Giantec GT-650, Руководство пользователя

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User’s Manual
GT-650 BIOS Setup 4 - 15
Memory Hole At 15M-16M
You can reserve this area of system memory for ISA adapter ROM. When
this area is reserved, it cannot be cached. The user information of peripherals
that need to use this area of system memory usually discusses their memory
requirements.
The Choice: Enabled, Disabled.
CPU Latency Timer
When enabled this item, the CPU cycle will only be deferred after it has been
held in a “Snoop Stall” for 31 clocks and another ADS# has arrived. When
disabled, the CPU cycle will be deferred immediately after the GMCH receives
another ADS#.
The Choice: Enabled, Disabled.
Delayed Transaction
The chipset has an embedded 32-bit posted write buffer to support delay
transactions cycles. Select
Enabled to support compliance with PCI
specification version 2.1.
The Choice: Enabled, Disabled.
AGP Graphics Aperture Size
This field determines the effective size of the Graphic Aperture used for a
particular GMCH configuration. It can be updated by the GMCH-specific
BIOS configuration sequence before the PCI standard bus enumeration
sequence takes place. If it is not updated then a default value will select an
aperture of maximum size.
The choice: 4, 8, 16, 32, 64, 128, 256
Display Cache Frequency
You can use this item to select the frequency of the display cache.
The Choice: 100MHZ, 133MHZ.
System Memory Frequency
You can use this item to select the operating frequency for the main system
memory.
The Choice: Auto, 100MHZ, 133MHZ.
On-Chip Video Window Size
Select the on-chip video window size for VGA drives use.
The Choice: 32MB, 64MB, Disabled.