. Old DC390 drivers ignored the
Dsym53c8xx_2.txt130 Chip SDMS BIOS Wide SCSI std. Max. sync SCRIPTS PHASE MISMATCH
243 BIOS/SETUP, you can configure tagged queueing feature and device queue
462 Do not enable LED support if your scsi board does not use SDMS BIOS.
467 diff=1 set up diff mode if BIOS set it
473 irqm=1 same as initial settings (assumed BIOS settings)
839 (Removable Media added Symbios BIOS version 4.09)
1000 as BIOS dev 1 - boot device
DChangeLog.ips82 - Add ability to flash ServeRAID BIOS
DChangeLog.sym53c8xx_236 since BIOS settings were trusted instead on first load.
DChangeLog.megaraid43 > I've checked filesystem, memory on the node, motherboard BIOS
193 when the "Cluster mode" of the adapter BIOS is enabled.
450 no BIOS to start the controller. The FW starts to boot after receiving
Dadvansys.txt12 lowered in the BIOS by changing the 'Host Queue Size' adapter setting.
Daic7xxx.txt127 1. No BIOS support
DChangeLog.ncr53c8xx485 (Note: SYMBIOS uses 32 DWORDS for the SDMS BIOS)
DChangeLog.1992-1997943 BIOS version 3.5.
1615 * aha1542.[c,h]: Support extended BIOS stuff.
/linux-4.4.14/Documentation/cpu-freq/
Damd-powernow.txt16 The drivers use BIOS supplied tables to obtain frequency and
18 Frequency transitions will be unavailable if the BIOS does
27 is available in the "BIOS and Kernel Developer's Guide", publication
30 BIOS supplied data, for powernow-k7 and for powernow-k8, may be
Duser-guide.txt74 to the ACPI<->BIOS interface.
204 bios_limit : If the BIOS tells the OS to limit a CPU to
208 intended) BIOS settings, restrictions
210 BIOS/HW based implementations.
Dpcc-cpufreq.txt96 the system with a single call to the BIOS.
123 However, it is possible to disable this interface via a BIOS setting. In
156 frequencies need to be listed because the BIOS will try to achieve any
170 conditions are met the BIOS can achieve a slightly higher speed than requested
178 nominal frequency from the BIOS, sometimes, the values displayed by
Dboost.txt31 Most systems offer a switch in the (BIOS) firmware to disable the
/linux-4.4.14/drivers/pci/pcie/
DKconfig61 bool "BIOS default"
64 Use the BIOS defaults for PCI Express ASPM.
71 BIOS did not.
77 Disable PCI Express ASPM L0s and L1, even if the BIOS enabled them.
/linux-4.4.14/drivers/firmware/
DKconfig31 tristate "BIOS Enhanced Disk Drive calls determine boot disk"
34 Say Y or M here if you want to enable BIOS Enhanced Disk Drive
35 Services real mode BIOS calls to determine which disk
36 BIOS tries boot from. This information is then exported via sysfs.
39 obscure configurations. Most disk controller BIOS vendors do
86 tristate "BIOS update support for DELL systems via sysfs"
91 Say m if you want to have the option of updating the BIOS for your
93 supporting application to communicate with the BIOS regarding the new
/linux-4.4.14/Documentation/ABI/testing/
Dsysfs-driver-ppi7 Presence Interface). Only if TPM is supported by BIOS, this
50 take place in order to transition to the BIOS for execution of
60 operation to be executed in the pre-OS environment by the BIOS
71 operation to be executed in the pre-OS environment by the BIOS
Dsysfs-devices-system-ibm-rtl19 BIOS Data Area (EBDA).
Dsysfs-class-mei24 registers for BIOS and OS to monitor fw health.
