3-9
BIOS Setup
HPET Timer
This item allows you to enable/disable HPET (high precision event timer). Setting
to Disabled will turn off the device and remove it from the ACPI namespace.
Options: [Enabled], [Disabled].
ECC
This is a global enable function for all blocks within CPU core and North Bridge.
After loading setup defaults, restart and enter setup to access Dram ECC setup
options. Options: [Enabled], [Disabled].
Dram ECC
If all memory in the system supports ECC, enabling this will initial scrub dram and
enable system requests to dram to be checked and/or corrected. Options:
[Enabled], [Disabled].
DDR333/400 Volt Control
This setting controls the DDR333/400 voltage.
HT Link Frequency
This setting specifies the HT (HyperTransport) link frequency.
ECC Scrub Redirection
Enable Scrubber to correct errors detected in Dram during normal CPU requests
(Foreground scrubbing). Options: [Enabled], [Disabled].
Chip-Kill
This item allows you to enable/disable Chip-Kill ECC on Nodes with all x4 ECC
capable dimms. Options: [Enabled], [Disabled].
DCACHE ECC Scrub CTL
This feature sets the rate of background scrubbing for DCACHE lines.Options:
[Disabled], [40 ns], [80 ns], [160 ns], [320 ns], [640 ns], [1.28 us], [2.56 us].
L2 ECC Scrub CTL
This feature sets the rate of background scrubbing for L2 cache lines.Options:
[Disabled], [40 ns], [80 ns], [160 ns], [320 ns], [640 ns], [1.28 us], [2.56 us].
Dram ECC Scrub CTL
This feature sets the rate of BACKGROUND scrubbing for Dram. (In addition to
normal ECC scrubbing from system requests.) Options: [Disabled], [1.31 ms],
[2.62 ms], [5.24 ms], [10.49 ms], [20.97 ms], [42.0 ms], [84.0 ms].
Note: BACK-
GROUND agent works independently of CPU requests and bus masters,
but cannot be enabled without first enabling DRAM ECC.
Keyboard Configuration
The sub-menu is used to configure keyboard features for optimal system performance.
