Acer AcerPower F2, Service Manual

Page: 37 / 104

Chapter 2 29
OnChip IDE Device
Press [Enter] to enter the sub-menu and the following screen appears:
OnChip IDE Device
Parameter Description Option
IDE HDD Block Mode Block mode is also called block transfer,
multiple compounds or multiple sector 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 read/write per
sector the drive can support. Enabled
Disabled
IDE DMA transfer access This option is used to set up the IDE
transfer access -- with it set to Enabled, the
IDE Transfer Access uses the DMA mode;
with it set to Disabled, the IDE Transfer
Access uses the PIO mode. Enabled
Disabled
On-Chip Primary PCI IDE Setting the option as Enabled will allow you
to set the sub-menu function settings. Enabled
Disabled
IDE Primary Master PIO
IDE Primary Slave PIO
IDE Primary Master UDMA
IDE Primary Slave UDMA 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 5.2 MB/s, mode 2
is 8.3MB/s, mode 3 is 11.1 MB/s and mode
4 is 16.6MB/s. If your hard disk performance
becomes unstable, you may manually try
the slower mode.
These items allow you to set the Ultra DMA
33/66/100 mode supported by the hard disk
drive connected to your primary and
secondary IDE connectors. Auto
Mode 0
Mode 1
Mode 2
Mode 3
Mode 4
On-Chip Secondary PCI IDE Setting the option as Enabled will allow you
to set the sub-menu function settings. Enabled
Disabled