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SDRAM Speculative Read
The settings are enable or disable. If you only use One Bank for
SDRAM and there's no EDO or FP mix together, the setting is Enable. If two
banks are used by SDRAM, it will automatically be set to disable. The
default setting is enable.
System BIOS Cacheable
By choosing Disabled (default) the system BIOS will be shadowed
into DRAM only. Enabled will have the system BIOS shadowed and
cacheable.
Video RAM Cacheable
Same as system BIOS Cacheable
8-bit I/O recovery time: 1/2/3/4/5/6/7/NA
16-bit I/O recovery time: 1/2/3/NA
Choose the recovery time for 8-bit and 16-bit I/O cycles
respectively.
Note:
NA is not available and so the recovery time of 3.5 SYSCLK will be
inserted.
Memory Hole At 15M-16M
Choosing Enabled will enable a memory hole in the DRAM space.
The CPU cycle matching the enabled hole will be passed on to the PCI. PCI
cycles matching an enabled hole are ignored. Disabled (default) will disable
this function.
Note:
A selected (Enabled) hole is not remapped.
PCI 2.1 Compliance
The Settings are Enable or Disable. During Enable, those PCI add-
on cards with PCI 2.1 compliance will perform better. But some PCI card
does not meet PCI 2.1 compliance, so the default setting is Disabled.
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