Dsysfs-firmware-acpi73 can do a anything the BIOS writer wants from
/linux-4.4.14/Documentation/power/
Dvideo.txt9 initialized by BIOS, and kernel does not have enough information to
13 This is not problem for swsusp, because during swsusp resume, BIOS is
18 We either have to run video BIOS during early resume, or interpret it
43 (2) systems where it is possible to call the video BIOS during S3
44 resume. Unfortunately, it is not correct to call the video BIOS at
49 the BIOS works well enough to be able to set video mode. Use
92 Acer Aspire 1406LC ole's late BIOS init (7), turn off DRI
133 … A31 / Type 2652-M5G s3_mode (3) [works ok with BIOS 1.04 2002-08-23, but not at all with BIO…
Dapm-acpi.txt8 is possible with BIOS controlled APM.
Ddrivers-testing.txt12 the machine's BIOS.
Dpci.txt40 or with the help of platform firmware, such as an ACPI BIOS. In the first
143 For this purpose the ACPI BIOS provides special functions called "control
147 stored in the machine's BIOS. The kernel loads them from the BIOS and executes
149 computations and memory or I/O space accesses. This way, in theory, a BIOS
157 only be used to handle devices that the BIOS writer knew about in advance. The
212 and event sources is recorded in the system's ACPI BIOS from where it can be
215 If a PCI device known to the system's ACPI BIOS signals wakeup, the GPE
219 example, native PCI PMEs from devices unknown to the system's ACPI BIOS may be
257 ACPI BIOS to release control of root port configuration registers. The ACPI
258 BIOS, however, is not required to allow the kernel to control these registers
[all …]
Dstates.txt68 particular, on ACPI systems the kernel passes control to the BIOS (platform
/linux-4.4.14/arch/m32r/
DKconfig348 bool "BIOS"
350 On PCI systems, the BIOS can be used to detect the PCI devices and
352 have BIOS bugs and may crash if this is done. Also, some embedded
353 PCI-based systems don't have any BIOS at all. Linux can also try to
354 detect the PCI hardware directly without using the BIOS.
357 devices. If you choose "BIOS", the BIOS will be used, if you choose
358 "Direct", the BIOS won't be used, and if you choose "Any", the
359 kernel will try the direct access method and falls back to the BIOS
/linux-4.4.14/Documentation/acpi/
Dinitrd_table_override.txt13 override nearly any ACPI table provided by the BIOS with an instrumented,
30 If BIOS ACPI tables are overridden the kernel will get tainted with the
32 Complain to your platform/BIOS vendor if you find a bug which is so sever
37 - It provides a powerful feature to easily debug and test ACPI BIOS table
Ddsdt-override.txt1 Linux supports a method of overriding the BIOS DSDT:
/linux-4.4.14/arch/sh/
DKconfig.debug9 bool "Use LinuxSH standard BIOS"
13 package from www.m17n.org (or any conforming standard LinuxSH BIOS)
14 in FLASH or EPROM. The kernel will use standard BIOS calls during
/linux-4.4.14/Documentation/i2c/busses/
Di2c-ali15x324 the BIOS. Does not do a PCI force; the device must still be present in
53 Gigabyte GA-5AX (** Generally doesn't work because the BIOS doesn't
80 ** in the BIOS.
Di2c-piix458 try to enable it. THIS IS VERY DANGEROUS! If the BIOS did not set up a
60 crashes, data corruption, etc.). Try this only as a last resort (try BIOS
77 PIIX4-compatible SMBus controllers. If your BIOS initializes the
Di2c-ismt14 Allows changing of the bus speed. Normally, the bus speed is set by the BIOS
Di2c-via26 A: Go to your BIOS setup, section PCI devices or similar.
Di2c-sis559544 that don't set the address in the BIOS. Does not do a
Di2c-sis63021 what your BIOS use). DANGEROUS! This should be a bit
Di2c-viapro65 If none of these show up, you should look in the BIOS for settings like
Di2c-i801113 BIOS to enable it, it means it has been hidden by the BIOS code. Asus is
/linux-4.4.14/tools/power/cpupower/
DToDo9 -> Is by design racy with BIOS, but could be added
/linux-4.4.14/Documentation/ABI/stable/
Dsysfs-acpi-pmprofile7 as provided by BIOS. The integer value is directly passed as
/linux-4.4.14/arch/x86/
DKconfig751 activated if the platform and the BIOS support this feature.
