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Chapter 8
are attached to these host adaptors to function as bootable disks. If this item is set to
Disabled
, the ROM
BIOS of the host adaptors will not capture Interrupt 19, and the drives attached to these adaptors will not
function as bootable devices.
Power configuration
Power Button Function
: If set to Instant_Off, the system will power off immediately when you press the
power button. If set to 4_Second_Override, the system will power off when you press the power button for four
seconds or longer.
Restore on AC Power Loss
: Use this feature to set the power state after a power outage. Select Power-Off
for the system power to remain off after a power loss. Select Power-On for the system power to be turned on
after a power loss. Select Last State to allow the system to resume its last state before a power loss.
Watch Dog Timer
: If enabled, the Watch Dog Timer will allow the system to reboot when it is inactive for more
than five minutes.
Processor & Clock Options
This submenu displays the status of the processor as detected by the BIOS, including items such as the
processor manufacturer, type, frequency, CPUID, Microcode Revision, Cache L1/L2/L3, Ratio Status, and
Ratio Actual Value. The submenu also allows you to configure the processor and clock settings.
Ratio CMOS Setting
: This option allows you to set the ratio between the CPU core clock and the FSB
frequency.The default setting depends on the type of CPU installed on the motherboard. The default setting for
the CPU installed in your motherboard is [18]. Press "+" or "-" on your keyboard to change this value.
NOTE:
if an invalid ratio is entered, the BIOS will restore the setting to the previous state.
C1E Support
: Select
Enabled
to use the feature of Enhanced Halt State. C1E significantly reduces the CPU's
power consumption by reducing the CPU's clock cycle and voltage during a Halt State.
IMPORTANT:
The following feature is only available if supported by the processor and/or operating system.
Hardware Prefetcher
: If set to
Enabled
, the hardware prefetcher will prefetch streams of data and
instructions from the main memory to the L2 cache in the forward or backward manner to improve CPU
performance.
IMPORTANT:
The following feature is only available if supported by the processor and/or operating system.
Adjacent Cache Line Prefetch
: The CPU fetches the cache line for 64 bytes if this option is set to
Disabled
.
The CPU fetches both cache lines for 128 bytes as comprised if
Enabled
.
MPS and ACPI MADT Ordering:
Allows you to configure the MPS (Multi-Processor Specifi cations) and ACPI
settings for your motherboard. Select
Modern Ordering
if Windows XP or newer is used. Select Legacy
Ordering if Windows 2000 or earlier is used.
IMPORTANT:
The following feature is only available if supported by the processor and/or operating system.
Содержание AB2x280 F1
Страница 1: ...AB7000 Series Service Guide PART NO PRINTED IN TAIWAN ...
Страница 8: ...viii Table of Contents ...
Страница 24: ...16 Chapter 3 ...
Страница 32: ...24 Chapter 4 System block diagram AB460 F1 mainboard block diagram ...
Страница 33: ...Chapter 4 25 AB2x280 F1 mainboard block diagram ...
Страница 34: ...26 Chapter 4 ...
Страница 48: ...40 Chapter 6 AB460 F1 DIMM Numbering ...
Страница 62: ...54 Chapter 6 8 The enclosure is now securely installed in the rack ...
Страница 94: ...86 Chapter 9 ...