NEC Express 5800 120Eg, User Manual

Page: 82 / 292

120Eg User Guide - Configuring Your System
3 - 10
Preproduct Debug Submenu
Memory Remap
Feature
Disabled
Enabled
If enabled, BIOS allows the
remapping of overlapped PCI
memory above the total
physical memory.
Memory Sparing Disabled
Enabled
Enables or disables the spare
memory feature.
Table 3 - 13: Preproduct Debug Submenu
Feature Choices or
Display Only Description Your Setting
PCI Express Jitter
Tolerance
Disabled
Enabled
Enables or disables the PCI
Express jitter tolerance.
PCI Express Jitter
Setting
4, 5, 6 , 7, 8, 9, 10,
11, 12
Selects the jitter setting from 4
to 12. For B0 stepping MCH,
this value should be 4.
PCI_EXP_2 Device
PCI_EXP_3 Device
Auto
Comp 1.0 Mode
For x8 device, 1.0 compliance
mode bit only needs to be set
for the first device.
For x4 device, just one logical
device needs to be set 1.0
compliance mode bit.
Hardware
Prefetcher
Disabled
Enabled
This option should be enabled
in order to enable or disable the
hardware prefetcher disable
feature.
Adjust Cache Line
Prefetcher
Disabled
Enabled
This option should be enabled
in order to enable or disable the
adjacent cache line prefetcher
disable feature.
Table 3 - 12: Memory Configuration Submenu (Continued)
Feature Choices or
Display Only Description Your Setting