Creative BLASTER PC M004, Руководство пользователя, Страница: 57 / 70

6-14 Memory Configuration and BIOS Settings
AGP Aperture Size
(MB)
Specifies the maximum amount, in MB, of
system memory an AGP display card can use to
store 3D texture mapping data. The larger the
aperture, the better the performance of the card’s
3D function. The settings range from 4 MB to
256 MB.
Auto Detect PCI
Clock
When this item is enabled, the system
automatically detects and closes clock signals to
empty DIMM/PCI slots to reduce EMI.
Spread Spectrum
Modulated
When this item is enabled, EMI is reduced.
CPU Host Clock
When the JP37 jumper is set to the Auto mode,
you can set the CPU clock speed using this item.
Otherwise, this item cannot be used. For 66
MHz- based processors, the options are 50 MHz,
66 MHz, 75 MHz, and 83 MHz. For 100
MHz-based processors, the options are 100 MHz,
103 MHz, and 112 MHz. For details, see “To
configure the CPU external clock (system
frequency)” on page 5-4.
CPU Clock Ratio
When the JP37 jumper is set to the Auto mode,
you can set the CPU clock ratio using this item.
Otherwise, this item cannot be used. The setting
can be between 2 to 5. For details, see “To
configure the CPU bus clock multiplier” on page
5-3..
CPU Speed
The system calculates and displays the CPU
Speed based on the CPU clock speed and CPU
clock ratio specified above.
Table 6-6: The Chipset Features Setup Screen items.
Item Description