SBC82621 Socket370 Half-size All-in-One CPU Card User’s Manual
AGP Aperture Size
The field sets aperture size of the graphics. 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 options available are 4M, 8M, 16M, 32M,
64M, 128M and 256M.
OnChip USB
This should be enabled if your system has a USB installed
on the system board and you wish to use it. Even when so
equipped, if you add a higher performance controller, you
will need to disable this feature. The available choices are
Enabled and Disabled.
USB Keyboard Support
Select
Enabled
if your system contains a Universal Serial
Bus (USB) controller and you have a USB keyboard. The
options available are Enabled, Disabled.
CPU to PCI Write Buffer
When this field is
Enabled,
writes from the CPU to the PCI
bus are buffered, to compensate for the speed differences
between the CPU and the PCI bus. When
Disabled
, the
writes are not buffered and the CPU must wait until the
write is complete before starting another write cycle.
PCI Dynamic Bursting
This item allows you to enable/ disable the PCI dynamic
bursting function.
PCI Master 0 WS Write
When
Enabled,
writes to the PCI bus are executed with
zero wait states.
PCI Delay Transaction
The chipset has an embedded 32-bit posted write buffer to
support delay transactions cycles. Select
Enabled
to
support compliance with PCI specification version 2.1. The
default setting is
Disabled
.
Award BIOS Utility
41
