Dram Timing Settings; Integrated Peripherals - JETWAY P4845GLS User Manual

3-6-1 DRAM Timing Settings

CMOS Setup Utility – Copyright(C) 1984-2002 Award Software
Auto Configuration
SDRAM CAS Latency Time
SDRAM Cycle Time
SDRAM RAS# to CAS# Delay
SDRAM RAS# Precharge Time
↑↓→← Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit
F5:Previous Values
SDRAM CAS Latency Time
When synchronous DRAM is installed, the number of clock cycles of CAS latency depends
on the DRAM timing. The settings are: 2T and 2.5T.
Note: Change these settings only if you are familiar with the chipset.
SDRAM RAS# to CAS# Delay
This field let's you insert a timing delay between the CAS and RAS strobe signals, used when
DRAM is written to, read from, or refreshed. Fast gives faster performance; and Slow gives
more stable performance. This field applies only when synchronous DRAM is installed in the
system. The settings are: 2T, 3T and 4T.
SDRAM RAS# Precharge Time
If an insufficient number of cycles is allowed for the RAS to accumulate its charge before
DRAM refresh, the refresh may be incomplete and the DRAM may fail to retain date. Fast
gives faster performance; and Slow gives more stable performance. This field applies only
when synchronous DRAM is installed in the system. The settings are: 2T, 3T and 4T.

3-7 Integrated Peripherals

CMOS Setup Utility – Copyright(C) 1984-2002 Award Software
> Onboard IDE Function
> Onboard Device Function
> Onboard Super IO Function
Init Display First
Power On Function
KB Power On Password
Hot Key Power On
Power Loss Function
↑↓→← Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit
F5:Previous Values
Onboard IDE Function
Please refer to section 3-7-1
Onboard Device Function
Please refer to section 3-7-2
DRAM Timing Settings
Standard
2.5
7
3
3
F6:Optimized Defaults
Integrated Peripherals
Press Enter
Press Enter
Press Enter
PCI Slot
Button Only
Enter
Ctrl-F1
Always Off
F6:Optimized Defaults
26
Item Help
Menu Level >>
F1:General Help
F7:Standard Defaults
Item Help
Menu Level >
F1:General Help
F7:Standard Defaults