Asus CUBX User Manual page 59

4. BIOS SETUP
DRAM Idle Timer [10T]
This controls the amount of time in HCLKs that the DRAM controller waits
to close a DRAM page after the CPU becomes idle. Leave on default set-
ting. NOTE: To make changes to this field, the SDRAM Configuration
field must be set to [User Define].
SDRAM MA Wait State [Normal]
This controls the leadoff clocks for CPU read cycles. Leave on default set-
ting. Configuration options: [Fast] [Normal] [Slow]
Snoop Ahead [Enabled]
[Enabled] allows PCI streaming. Configuration options: [Enabled] [Disabled]
Host Bus Fast Data Ready [Disabled]
Configuration options: [Disabled] [Enabled]
16-bit I/O Recovery Time [1 BUSCLK]
Configuration options: [4 BUSCLK] [1 BUSCLK] [2 BUSCLK] [3 BUSCLK]
8-bit I/O Recovery Time [1 BUSCLK]
Configuration options: [8 BUSCLK] [1 BUSCLK] [2 BUSCLK] [3 BUSCLK]
[4 BUSCLK] [5 BUSCLK] [6 BUSCLK] [7 BUSCLK]
Graphics Aperture Size [64MB]
This feature allows you to select the size of mapped memory for AGP graphic data.
Configuration options: [4MB] [8MB] [16MB] [32MB] [64MB] [128MB] [256MB]
Video Memory Cache Mode [UC]
USWC (uncacheable, speculative write combining) is a cache technology
for the video memory of the processor. It can greatly improve the display
speed by caching the display data. You must set this to UC (uncacheable) if
your display card cannot support this feature; otherwise your system may
not boot. Configuration options: [UC] [USWC]
PCI 2.1 Support [Enabled]
This function allows you to enable or disable PCI 2.1 features including passive
release and delayed transaction. Configuration options: [Disabled] [Enabled]
Memory Hole At 15M-16M [Disabled]
This field allows you to reserve an address space for ISA expansion cards
that require it. Configuration options: [Disabled] [Enabled]
Onboard PCI IDE Enable [Both]
You can select to enable the primary IDE channel, secondary IDE channel,
both, or disable both channels. Configuration options: [Both] [Primary] [Sec-
ondary] [Disabled]
Onboard PCI ATA 66 Chip Enable [Enabled]
This allows you to enable or disable the onboard PCI ATA/66 IDE Control-
ler. Configuration options: [Enabled] [Disabled]
ASUS CUBX User's Manual 59