IEI Technology NOVA-GM45A, User Manual, Page: 105 / 153

NOVA-GM45A Motherboard
Page 93

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.

0
PIO mode 0 selected with a maximum transfer rate of 3.3 MB/s

1
PIO mode 1 selected with a maximum transfer rate of 5.2 MB/s

2
PIO mode 2 selected with a maximum transfer rate of 8.3 MB/s

3
PIO mode 3 selected with a maximum transfer rate of 11.1 MB/s

4
PIO mode 4 selected with a maximum transfer rate of 16.6 MB/s
(This setting generally works with all hard disk drives
manufactured after 1999. For other disk drives, such as IDE
CD-ROM drives, check the specifications of the drive.)

DMA Mode [Auto]
Use the DMA Mode BIOS selection to adjust the DMA mode options.