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VC31 Mainboard Manual
Memory Hole At 15M-16M
When set at Enabled, the memory hole at 15MB address will be relocated
to the 15M-16MB address range of the ISA or PCI cycle when the CPU
accesses the 15M-16MB address area. When set at Disabled, the memory
hole at 15MB address will be treated as a DRAM cycle when the CPU
accesses the 15M-16MB address area. The options are: Disabled, Enabled.
DRAM Data Integrity Mode
The feature allows you to set the DRAM data integrity mode.
The options are: Non-ECC, ECC.
Memory Frequency For
This feature allows users to set the memory frequency.
The options are: PC100, PC133, Auto.
Dram Read Thermal Mgmt
The feature allows users to set the DRAM Read Thermal Management
register which in the chip of Intel 845 for the trade-off between system
temperature and its performance. The options are: 3, 2.
System BIOS Cacheable
Setting at Enabled will allow the caching of the BIOS ROM F0000H-FFFFFH,
resulting in better system performance. It may cause system error when
some programd try to access the memory area.
The options are: Disabled, Enabled.
Video BIOS Cacheable
Setting at Enabled will allow the caching of the video BIOS ROM at C0000H-
C7FFFH, resulting in better video performance. It may cause system error
when some programd try to access the memory area.
The options are: Disabled, Enabled.
Video RAM Cacheable
Setting at Enabled will allow the caching of the video RAM at A0000H-
BFFFFH, resulting in better video performance. It may cause system error
when some programd try to access the memory area.
The options are: Disabled, Enabled.
