IV. BIOS SOFTWARE

Chipset Features Setup

This “Chipset Features Setup” option controls the configuration of the board’s chipset. Control keys for this screen are the same as for the previous screen.

Auto Configuration

The default setting of 60ns DRAM sets the optimal timings for items 2 through 9 for 60ns DRAM modules. If you are using 70ns DRAM modules, you must change this item to 70ns DRAM. See Section III (Installation) of the baseboard user’s manual for DRAM installation information.

Peer Concurrency (Leave on default setting of Enabled)PCI Streaming (Leave on default setting of Enabled)Passive Release (Leave on default setting of Enabled)Chipset Global Features (Leave on default setting of Enabled)16-bit I/O Recovery TimeTiming for 16-bit ISA cards (Leave on default setting of 1 BUSCLK)8-bit I/O Recovery TimeTiming for 8-bit ISA cards (Leave on default setting of 1 BUSCLK)Video BIOS Cacheable

Allows the Video BIOS to be cached to allow faster execution. (Leave on default setting of Enabled)

Memory Hole At 15M-16M

Enabling this features reserves 15MB to 16MB memory address space to ISA expansion cards that specifically require this setting. This makes the memory from 15MB and up unavailable to the system. Expansion cards can only access memory up to 16MB. The default is Disabled.

IV. BIOS (Chipset Features)

ASUS C-P55T2D User’s Manual

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