Abit SD7-53, User Manual

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Chapter 3
SD7-533 Motherboard
3-22
"
USB Keyboard Support:
Two options are available: OS
)
BIOS. The default setting is OS . If your operating system supports a
USB keyboard, please set it to OS . Only in some situations, such as in a pure DOS environment that
does not support a USB keyboard, should you set it in BIOS.
IDE HDD Block Mode:
Two options are available: Disabled or Enabled. The default setting is Enabled . Block mode is also called
block transfer, multiple commands, or multiple sector read/write. If your IDE hard drive supports block
mode (most new drives do), select Enabled for automatic detection of the optimal number of block
read/writes per sector the drive can support.
Onboard Sound Controller:
Two options are available: Disabled or Enabled. The default setting is Enabled . This item will allows you
to enable or disable the onboard sound controller.
Init Display First:
Two options are available: PCI Slot or AGP. The default setting is PCI Slot. When you install more than
one display card, you can choose either a PCI display card (PCI Slot) or an AGP display card (AGP) to
display the boot-up screen. If you have only installed one display card, the BIOS will detect which slot
(AGP or PCI) you installed it, and everything will be taken care of by the BIOS.
AGP Auto Calibration:
Two options are available: Enabled or Disabled. The default setting is Enabled . This item allows the
BIOS to automatically calibrate the AGP’s performance. We suggestion you set this item to Enabled .
IDE Access Interface:
Three options are available: Auto
)
Embedded Bus
)
PCI Bus. The default setting is Auto . This item
can let you choose which access interface you want IDE devices to use.
USB1 Access Interface:
Two options are available: PCI Bus
)
Embedded Bus. The default setting is Embedded Bus . This item
can let you choose which access interface you want USB1 devices to use.
USB0 Access Interface:
Two options are available: PCI Bus
)
Embedded Bus. The default setting is Embedded Bus . This item
can let you choose which access interface you want USB0 devices to use.