Specifications

Table 4–20 Key for Figure 4–18
Jumper
Operating
Position Description
A Out Factory use only.
B Out Spin-up on power when removed. Spin-up on command
when installed.
C Out Spin-up delay (valid only if jumper B is removed).
Drive spins up after n-second delay when installed. (n
= 16 x SCSI ID setting.) Drive spins up immediately
when removed.
D Out Write-protect. Drive is write protected when installed.
E In Parity checking. Parity checking is enabled when
installed.
F Out Reserved. Do not install jumper.
G In Terminator power source. The drive supplies power to
SCSI bus, pin 26.
H In Terminator power source. The drive supplies power to
its own terminators. Jumpers G and H should both be
installed.
J — Factory use only. Do not install (or remove) jumpers on
(or from) these 5 jumper-pin pairs.
2, 1, 0 — SCSI ID jumpers. ID 6 shown.
FRU Removal and Replacement 4–39