Indumicro IMP-A120, User Manual, Page: 23 / 54

IDE HDD Block Mode
If your IDE hard disk supports Block mode (most current hard disk products support the feature),
select Enabled and BIOS will automatically detect optimum block mode supported by the hard disk.
This will improve the transfer performance of hard disk. Options are:
Enabled (default)
and Disabled.
IDE DMA Transfer Access
Options are:
Enabled (default)
and Disabled.
On-Chip Primary/Secondary PCI IDE
Each IDE port of integrated peripheral controller supports up to 2 IDE channels. Select Enabled
to activate each channel. Options are:
Enabled (default)
and Disabled.
IDE Primary /Secondary Master/Slave PIO
The four IDE PIO (Programmed Input/Output) fields allow you to set a PIO mode (0-4) for each of
the four IDE devices that the onboard IDE interface supports. Mode 0 through 4 provides successively
increased performance. In Auto mode, the system automatically determines the best mode for each
device. Options are:
Auto (default)
, Mode 0, Mode 1, Mode 3 and Mode 4.
IDE Primary /Secondary Master/Slave UDMA
Ultra DMA implementation is possible only if your IDE hard disk supports it and the operating
environment includes a DMA driver (Windows 95 OSR2 or a third-party IDE bus mastering driver). If
your hard disk and system software both support Ultra DMA/33, Ultra DMA/66 and Ultra DMA/100,
select Auto to enable BIOS support. Options are:
Enabled (deafult)
and Disabled.
On-Chip Serial ATA
The following five options are available:
Disable SATA controller
Auto (default) Allocate SATA/IDE devices automatically
IDE+SATA Combo Mode
Enhanced Mode
Disabled
Combined Mode
SATA Only
Chapter 2 : BIOS Setup
SATA PORT Speed Setting
Three options are available:
Disables the feature
Force GEN I
Enhance transfer speed to 3.0Gb/s, i.e., 300MB/s
PATA IDE Mode
The item allows you to configure PATA IDE mode. Setup option:
Primary (default)
and Secondary
Disabled (default)
Enhance transfer speed to 1.5Gb/s, i.e., 150MB/s
Force GEN II
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