Biostar CX70M-I7B Setup Manual page 41

IDE HDD Block Mode
Block mode is also called block transfer, multiple commands, or
multiple sectors 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 mode (most new drives do), select
Enabled for automatic detection of the optimal number of block read /
write per sector where the drive can support.
The Choices: Enabled (Default) / Disabled
VIA OnChip PCI Device
Azalia HAD Controller
Auto allows the mainboard to detect whether an audio device is used.
If the device is detected, the onboard HD audio controller will be
disabled; otherwise, it is enabled. Disable the controller if another
controller card is being used to connect to an audio device.
The Choices: Auto (Default) / Disabled
VIA OnChip LAN 1/2
This option allows you to control the onboard LAN.
The Choices: Enabled (Default) / Disabled
Onboard Lan Boot ROM 1/2
Decide whether to invoke the boot ROM of the onboard LAN chip.
The Choices: Disable (Default) / Enabled
CX70M-I7B
41