Gateway 7400 System Manual (PDF Version) - Page 18
SCSI backplane board, Back side
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SCSI backplane board Back side JP5: Delay start jumper Power connector SCSI connector JP6: Termination jumper JP5: Delay start jumper controls the spin-up sequence of the drives attached to the backplane. If you leave the delay start jumper on (enabled - default), the drives spin up one at a time in order of their SCSI ID. If you remove the delay start jumper, all drives spin up simultaneously, which may cause an excessive drain on the system power supply. JP6: Termination jumper - The backplane is designed to occupy one end of the bus and is terminated (jumper off - default). SCSI connector provides the point of connection for the SCSI cable from the hot-plug controller. Power connector provides the point of connection for the power cable from the power supply. 10 System Features
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