Acer Veriton 9100, Service Manual

Page: 40 / 96

31 Chapter 2
Integrated Peripherals
The following table describes each Integrated Peripherals parameter. Settings in boldface are the default and
suggested settings.
Parameter Description Options
On-Chip Primary IDE
On-Chip Secondary IDE
These parameters let you enable or disable the IDE
devices connected to the primary and secondary IDE
connectors. Enabled
Disabled
IDE Primary Master PIO
IDE Primary Slave PIO
IDE Secondary Master PIO
IDE 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 3.3 MB/s, mode 1 is 5.2 MB/s, mode 2 is
8.3 MB/s, mode 3 is 11.1 MB/s and mode 4 is 16.6 MB/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