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Average
(L11, L12) 10.6 mS
(weighted) (H11, H12) 9.4 mS
Full stroke (L11, L12)
(H11, H12) 18.5 mS
ELECTRICAL CONNECTOR LOCATIONS
Options Jumper Block
Electrical Connectors (view from back of Disk Drive)
JUMPER SETTINGS
The jumper block shown above is used to select the SCSI device ID, to control the spindle motor
start and to select the appropriate option pin (B1) function. There are four ground pins, A1, A2,
A3, B2. If pin B1 is jumpered to ground, drive initiated synchronous negotiation is disabled, but
requests from the initiator will still be accepted. Option block ground pins must only be used for
selecting jumper block functions.
20.0 mS
Bit
Address
0 1 2
= 0
C1 C2 C3
D2
= 1
A1 A2 A3 B1 B2
= 2
= 3
12.6 mS
11.4 mS
22.0 mS
20.5 mS
SCSI Pin 1 Power Pin 1
= 4
= 5
= 6
= 7
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