Abit IT7-MAX2 User Manual page 64

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transfer protocol that utilizes ATA commands and the ATA bus to allow DMA commands to transfer data
at a maximum burst rate of 100 MB/sec.
Ultra DMA/33 or Ultra DMA/66/100 implementation is possible only if your IDE hard drive supports it
and the operating environment includes a DMA driver.
Auto: If your hard drive and your system software both support Ultra DMA, select Auto to enable BIOS
support.
Disabled: If you encounter a problem in using Ultra DMA devices, you can try to disable this item.
Onboard IDE-2 Controller:
The description is same as the Onboard IDE-1 Controller.
USB Controller:
Two options are available: Enabled and Disabled. The default setting is Enabled. This motherboard
provides two Universal Serial Bus (USB) ports, thus supporting USB devices. If you don't want to use
USB devices, set it to Disabled, then the item USB Keyboard Support & USB Mouse Support will also be
disabled.
#
USB Keyboard Support:
Two options are available: OS and BIOS. If you want to use USB keyboard in DOS environment, please
set it to BIOS.
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USB Mouse Support:
Two options are available: OS and BIOS. If you want to use USB mouse in DOS environment, please set
it to BIOS.
AC97 Audio
Two options are available: Auto and Disabled. The default setting is Auto. If you set it to Auto, it will
allow the BIOS to detect the audio device you use. If an audio device is detected, the onboard audio
controller will be able to support it. If you want to use another audio adapter card to connect the audio
connectors, please set this item to Disabled.
Init Display First:
Two options are available: PCI Slot and AGP. The default setting is PCI Slot. When you install an
additional display card, you can choose either a PCI display card or an AGP display card to activate the
display boot-up screen.
IDE HDD Block Mode:
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. The default setting is Enabled.
Onboard LAN Controller:
This option enables or disables the LAN controller. The default setting is Enabled.
IT7-MAX2
Chapter 3