Acer AcerPower 4400, User Manual

Page: 74 / 100

Chapter 3
Award BIOS 64
Primary Master
PIO
Primary Slave PIO
Secondary Master
PIO
Secondary Slave
PIO
Setting these items to Auto activates
the HDD speed auto-detect function.
The PIO mode specifies the data
transfer rate of the HDD. For
example: mode 0 data transfer rate is
3.3MB/s, mode 1 is 5.2MB/s, mode
2 is 8.3MB/s, mode 3 is 11.1MB/s
and mode 4 is 16.6MB/s. If your
hard disk performance becomes
unstable, you may manually try the
slower mode.
Caution: It is recommended that
you connect the first IDE device of
each channel to the endmost
connector of the IDE cable.
Auto
Mode 1
Mode 2
Mode 3
Mode 4
Primary Master
UDMA
Primary Slave
UDMA
Secondary Master
UDMA
Secondary Slave
UDMA
These items allow you to set the
Ultra DMA/33 mode supported by
the hard disk drive connected to
your primary and secondary IDE
connectors. Auto
Disabled
Init Display First If you installed a PCI VGA card and
an AGP card at the same time, this
item lets you decide which one is the
initial display card. PCI
AGP
Onchip Sound This item is used to enable or disable
the onboard audio CODEC. Enabled
Disabled
Parameter Description Options
Ap4400-e.book Page 64 Friday, October 1, 1999 2:09 PM