6 BIOS Setup
56
SIS-8601-LVA
IDE Primary Master/Slave PIO
The two IDE PIO (Programmed Input/Output) fields let you set a PIO mode (0-2) for each of the
two IDE devices that the onboard IDE interface supports. Modes 0 through 2 provide
successively increased performance. In Auto mode, the system automatically determines the
best mode for each device.
The choice: Auto, Mode 0, Mode 1, Mode 2, Mode 3, Mode 4.
IDE Primary Master/Slave UDMA
Ultra DMA33/66/100 implementation is possible only if your IDE hard drive supports it and the
operating environment includes a DMA driver. If your hard drive and your system software
both support Ultra DMA33/66/100, select Auto to enable BIOS support.
The Choice: Auto, Disabled.
IDE HDD Block Mode
This allows your hard disk controller to use the fast block mode to transfer data to and from your
hard disk drive (HDD)
The choice: Enabled, Disabled.
Onboard FDD Controller
Select Enabled if your system has a floppy disk controller (FDC) installed on the system board
and you wish to use it. If you install and-in FDC or the system has no floppy drive, select
Disabled in this field.
The choice: Enabled, Disabled.
Onboard Serial Port 1/Port 2
Select an address and corresponding interrupt for the first and second serial ports.
The choice: 3F8/IRQ4, 2E8/IRQ3, 3E8/IRQ4, 2F8/IRQ3, Disabled, Auto.
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