Jumper settings for Seagate ST4767N, ST4767ND, ST41200N, ST41200ND, CDC Wren & and Runner-2
model #
formatted capacity
cylinders/heads
ST4767N, ST4767ND
676Mb SCSI
1356x15
ST41200N, ST41200ND
1035Mb SCSI
1931x15
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
next to the SCSI I/O connector
two rows of 8 pins (16 pins total) ::::::::
pin 1-2 closest to the edge of the circuit board
pins 2, 4, 6 thru 16 are closest to the circuit board
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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