Chapter 4: BIOS
4-13
BIOS
be used to slow the computer system down or to troubleshoot error mes-
sages. Write-Thru: This option allows the computer system to use the
internal CPU L1 cache as Write-Though cache. Write-Through cache is
slower than Write-Back cache. It performs write operations to the internal
L1 CPU cache and system memory simultaneously.Write-Back
T h i s
option allows the computer system to use the internal CPU L1 cache as
Write-Back cache. Write-Back cache is faster than Write-Through cache.
Write-Back cache is a caching method in which modifications to data in the
cache aren’t copied to the cache source until absolutely necessary. Write-
back caching is available on all CPUs supported by this BIOS. With these
CPUs, write operations stored in the L1 cache aren’t copied to main memory
until absolutely necessary. This is the default setting.
External Cache
This option is for enabling or disabling the internal CPU L2 cache. Settings
include Disabled, Write-Thru and Write-Back. See description above.
Event Log Configuration
Event Logging
This option Enables or Disables the logging of events. You can use this
screen to select options for the Event Log Configuration Settings. You can
access sub screens to view the event log and mark all events as read. Use
the up and down arrow keys to select an item, and the plus (+) and minus
(-) keys to change the option setting. The settings are described on the
following pages. The screen is shown below.
ECC Event Logging
This option Enables or Disables the logging of ECC events. The events
logged by AMIBIOS are post errors such as a bad BIOS, floppy errors, or
hard drive errors.
Clear All Event Logs
This option can be used to tell the system to clear the event log on the next
boot up. The settings are No and Yes.
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