782 BIOS code.
1081 the CPU on Toshiba portables with a genuine Toshiba BIOS. It does
1082 not work on models with a Phoenix BIOS. The System Management Mode
1083 is used to set the BIOS and power saving options on Toshiba portables.
1114 some combinations of hardware and BIOS. The symptom, for which
1452 by the Intel Sandy Bridge-EP reference BIOS as protected memory.
1471 is suspected to be caused by BIOS. Even when enabled in the
1485 BIOS-originated corruption always affects the same memory,
1498 int "Amount of low memory, in kilobytes, to reserve for the BIOS"
[all …]
DKconfig.debug19 userspace access to PCI space and the BIOS code and data regions.
/linux-4.4.14/Documentation/devicetree/bindings/rtc/
Drtc-cmos.txt16 "Register A" and "B" are usually initialized by the firmware (BIOS for
/linux-4.4.14/drivers/vfio/pci/
DKconfig18 BIOS and generic video drivers.
/linux-4.4.14/Documentation/video4linux/bttv/
DPROBLEMS16 Some S3 cards even take up 64MB of memory but only report 32MB to the BIOS.
22 try disabling features of your PCI chipset in the BIOS setup.
/linux-4.4.14/Documentation/sound/oss/
DSoundPro46 subsystem and sound drivers. Alternatively, some BIOS's allow manual
47 configuration of installed PnP devices in a BIOS menu, which should
54 do something like the following (which *must* match the isapnp/BIOS
DOpti52 In most systems with a PnP BIOS you do not need to use isapnp. The
53 initialization provided by the BIOS is sufficient for the driver
160 Most new systems have a PnP BIOS and also two IDE controllers.
163 also do not have a PnP BIOS - requiring isapnptools and a modularized
DPSS18 "ISA/Legacy" in the BIOS on modern machines.
DREADME.OSS366 Some machines have a BIOS utility for setting PnP resources. This is a good
/linux-4.4.14/Documentation/blockdev/
DREADME.DAC960193 actually function correctly. Similarly, not all motherboards have a BIOS that
237 drives using the BIOS Configuration Utility or DACCF. Please note that since
241 large disk arrays it is advisable to enable the 8GB BIOS Geometry (255/63)
242 rather than accepting the default 2GB BIOS Geometry (128/32); failing to so do
244 will make it impossible for FDISK to be used properly. The 8GB BIOS Geometry
245 can be enabled by configuring the DAC960 BIOS, which is accessible via Alt-M
246 during the BIOS initialization sequence.
272 installation and subsequent configuration of additional storage. The BIOS
273 Configuration Utility (accessible via Alt-R during the BIOS initialization
310 Stripe Size: 64KB, Segment Size: 8KB, BIOS Geometry: 255/63
[all …]
Dfloppy.txt144 described in the physical CMOS), or if your BIOS uses
/linux-4.4.14/Documentation/watchdog/
Dhpwdt.txt59 message that details the reason for the NMI (as determined by the HP BIOS).
61 Below is a list of NMIs the HP BIOS understands along with the associated
Dwatchdog-parameters.txt122 1=SuperMicro Pent3, 2=SuperMicro Pent4+, 911=Broken SMI BIOS
/linux-4.4.14/Documentation/devicetree/bindings/pci/
Ddesignware-pcie.txt21 the link is brought already up in BIOS)
/linux-4.4.14/drivers/platform/x86/
DKconfig47 After loading this driver the BIOS is still in control of the fan.
64 This is a driver for controlling Alienware BIOS driven
327 BIOS of the Sony Vaio laptops.
484 unlikely to need NVRAM polling in their latest BIOS versions.
508 BIOS. This is especially the case for some R52 ThinkPads.
649 their lack of a BIOS setup menu and APM support.
814 This module will allow you the enter and exit PRTM in the BIOS via
819 If the proper BIOS support is found the driver will load and create
821 whether or not the BIOS is in PRTM.
