Advanced Chipset Features - JETWAY 945PLDAS User Manual

System
Setup (default) The system will boot, but access to Setup will be denied if the correct
APIC MODE
This field is used to enable or disable the APIC(Advanced Programmable Interrupt
Controller). Due to compliance with PC2004 design guide, the system is able to run in
APIC mode. Enabling APIC mode will expand available IRQ resources for the system.
Settings:[Enabled] and [disabled].
MPS Version Control For OS
This field allows you to select which MPS(Multi-Processor Specification) version to be used
for the operating system. You need to select the MPS version supported by your operating
system. To find out which version to use, Consult the vendor of your operating system.
Settings:[1.4],[1.1] .
OS Select For DRAM > 64MB
Allows OS2 ® to be used with >64MB or DRAM. Settings are Non-OS/2 (default) and OS2.
Set to OS/2 if using more than 64MB and running OS/2.

3-6 Advanced Chipset Features

The Advanced Chipset Features Setup option is used to change the values of the chipset
registers. These registers control most of the system options in the computer.
DRAM Timing Selectable
SDRAM CAS Latency Time
SDRAM Cycle Time
SDRAM RAS-to CAS Delay
SDRAM RAS Precharge Time
System BIOS Cacheable
Video BIOS Cacheable
Memory Hole at 15M-16M
> PCIExpress Root Port Function Press Enter
Force PEG to X1
↑ ↓ → ←
Move Enter:Select +/-/PU/PD:Value F10:Save ESC:Exit
F5:Previous Values
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: 4T and 3T.
The system will not boot and access to Setup will be denied if the
correct password is not entered at the prompt.
password is not entered prompt.
Phoenix – AwardBIOS CMOS Setup Utility
Advanced Chipset Features
By SPD
Auto
Auto
Auto
Auto
Disabled
Disabled
Disabled
Disabled
F6:Optimized Defaults
Menu Level >
F7:Standard Defaults
34
Item Help
F1:General Help