Intel AC450NX Product Manual page 51

AC450NX Rack Server System Product Guide
Advanced Menu (continued)
Feature
Base RAM Step
Extended RAM Step
L2 Cache
ISA Expansion
Aliasing
Memory Scrubbing
Restreaming Buffer
Read Prefetch for
PXB0A
Read Prefetch for
PXB0B
Read Prefetch for
PXB1A
Multiboot Support
Special VGA Devnode
50
Option Description
1 MB Tests base memory once per MB or once per KB or
1 KB
every location.
Every location
1 MB Tests extended memory once per MB or once per KB or
1 KB every location.
Every location
Disabled Enabled causes the secondary cache to be sized and
Enabled enabled. Disabled causes the L2 cache to be disabled
for core clock frequency bus ratios equal to 2.
Disabled Enabled causes every I/O access with an address in the
Enabled range of x100h-x3FFh, x500h-x7FFh, x900h-xBFFh, and
xD00h-xFFFh to be internally aliased to the range 0100h-
03FFh before performing any other address range
checking.
Disabled Enabled lets the BIOS automatically detect and correct
Enabled
single-bit memory errors.
Disabled When enabled, the data returned and buffered for a
Enabled
delayed inbound read may be reaccessed following a
disconnect.
16 Configures the number of "Dwords" that will be
32 prefetched on memory read multiple commands.
64
16 Configures the number of "Dwords" that will be
32 prefetched on memory read multiple commands.
64
16 Configures the number of "Dwords" that will be
32 prefetched on memory read multiple commands.
64
Disabled Only enable when the total number of bootable devices is
Enabled
less than eight.
Disabled Enable this node only when nonPCI compliant VGA
Enabled
cards need to be debugged. Enabling will impact I/O
resources for a large configuration.