822 state = 0 (BIOS SMIs on)
[all …]
/linux-4.4.14/drivers/pnp/
DKconfig13 are provided to the cards from the BIOS, from the operating system,
/linux-4.4.14/drivers/message/fusion/lsi/
Dmpi_history.txt370 * to specify the BIOS boot device.
374 * Added new BIOS Page 1 config page.
388 * Added defines for MaxTargetSpinUp to BIOS Page 1.
395 * 12-07-04 01.05.04 Added config page structures for BIOS Page 2, RAID
416 * Added new defines for BIOS Page 1 IOCSettings field.
427 * Added Enclosure/Slot boot device format to BIOS Page 2.
438 * Added Port Enable Delay settings to BIOS Page 1.
500 * Added Disable SMART Polling to DeviceSettings of BIOS
514 * Added BIOS Page 4 structure.
/linux-4.4.14/Documentation/timers/
Dhpet.txt17 role. Many x86 BIOS writers don't route HPET interrupts at all, which
/linux-4.4.14/Documentation/networking/
Ds2io.txt100 a. By default, the driver respects BIOS settings for PCI bus parameters.
121 a. By default, the driver respects BIOS settings for PCI bus parameters.
D3c509.txt154 3c509B card is not detected on machines with an ISA PnP BIOS.
155 While the updated driver works with most PnP BIOS programs, it does not work
Dcs89x0.txt313 corruption you should use your PC's BIOS to slow the EISA bus clock.
548 E000-FFFF AT BIOS
583 * BIOS (make and version)
Dcxgb.txt281 the number of outstanding transactions, via BIOS configuration
Darcnet-hardware.txt313 C0000 \ One of these is your VGA BIOS - usually C0000.
315 F0000 - System BIOS
1867 OFF OFF OFF OFF | F0000 (conflicts with main BIOS)
1870 OFF OFF ON ON | C0000 (conflicts with video BIOS)
/linux-4.4.14/drivers/scsi/aic7xxx/
Daic7xxx.reg520 field EEPROM 0x04 /* Writable external BIOS ROM */
1383 * BIOS or are specified by the sequencer code.
1385 * The host adapter card (at least the BIOS) uses 20-2f for SCSI
1387 * BIOS trashes 20-2f, writing the synchronous negotiation results
1388 * on top of the BIOS values, so we re-use those for our per-target
1410 * the BIOS. The Sequencer relies on a per-SCB field to
1423 * the BIOS. The Sequencer relies in a per-SCB field to control the
1640 * These scratch ram locations are initialized by the 274X BIOS.
1641 * We reuse them after capturing the BIOS settings during
1674 * the BIOS.
Daic7xxx.seq571 * BIOS array for this table. Count is one less than
Daic79xx.reg4279 * BIOS SCB offsets
/linux-4.4.14/drivers/edac/
DKconfig76 bool "Output ACPI APEI/GHES BIOS detected errors via EDAC"
81 provide a BIOS-driven error report mechanism via ACPI, using the
86 mechanisms, if a GHES BIOS is detected, entering into the
90 error mechanism won't work well, as BIOS will race with OS, while
/linux-4.4.14/Documentation/ide/
Dide.txt16 *** automatically at startup when PCI BIOS support is configured.
81 Drives are normally found by auto-probing and/or examining the CMOS/BIOS data.
153 instructions above). If you have a PCI system, also check the BIOS
155 disabled by the BIOS.
/linux-4.4.14/drivers/char/mwave/
DREADME5 are not saved by the BIOS and so do not persist after unload and reload.
/linux-4.4.14/Documentation/devicetree/bindings/leds/
Dleds-gpio.txt41 /* Keep LED on if BIOS detected hardware fault */
/linux-4.4.14/Documentation/x86/x86_64/
Dboot-options.txt31 (e.g. BIOS or hardware monitoring applications), conflicting
39 Disabled by default on AMD because some BIOS leave bogus ones.
40 If your BIOS doesn't do that it's a good idea to enable though
126 systems because the BIOS will not go through the memory check.
