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Using BIOS
Press <Esc> to return to the Advanced Chipset Features page.
Min RAS# active time (Tras) (Auto)
This item specifies the minumum RAS# active time.
Row Precharge Time (Trp) (Auto)
This item specifies the Row precharge to Active or Auto-Refresh of the same bank.
CPU OverClock in MHz (200)
This item lets you select the CPU clock, the range is from 200MHz to 250MHz.
AGP OverCLock in MHz (66)
This item lets you select the AGP clock, the range is from 66MHz to 100MHz.
AGP Aperture Size(128MB)
This setting controls just how much system RAM can be allocated to AGP for video
purposes. The aperture is a portion of the PCI memory address range dedicated to graphics
memory address space. Host cycles that hit the aperture range are forwarded to the AGP
without any translation.
• AGP 3.0 Speed: This item lets you automatically and manually set AGP Speed.
AGP 2.0 Speed (Auto)
This item lets you automatically and manually set AGP speed, the choices are Auto, 1x,
1x2x, and 1x2x4x.
AGP Fast Write (Disabled)
This item lets you enable or disable the caching of display data for the video memory of the
processor. Enabling this item can greatly improve the display speed. Disable this item if
your graphics display card does not support this feature.
AGP Sideband Address (Auto)
This item lets you Auto-enable or disable the Sideband Address.
Clock Spread Spectrum (Enabled)
If you enable spread spectrum, it can significantly reduce the EMI (Electro-Magnetic
Interference) generated by the system.
HT Frequency (4X)
This item enables users to manually set up the HyperTransport frequency, ranging from 1x,
2x, 3x, 4x and 5x.
Special I/O for PCI Card (Disabled)
This item lets you enable or disable special I/O for PCI card.
• Base I/O Address: If Special I/O is enabled, use this item to set the Base I/O
address between 0000 to FFFF
• I/O Length: If Special I/O is enabled, use this item to set the I/O length; the
choices are 1 byte, 4 bytes, 8 bytes, 16 bytes, 32 bytes, 64 bytes, 128 bytes
and 256 bytes.
System BIOS Cacheable (Disabled)
This item enabels users to enable or disable the system BIOS cache.
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