Toshiba 4006GAH ユーザーズマニュアル

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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 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Figure 7    Optional jumper for Drive0/Drive1 
Polarity key
43
44   
              1        C    A
 
              2        D    B