26 | ST43401N/ND, ST43402ND User’s Manual, Rev. B |
Pin 2
Pin 1
Ground (GND)
J09
SCSI Bus Select Mode (SBS) ID_A0 (A0)
ID_A1 (A1) ID_A2 (A2) ID_A3 (A3) ID_B0 (B0) ID_B1 (B1) ID_B2 (B2) ID_B3 (B3)
Port A SCSI ID Selectors
Port B SCSI ID Selectors
= Jumper |
connected |
= Jumper not |
connected |
= |
GND
(not relevant to the |
option discussed) |
GND
Port A SCSI ID
Port A SCSI ID = 0
Port A SCSI ID = 1
Port A SCSI ID = 2
Port A SCSI ID = 3
Port A SCSI ID = 4
Port A SCSI ID = 5
Port A SCSI ID = 6
Port A SCSI ID = 7
Port A SCSI ID = 8
Port A SCSI ID = 9
Port A SCSI ID = A
Port A SCSI ID = B
Port A SCSI ID = C
Port A SCSI ID = D
Port A SCSI ID = E
Port A SCSI ID = F
Port B dictates Port A’s SCSI ID (the drive ignores all Port A jumpers and assigns Port A the same SCSI ID as Port B)
B3 | B1 A3 | A1 | SBS |
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B2 | B0 | A2 | A0 | B3 | B1 | A3 | A1 | SBS |
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| Port B SCSI ID | B2 | B0 | A2 | A0 |
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| Port B SCSI ID = 0 |
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| Port B SCSI ID = 1 |
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| Port B SCSI ID = 2 |
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| Port B SCSI ID = 3 |
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| Port B SCSI ID = 4 |
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| Port B SCSI ID = 5 |
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| Port B SCSI ID = 6 |
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| Port B SCSI ID = 7 |
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| Port B SCSI ID = 8 |
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| Port B SCSI ID = 9 |
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| Port B SCSI ID = A |
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| Port B SCSI ID = B |
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| Port B SCSI ID = C |
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| Port B SCSI ID = D |
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| Port B SCSI ID = E |
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| Port B SCSI ID = F |
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