Apollo 120 Manual do Utilizador descarregar pdf (Página 118)

User Manual version 2305

APOLLO 120/150 IV

7-108

u TURBO MODE

u MEMORY FREQUENCY FOR

u SYSTEM BIOS CACHEABLE:

Selecting Enabled allows caching of the system BIOS ROM at

F0000h-FFFFFh, resulting in better system performance.

However, if any program writes to this memory area, a

system error may result.

The choice: Enabled or Disabled.

u VIDEO BIOS CACHEABLE

Select Enabled allows caching of the Video RAM, resulting in

better system performance. However, if any program writes

to this memory area, a system error may result.

The choice: Enabled or Disabled.

u 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.

u DELAYED TRANSACTION

u DELAY PRIOR TO THERMAL

u AGP APERTURE SIZE (MB)

Select the size of Accelerated Graphics Port (AGP) aperture.

The aperture is a portion of the PCI memory address range

dedicated for graphics memory address space. Host cycles

that hit the aperture range are forwarded to the AGP without

any translation.

The Choice: 4M, 8M, 16M, 32M, 64M, 128M, 256M.

u ON-CHIP VGA

u ON-CHIP FRAME BUFFER SIZE

u BOOT DISPLAY

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