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0664 M1H and 0664 N1H
Jumper settings
 

Option jumper blocks


Bit is selected with shunt in place
50 pin jumpers
Figure 9 50 Pin SCSI Model M1H


Bit is selected with shunt in place
68 pin jumpers
Figure 8 68 Pin SCSI Model M1H

SCSI address
Bit 0     Bit 1     Bit 2     Bit 3     SCSI Address
 off        off        off         off             0
 on        off        off         off             1
 off        on        off         off             2
 on        on        off         off             3
 off        off        on         off             4
 on        off        on         off             5
 off        on        on         off             6
 on        on        on         off             7
 off        off        off         on             8
 on        off        off         on             9
 off        on        off         on           10
 on        on        off         on           11
 off        off        on         on           12
 on        off        on         on           13
 off        on        on         on           14
 on        on        on         on           15

SCSI address decode of option block pins
Note:  In the chart above "OFF" means the shunt is not in place and "ON" means the shunt is in place.  The version of the 0664 which have the 50 pin SCSI connector will not have access to Bit 3, and it should be considered as always off.
 

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