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@@ -151,15 +151,16 @@ and is between 256 and 4096 characters. It is defined in the file
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acpi_sleep= [HW,ACPI] Sleep options
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acpi_sleep= [HW,ACPI] Sleep options
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Format: { s3_bios, s3_mode, s3_beep, s4_nohwsig,
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Format: { s3_bios, s3_mode, s3_beep, s4_nohwsig,
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old_ordering, s4_nonvs }
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old_ordering, s4_nonvs }
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- See Documentation/power/video.txt for s3_bios and s3_mode.
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+ See Documentation/power/video.txt for information on
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+ s3_bios and s3_mode.
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s3_beep is for debugging; it makes the PC's speaker beep
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s3_beep is for debugging; it makes the PC's speaker beep
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as soon as the kernel's real-mode entry point is called.
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as soon as the kernel's real-mode entry point is called.
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s4_nohwsig prevents ACPI hardware signature from being
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s4_nohwsig prevents ACPI hardware signature from being
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used during resume from hibernation.
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used during resume from hibernation.
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old_ordering causes the ACPI 1.0 ordering of the _PTS
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old_ordering causes the ACPI 1.0 ordering of the _PTS
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- control method, wrt putting devices into low power
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- states, to be enforced (the ACPI 2.0 ordering of _PTS is
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- used by default).
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+ control method, with respect to putting devices into
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+ low power states, to be enforced (the ACPI 2.0 ordering
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+ of _PTS is used by default).
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s4_nonvs prevents the kernel from saving/restoring the
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s4_nonvs prevents the kernel from saving/restoring the
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ACPI NVS memory during hibernation.
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ACPI NVS memory during hibernation.
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@@ -196,7 +197,7 @@ and is between 256 and 4096 characters. It is defined in the file
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acpi_skip_timer_override [HW,ACPI]
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acpi_skip_timer_override [HW,ACPI]
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Recognize and ignore IRQ0/pin2 Interrupt Override.
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Recognize and ignore IRQ0/pin2 Interrupt Override.
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For broken nForce2 BIOS resulting in XT-PIC timer.
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For broken nForce2 BIOS resulting in XT-PIC timer.
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- acpi_use_timer_override [HW,ACPI}
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+ acpi_use_timer_override [HW,ACPI]
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Use timer override. For some broken Nvidia NF5 boards
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Use timer override. For some broken Nvidia NF5 boards
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that require a timer override, but don't have
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that require a timer override, but don't have
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HPET
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HPET
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@@ -860,17 +861,19 @@ and is between 256 and 4096 characters. It is defined in the file
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See Documentation/ide/ide.txt.
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See Documentation/ide/ide.txt.
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idle= [X86]
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idle= [X86]
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- Format: idle=poll or idle=mwait, idle=halt, idle=nomwait
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- Poll forces a polling idle loop that can slightly improves the performance
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- of waking up a idle CPU, but will use a lot of power and make the system
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- run hot. Not recommended.
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- idle=mwait. On systems which support MONITOR/MWAIT but the kernel chose
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- to not use it because it doesn't save as much power as a normal idle
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- loop use the MONITOR/MWAIT idle loop anyways. Performance should be the same
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- as idle=poll.
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- idle=halt. Halt is forced to be used for CPU idle.
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+ Format: idle=poll, idle=mwait, idle=halt, idle=nomwait
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+ Poll forces a polling idle loop that can slightly
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+ improve the performance of waking up a idle CPU, but
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+ will use a lot of power and make the system run hot.
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+ Not recommended.
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+ idle=mwait: On systems which support MONITOR/MWAIT but
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+ the kernel chose to not use it because it doesn't save
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+ as much power as a normal idle loop, use the
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+ MONITOR/MWAIT idle loop anyways. Performance should be
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+ the same as idle=poll.
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+ idle=halt: Halt is forced to be used for CPU idle.
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In such case C2/C3 won't be used again.
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In such case C2/C3 won't be used again.
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- idle=nomwait. Disable mwait for CPU C-states
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+ idle=nomwait: Disable mwait for CPU C-states
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ide-pci-generic.all-generic-ide [HW] (E)IDE subsystem
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ide-pci-generic.all-generic-ide [HW] (E)IDE subsystem
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Claim all unknown PCI IDE storage controllers.
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Claim all unknown PCI IDE storage controllers.
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@@ -1052,8 +1055,8 @@ and is between 256 and 4096 characters. It is defined in the file
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lapic [X86-32,APIC] Enable the local APIC even if BIOS
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lapic [X86-32,APIC] Enable the local APIC even if BIOS
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disabled it.
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disabled it.
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- lapic_timer_c2_ok [X86-32,x86-64,APIC] trust the local apic timer in
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- C2 power state.
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+ lapic_timer_c2_ok [X86-32,x86-64,APIC] trust the local apic timer
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+ in C2 power state.
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libata.dma= [LIBATA] DMA control
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libata.dma= [LIBATA] DMA control
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libata.dma=0 Disable all PATA and SATA DMA
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libata.dma=0 Disable all PATA and SATA DMA
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@@ -2241,7 +2244,8 @@ and is between 256 and 4096 characters. It is defined in the file
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thermal.psv= [HW,ACPI]
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thermal.psv= [HW,ACPI]
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-1: disable all passive trip points
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-1: disable all passive trip points
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- <degrees C>: override all passive trip points to this value
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+ <degrees C>: override all passive trip points to this
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+ value
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thermal.tzp= [HW,ACPI]
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thermal.tzp= [HW,ACPI]
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Specify global default ACPI thermal zone polling rate
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Specify global default ACPI thermal zone polling rate
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