10.13 Drive0/Drive1 Configuration

Drive address shall be set by the optional jumper of interface connector.

The drive runs as Drive0 when the jumper is open or if jumper plug is set to position B-D when P28(CSEL) signal is low. The drive runs as Drive1 when the jumper plug is inserted into position C-D or if jumper plug is set to position B-D when P28 (CSEL) signal is high. In case of two- drive configuration, one shall be Drive0 and the other should be Drive1.

ATA /ATAPI specifies to use P28 with jumper plug set to position B-D. It is recommended to follow the ATA / ATAPI specification.

Jumper

P28

Drive

No Jumper

-

Drive0

C-D Jumper

-

Drive1

B-D Jumper

LOW

Drive0

B-D Jumper

HIGH

Drive1

A-B Jumper

-

Drive1

A-C Jumper

-

Prohibit

Polarity key

43

1 C A

44

2 D B

Figure 7 Optional jumper for Drive0/Drive1

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