Iameco ecoXPc Installation Manual - page 21
- 21 -
Advanced BIOS Chipset Features
This section allows you to configure the system based on the specific features of the installed chipset. This
chipset manages bus speeds and access to system memory resources, such as DRAM and the external
efault settings have been chosen because they provide the best operating conditions for your
ste . If you discovered that data was being lost while using your system, you might consider making
ble the performance mode. The Choice: Enabled, or
Press <Enter> to enter the sub-menu of detailed options.
are forwarded to the AGP without any translation. The Choice: 32M, 64M, 128M,
M at F0000h-FFFFFh,
cache. It also coordinates communications between the conventional ISA bus and the PCI bus. It states
that these items should never need to be altered.
The d
m
sy
any changes.
DRAM Clock/Timing Control: Press <Enter> to enter the sub-menu of detailed options.
Performance Mode: This item allows you to enable/disa
Disabled.
DRAM Timing Control: This item allows you to select the value in this field, depending on whether the
board using which kind of DDR DRAM. The Choice: By SPD or Manual.
DRAM CAS Latency: The Choice: 2T, 2.5T or 3T.
RAS Active Time(tRAS): The Choice: 4T, 5T, 6T, 7T, 8T or 9T.
The Choice: 2T, 3T, 4T or 5T.
RAS Precharge Time(tRP):
RAS to CAS Delay(tRCD): The Choice: 2T, 3T, 4T or 5T.
PG & P2P Bridge Control:
A
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 to graphics memory address space. Host cycles that
it the aperture range
h
256M or 512M.
Graphic Window WR Combine: This item enable/disable the write combine function for Graphic address
pace. The Choice: Enabled or Disabled.
s
AGP Fast Write Support: This item enable/disable the AGP fast write support. The Choice: Enabled or
isabled.
D
AGP Data Rate:
This item allows the user to adjust AGP data rate. The Choice: Auto, 1X, 2X, 4X, 8X.
OnChip AGP Control: Press <Enter> to enter the sub-menu of detailed options.
VGA Share Memory Size: This item allows the user to adjust VGA share memory size. The Choice: 16MB,
32MB, or 64MB.
ystem BIOS Cacheable: Selecting Enabled allows caching for the system BIOS RO
S
resulting in better system performance. However, if any program is written to this memory area, a system
error may result. The Choice: Enabled or Disabled.
Video RAM Cacheable: Selecting Enabled allows caching of the video RAM, resulting in better system
performance. However, if any program is written to this memory area, a system error may result. The
Choice: Enabled or Disabled.
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 or Disabled.