Configuration Chip

SETUP BIOS .4

4. BIOS SETUP

AGP Fast Write [Disabled]

Configuration options: [Enabled] [Disabled]

AGP Compensation [Bypass]

Configuration options: [Bypass] [Auto]

AGP Signal Driving [Auto]

Configuration options: [Auto] [Manual]

Graphics Aperture Size [32MB]

This feature allows you to select the size of mapped memory for AGP graphic data. Configuration options: [32MB] [64MB] [128MB] [256MB] [512MB]

Video Memory Cache Mode [UC]

USWC (uncacheable, speculative write combining) is a new 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]

Software DDR PDL Delay [Auto]

Configuration options: [Auto] [Manual]

Delayed Transaction [Disabled]

Leave on default setting. [Enabled] frees the PCI Bus when the CPU is accessing 8-bit ISA devices that normally consume about 50-60 PCI Clocks without PCI delayed transaction. Select [Disabled] for ISA devices that are not PCI 2.1 compliant. Configuration options: [Disabled] [Enabled]

PCI to DRAM Prefetch [Disabled]

Configuration options: [Disabled] [Enabled]

AGP to DRAM Prefetch [Enabled]

Configuration options: [Disabled] [Enabled]

S2K Slew Rate Control [3]

Configuration options: [0, 1, 2, 3, 4, 5, 6, 7]

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] [Secondary] [Disabled]

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ASUS A7M266-D User’s Manual