Dmachinecheck31 Note that BIOS maintain another mask to disable specific events
/linux-4.4.14/Documentation/devicetree/bindings/ata/
Dahci-platform.txt35 is not programmed by the BIOS, which is true with
/linux-4.4.14/Documentation/usb/
Dpersist.txt47 firmware (i.e., the BIOS) resets the motherboard's USB host
50 entirely the BIOS's fault, but that doesn't do _you_ any good unless
51 you can convince the BIOS supplier to fix the problem (lots of luck!).
Dpower-management.txt712 NOTE1: since we are relying on the BIOS to get this ACPI
/linux-4.4.14/Documentation/laptops/
Dsony-laptop.txt6 This mini-driver drives the SNC and SPIC device present in the ACPI BIOS of the
88 your ACPI BIOS could have on your laptop), load the driver and
Dsonypi.txt41 driver and the ACPI BIOS, because Sony doesn't agree to release any programming
125 - several users reported that this driver disables the BIOS-managed
Dthinkpad-acpi.txt450 BIOS, it has to be handled either
1351 present and enabled in the BIOS.
/linux-4.4.14/Documentation/devicetree/bindings/regulator/
Dtps65090.txt27 "overcurrent wait" field and we'll leave it to the BIOS/EC to deal with.
/linux-4.4.14/drivers/ata/
Dpata_legacy.c83 BIOS = 0, enumerator
917 return BIOS; in probe_chip_type()
931 return BIOS; in probe_chip_type()
DKconfig56 from the ACPI BIOS and write them to the disk controller.
1004 firmware in the BIOS. This driver can sometimes handle
1011 This option enables support for generic BIOS configured
/linux-4.4.14/Documentation/PCI/
Dpcieaer-howto.txt52 There is a case where a system has AER support in BIOS. Enabling the AER
53 Root driver and having AER support in BIOS may result unpredictable
55 requires ACPI _OSC support in the BIOS to allow the AER Root driver to
Dpci.txt261 o allocate I/O and memory regions of the device (if BIOS did not),
262 o allocate an IRQ (if BIOS did not).
279 it's set to something bogus by the BIOS. pci_clear_master() will
Dpci-error-recovery.txt270 power-on followed by power-on BIOS/system firmware initialization.
/linux-4.4.14/drivers/pci/
DKconfig48 been allocated by the BIOS.
/linux-4.4.14/arch/x86/boot/
Dheader.S81 # invoke the BIOS reset code...
/linux-4.4.14/drivers/acpi/
DKconfig21 the Plug-and-Play BIOS specification (PnP BIOS), the
124 The kernel accesses the EC through ACPI parsed code provided by BIOS
/linux-4.4.14/drivers/i2c/
DKconfig32 Operation Regions allow firmware (BIOS) code to access I2C slave devices,
/linux-4.4.14/drivers/char/tpm/
DKconfig22 2) Without ACPI enabled, the BIOS event log won't be accessible,
/linux-4.4.14/Documentation/virtual/kvm/
Dtimekeeping.txt295 indicated through ACPI tables by the BIOS.
350 The BIOS may attempt to resynchronize the TSCs during the poweron process and
355 unsynchronized TSCs. This may be done by BIOS or system software, but in
364 Either system software, BIOS, or SMM code may actually try to establish the TSC
472 BIOS, but not in such an extreme fashion. However, the fact that SMM mode may
/linux-4.4.14/kernel/power/
DKconfig240 APM is a BIOS specification for saving power using several different
260 APM in your BIOS).
/linux-4.4.14/Documentation/zh_CN/
Dgpio.txt48 芯片。大多数 PC 的南桥有一些拥有 GPIO 能力的引脚 (只有BIOS
/linux-4.4.14/drivers/ide/
DKconfig259 and your BIOS does not already do this for you, then say Y here.
544 multiple cards can be installed and there are BIOS ROM problems that
545 happen if the BIOS revisions of all installed cards (three-max) do
547 at boot-time for max-speed. Ultra33 BIOS 1.25 or newer is required
/linux-4.4.14/Documentation/gpio/
Dgpio.txt38 Most PC southbridges have a few dozen GPIO-capable pins (with only the BIOS
Dgpio-legacy.txt25 Most PC southbridges have a few dozen GPIO-capable pins (with only the BIOS
/linux-4.4.14/drivers/watchdog/
DKconfig711 It`s possible to enable watchdog timer either from BIOS (F2) or from booted Linux.
