94
2 GB Fixed Disk Drive (CDSK094)
The 2 GB fixed disk drive is only used in StudioZ RAX systems as the boot drive (ID 0). The disk
drive is Seagate’s ST32155N disk drive. The following figure shows the jumper connectors J6 and J2
on the Seagate 2 GB disk drive.
TE
ID1
ID2
ID4
SCSI
Connector
Pin 1
Power
Connector
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J6
J2
TP
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SCSI ID selection uses the ID1, ID2, and ID4 jumpers on connector J6. SCSI ID selection is
defined in the following table.
SCSI ID
ID1 ID2 ID4
0 Off Off Off
1 On Off Off
2 Off On Off
3 OnOnOff
4 Off Off On
5 On Off On
6 Off On On
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To disable SCSI termination, remove the TE jumper from connector J2.
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The disk drive SCSI connector uses MCBL102A and connects to J26 on the I/O expansion board.
Refer to the table “J26, MCBL102A, SCSI” on page 63 for the cable pinout.
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The disk drive power connector uses MCBL085A power cable from the power distribution board.
See the table “J8, MCBL085A, SCSI Drive Power” on page 73 for the cable pinout.
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