IBM DPSS-309170 Installation Manual - Page 8

IBM storage products Assign a SCSI address Assign a SCSI address to the drive by placing jumpers on the appropriate pins. Refer to the chart below for pin combinations. Address 7 is generally reserved for the controller card. SCSI Address 0 1 2 3 4 5 6 7 Jumpers required on pins ... none 7 & 8 9 & 10 7 & 8, 9 & 10 11 & 12 7 & 8, 11 & 12 9 & 10, 11 & 12 7 & 8, 9 & 10, 11 & 12 SCSI Address 8 9 10 11 12 13 14 15 Jumpers required on pins ... 13 & 14 7 & 8, 13 & 14 9 & 10, 13 & 14 7 & 8, 9 & 10, 13 & 14 11 & 12, 13 & 14 7 & 8, 11 & 12, 13 & 14 9 & 10, 11 & 12, 13 & 14 7 & 8, 9 & 10, 11 & 12, 13 & 14 Enable optional features Termination Power (68 pin drives only) Place a jumper on pins 3 and 4 of option block J4 if your host adapter or other device does not supply termination power. Force Single-Ended Mode Place a jumper on pins 5 and 6 of option block J4 to force the drive to operate in Single-Ended mode. Enable Auto Spin Up (68 pin drives only) Place a jumper on pins 1 and 2 of option block J6 to force the drive to spin up automatically after a power-on reset. If this position has no jumper, the drive will not spin up unless a START UNIT command is received. Disable Auto Spin Up (80 pin drives only) Place a jumper on pins 1 and 2 of option block J6 to prevent the drive from spinning up unless a START UNIT command is received. If there is no jumper on pins 1 and 2 of J6 the drive will spin up automatically after a power-on reset. IBM Technology Group Support Center Page 8 07N5612IG10