Rosch Computer EMB-M2, Руководство пользователя

Страница: 57 / 79

50 EMB-M2 User`s Manual
DRAM Data Integrity Mode
The choice: Non-ECC.
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, Disabled.
Video BIOS Cacheable
Selecting Enabled allows caching of the Video BIOS ROM,
resulting in better system performance. However, if any program
writes to this memory area, a system error may result.
The choice: Enabled, Disabled.
Memory Hole at 15MB - 16MB
In order to improve performance, certain space in memory can be
reserved for ISA cards. This field allows you to reserve 15MB to
16MB memory address space to ISA expansion cards. This makes
memory from 15MB and up unavailable to the system. Expansion
cards can only access memory up to 16MB. The default of this field
is set to
Disabled .
The choice: Enabled, Disabled.
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.