Apollo 150 - Manual (Page 129)

User Manual version 2007
APOLLO 120/150 III
7-119
u S YSTEM
BIOS C
ACHEABLE
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 V IDEO
RAM C
ACHEABLE
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 M EMORY
H
OLE 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 or Disabled.
u AGP A PERTURE
S
IZE
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 G RAPHIC
W
INDOW
WR C
OMBIN
Use this item to enable or disable CPU support for WR
Combin.
The choice: Enabled or Disabled.