Computer Hardware User Manual

25
Award BIOS SETUP 3-6
Disabled: Video shadow is disabled.
• C8000 - CBFFF Shadow :
CC000 - CFFFF Shadow:
D0000 - D3FFF Shadow:
D4000 - D7FFF Shadow:
D8000 - DBFFF Shadow:
DC000 - DFFFF Shadow:
These categories determine whether optional ROM will be copied to RAM by
16K byte or 32K byte per unit and the size depends on chipset.
Enabled: Optional shadow is enabled.
Disabled: Optional shadow is disabled.
3-3 CHIPSET FEATURES SETUP
Choose the "CHIPSET FEATURES SETUP" in the CMOS
SETUP UTILITY menu to display following menu.
Figure 3-4 CHIPSET FEATURES SETUP
ROM PCI/ISA BIOS
CHIPSET FEATURES SETUP
AWARD SOFTWARE, INC.
Esc : Quit : Select Item
F1 : Help PU/PD/+/- : Modify
F5 : Old Values (Shift)F2 : Color
F7 : Load Setup Defaults
Auto Configuration : Enabled 8 Bit I/O Recovery Time : 1
16 Bit I/O Recovery Time : 1
DRAM Speed Selection : 60ns Memory Hole AT 15M-16M : Disabled
DRAM RAS# Precharge Time : 4 DRAM Fast Leadoff : Disabled
MA Additional Wait state : Disabled Passive Release : Enabled
RAS# To Cas# Delay : Disabled Delayed Transaction : Disabled
DRAM Read Burst (B/E/F) : 2/2/3
DRAM Write Burst (B/E/F) : 2/2/3
ISA Bus Clock : PCICLK/4
DRAM Refresh Queue : Enabled
DRAM RAS Only Refresh : Disabled
DRAM ECC/PARITY Select : Disabled
Fast Dram Refresh : Disabled
Read-Around-Write : Enabled
PCI Burst Write Combine : Enabled
PCI-To-DRAM Pipeline : Enabled
CPU-To-PCI Write Post : Enabled
CPU-To-PCI IDE Posting : Enabled
System BIOS Cacheable : Disabled
Video RAM Cacheable : Disabled
• Auto Configuration: Selects predetermined optimal values of chipset
parameters. When Disabled, chipset parameters revert to setup information
stored in CMOS. Many fields in this screen are not available when Auto
Configuration is Enabled.
Note: When you insert slower memory modules in the system and set a faster
timing, maybe the system will hang up.