IV. BIOS SOFTWARE

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 leave this on the default setting of UC (uncacheable) if your display card cannot support this feature, otherwise your display may not show properly.

PCI 2.1 Support (Enabled)

This function allows you to enable or disable PCI 2.1 features. Leave on the default

Enabled setting for PCI 2.1 compliancy.Memory Hole At 15M–16M (Disabled)

Enabling this feature 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.

DRAM are xx bits wide

If all your memory modules have ECC chips (e.g., 8 chips + 4 ECC chips), they are i s n o c

J % † H M ‘ / Adobe Photoshop Version 4.0 3-BIOS.eps -9 / 0 2 /32bits and the following will be displayed instead:Data Integrity Mode (Non-ECC)

Non-ECChas byte-wise write capability but no provision for protecting data integ-

rity in the DRAM array. EC-Onlydata errors are de åˇˇ

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ASUS P2L97-DS User’s Manual

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