TYAN S4992, Manual

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4.11.1 Northbridge Configuration Sub-Menu
This menu gives options for customizing memory & Hypertransport
settings. Select a menu by highlighting it using the Arrow ( Ç / È ) keys
and pressing Enter. The settings are described on the following
pages.
BIOS Setup Utility
Main Advanced PCI/PnP Boot Security Chipset Exit
NorthBridge Chipset Configuration
Memory Configuration
ECC Configuration
DRAM Timing Configuration
IOMMU Option Menu
Alternate VID [Auto]
Memory Timing Parameters [CPU Node 0]
Memory CLK
CAS latency (Tcl)
RAS/CAS Delay (Trcd)
Row Precharge Time (Trp)
Min Active RAS (Tras)
RAS/RAS Delay (Trrd)
Row Cycle (Trc)
Write Recover Time(Twr) :XXX MHz
:XX
:X CLK
:X CLK
:X CLK
:X CLK
:XX CLK
:X CLK
← →
Select Screen
↑↓
Select Item
Enter Go to Sub Screen
F1 General Help
F10 Save and Exit
ESC Exit
Feature Option Description
NorthBridge Chipset Configuration
Auto
0.850V
1.050V
1.025V
1.000V
0.975V
0.950V
0.925V
0.900V
0.875V
0.825V
Alternate VID
0.800V
Specify the alternate VID while in
low power status.
Memory Timing
Parameters
CPU Node 0
Select which node’s timing
parameters to display .
Memory CLK Read only
It shows the clock frequency of the
installed SDRAM.
CAS Latency (Tcl) Read only
This controls the timing delay (in
clock cycles) before SDRAM starts
a read command after receiving it.