Seagate ST336607LW ST3146807LC Model Product Manual PDF - Page 51
Cheetah 10K.6 SCSI Product Manual, Rev. D, Function description, Note., Default - jumper settings
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Cheetah 10K.6 SCSI Product Manual, Rev. D 41 8.1.2 Function description J2 jumper installation SE On Off Jumper function description Forces drive to use single-ended I/O drivers/receivers only. Drive can operate on the interface in low voltage differential mode or single-ended, depending on the voltage state of the I/O "DIFFSNS" line. Default is SE jumper not installed. DS ME Off Off Off On On Off On On Spindle starts immediately after power up - Default setting. Drive spindle does not start until Start Unit command received from host. Spindle Startup is delayed by SCSI ID times 12 seconds after power is applied, i.e., drive 0 spindle starts immediately when DC power connected, drive 1 starts after 12 second delay, drive 2 starts after 24 second delay, etc. Drive spindle starts when Start Unit command received from host. Delayed start feature is overridden and does not apply when ME jumper is installed. WP On Entire drive is write protected. Off Drive is not write protected. Default is WP jumper not installed. PD On Parity checking and parity error reporting by the drive is disabled. Off Drive checks for parity and reports result of parity checking to host. Default is PD jumper not installed. RES Off Reserved jumper position. Default is no RES jumper installed. TP Off The drive does not supply terminator power to external terminators or to the SCSI bus I/O cable. On Drive supplies power to SCSI bus I/O cable. When drives have differential I/O circuits, a jumper on the TP position may be needed to power external terminators (see system docu- mentation). These drives do not have terminator circuits on the drive. Note. J2 does not exist on LC models and is supported on LW models only.