SOLTEK 85DR2-DC Manual page 64

Turbo Mode This item will show up when 133MHz CPU is on
SDRAM Frequency Allows you to set the SDRAM frequency.
Configure SDRAM
Timing by SPD
SDRAM CAS# Latency With SDRAM Timing by SPD disabled, you can se-
SDRAM RAS#
Precharge
SDRAM RAS# to
CAS# Delay
SDRAM Precharge
Delay
SDRAM Idle Timer Allows you to set the SDRAM Idle Timer.
board. It allows you to enable/disable the Turbo
mode function for raising the performance of DDR
400 on board. When enabled, the "Configure
SDRAM Timing by SPD" option will be hidden.
Choices: Enabled; Disabled
Choices for 100MHz CPU: Auto; 200MHz; 266MHz
Choices for 133MHz CPU: Auto; 266MHz; 333MHz
Default: Auto
SPD (Serial presence detect) is a device in memory
module for storing the module information such as
DRAM timing and chip parameters. If this option is
enabled, BIOS will access SPD automatically to
configure module timing. If disabled, DRAM timing
can be configured manually.
Default: Enabled
lect the SDRAM CAS# (Column Address Strode)la-
tency manually.
Choices: 2 Clocks; 2.5 Clocks
With SDRAM Timing by SPD disabled, you can se-
lect the SDRAM RAS# (Row Address Strode)
Precharge cycle manually.
Choices: 2 Clocks; 3 Clocks
With SDRAM Timing by SPD disabled, you can se-
lect the SDRAM RAS# to CAS# delay cycle
manually.
Choices: 2 Clocks; 3 Clocks
Allows you to set the SDRAM Precharge Delay
cycle.
Choices: 5 clocks; 6 clocks; 7 clocks
Choices: Infinite(default); 0 Clock; 8 Clocks; 16
clocks; 64 Clocks
67
Chapter 4 BIOS Setup