2 System Board - (SiS Chipset) (Part Number: D4051-63001)

Devices on the PCI Bus

Minitower

Configuration

 

Connections to Data Cables

 

 

 

 

 

One hard disk drive

1. Bootable hard disk drive:

Master connector, HDD data cable

 

 

 

 

 

Two hard disk drives

1. Bootable hard disk drive:

Master connector, HDD data cable

 

 

2.

Second hard disk drive:

Slave connector, HDD data cable

 

 

 

 

 

 

Three hard disk

1.

Bootable hard disk drive:

Master connector, HDD data cable

 

drives

2.

Second hard disk drive:

Slave connector, HDD data cable

 

 

3.

Third hard disk drive:

Master connector, CD-ROM data cable

 

 

 

 

 

 

One hard disk drive

1.

Bootable hard disk drive:

Master connector, HDD data cable

 

One CD-ROM drive

2.

CD-ROM drive:

Master connector, CD-ROM data cable

 

 

 

 

 

 

Two hard disk drives

1.

Bootable hard disk drive:

Master connector, HDD data cable

 

 

2.

Second hard disk drive:

Slave connector, HDD data cable

 

One CD-ROM drive

3.

CD-ROM drive:

Master connector, CD-ROM data cable

 

 

 

 

 

 

Three hard disk

1.

Bootable hard disk drive:

Master connector, HDD data cable

 

drives

2.

Second hard disk drive:

Slave connector, HDD data cable

 

One CD-ROM drive

3.

Third hard disk drive:

Master connector, CD-ROM data cable

 

 

4.

CD-ROM drive:

Slave connector, CD-ROM data cable

 

 

 

 

 

 

Two hard disk drives

1.

Bootable hard disk drive:

Master connector, HDD data cable

 

 

2.

Second hard disk drive:

Slave connector, HDD data cable

 

Two CD-ROM drives

3.

CD-ROM driver:

Master connector, CD-ROM data cable

 

 

4.

Second CD-ROM drive:

Slave connector, CD-ROM data cable

 

 

 

 

 

The BIOS uses the auto-detected drive information to select the fastest configuration supported by each installed IDE drive.

Transfer Rates Versus Modes of Operation

The IDE controller supports 32-bit Windows and DOS I/O transfers (many IDE controllers use Windows integral IDE driver which only supports 16-bit I/O transfers). It supports programmed I/O (PIO) modes up to mode 4 and direct memory access (DMA) modes up to mode 2 (giving a cycle time of 120 ns, and a transfer rate of 16.7 MB per second, in both cases).

The five PIO modes allow the following transfer rates:

Mode

0

1

2

3

4

 

 

 

 

 

 

Cycle time (ns)

600

383

240

180

120

 

 

 

 

 

 

Transfer rate (MBytes/s)

3.33

5.22

8.33

11.1

16.7

 

 

 

 

 

 

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