714 Entering BIOS setup temporary disables watchdog operation regardless to current state,
715 so system will not be restarted while user in BIOS setup.
857 the BIOS is enabled.
871 the BIOS is enabled.
906 When an NMI occurs this feature will make the necessary BIOS calls to
/linux-4.4.14/sound/pci/hda/
DKconfig80 firmware file ("patch") for overriding the BIOS setup at
/linux-4.4.14/block/partitions/
DKconfig119 bool "PC BIOS (MSDOS partition tables) support" if PARTITION_ADVANCED
/linux-4.4.14/drivers/iommu/
DKconfig105 your BIOS for an option to enable it or if you have an IVRS ACPI
/linux-4.4.14/drivers/char/
DKconfig264 however that most NVRAM space in a PC belongs to the BIOS and you
266 for a guide to the use of CMOS bytes by your BIOS.
/linux-4.4.14/Documentation/ia64/
Dmca.txt135 * x86 does not call the BIOS so the NMI handler does not have to worry
/linux-4.4.14/drivers/eisa/
Deisa.ids58 ADP7756 "Adaptec AHA-284x SCSI (BIOS enabled)"
59 ADP7757 "Adaptec AHA-284x SCSI (BIOS disabled)"
579 ICU0050 "Western Digital WD1007A-WA2(WITH BIOS) Hard/Floppy Disk Controller"
580 ICU0051 "Western Digital WD1007A-WA2(WITHOUT BIOS) Hard/Floppy Disk Controller"
/linux-4.4.14/drivers/mtd/
DKconfig266 as the Resident Flash Disk (RFD), as used by the Embedded BIOS
/linux-4.4.14/drivers/thermal/
DKconfig332 underlying BIOS/Firmware.
/linux-4.4.14/Documentation/isdn/
DREADME.sc167 of this problem, change the BIOS settings so that the interrupts in question are
/linux-4.4.14/Documentation/filesystems/
Dvfat.txt175 dos1xfloppy -- If set, use a fallback default BIOS Parameter Block
Dproc.txt1187 Adaptec SCSI BIOS: Enabled
1192 BIOS Control Word: 0x18b6
/linux-4.4.14/arch/ia64/
DKconfig378 This option it useful to enable this feature on older BIOS's as well.
/linux-4.4.14/Documentation/serial/
Dmoxa-smartio123 You may need to adjust IRQ usage in BIOS to avoid from IRQ conflict
/linux-4.4.14/drivers/i2c/busses/
DKconfig183 on the SB700/SP5100, if they have been initialized by the BIOS.
290 BIOS to declare ACPI control methods as described in the SMBus Control
/linux-4.4.14/arch/alpha/
DKconfig715 SRM is something like a BIOS for Alpha machines. There are some
/linux-4.4.14/Documentation/cdrom/
Dide-cd238 the IRQ you're using. Also check the BIOS setup for your system;
/linux-4.4.14/drivers/video/fbdev/
DKconfig46 On the i386, this is from the Video BIOS. Enable this if DDC/I2C
681 BIOS routines contained in a ROM chip in HP PA-RISC based machines.
683 using calls to the STI BIOS routines for initialisation.
/linux-4.4.14/Documentation/spi/
Dspi-summary75 support only SPI.) Some PC hardware uses SPI flash for BIOS code.
/linux-4.4.14/drivers/hwmon/
DKconfig384 tristate "Dell laptop SMM BIOS hwmon driver"
389 Mode provided by Dell BIOS.
/linux-4.4.14/
DCREDITS2187 D: Reboot-through-BIOS for broken 486 motherboards
2323 D: BIOS video mode handling code
/linux-4.4.14/drivers/scsi/
DKconfig1330 configuration program (e.g. isapnp) or by a PnP aware BIOS. If you