IEI Technology PICOe-9452, User Manual

Page: 142 / 250

PICOe-9452 Half-size CPU Card
Page 124
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LBA/Large Mode [Auto]
Use the LBA/Large Mode option to disable or enable BIOS to auto detects LBA (Logical
Block Addressing). LBA is a method of addressing data on a disk drive. In LBA mode, the
maximum drive capacity is 137 GB.

Disabled BIOS is prevented from using the LBA mode control on
the specified channel.

Auto D
EFAULT
BIOS auto detects the LBA mode control on the specified
channel.

Block (Multi Sector Transfer) [Auto]
Use the Block (Multi Sector Transfer) to disable or enable BIOS to auto detect if the
device supports multi-sector transfers.

Disabled BIOS is prevented from using Multi-Sector Transfer on the
specified channel. The data to and from the device occurs
one sector at a time.

Auto D
EFAULT
BIOS auto detects Multi-Sector Transfer support on the
drive on the specified channel. If supported the data
transfer to and from the device occurs multiple sectors at
a time.

PIO Mode [Auto]
Use the PIO Mode option to select the IDE PIO (Programmable I/O) mode program timing
cycles between the IDE drive and the programmable IDE controller. As the PIO mode
increases, the cycle time decreases.

Auto D
EFAULT
BIOS auto detects the PIO mode. Use this value if the IDE disk
drive support cannot be determined.