source: Seagate Installation Manual 77765375 Revision D, March, 1991

Jumper settings for Seagate ST4767N, ST4767ND, ST41200N, ST41200ND, CDC Wren & and Runner-2


model #formatted capacitycylinders/heads
ST4767N, ST4767ND676Mb SCSI1356x15
ST41200N, ST41200ND1035Mb SCSI1931x15

The N series drive uses SIPs for termination; the ND series (differential I/O) uses SIPs and DIPs for termination.

User Configuration Jumper Block J4

drive termination selection:
termination enable; power from power connector (default): pins 1-2 short
termination enable; power from SCSI data cable: pins 1-3 short

SCSI device ID selection: uses pins 5-6, 7-8 and 9-10
: : :device ID 0
: : |device ID 1
: | :device ID 2
: | |device ID 3
| : :device ID 4
| : |device ID 5
| | :device ID 6
| | |device ID 7

other:
motor start command from host adapter enable: pins 11-12 short
drive parity checking enable: pins 13-14 short
motor start delay enable: pins 15-16 short
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