Download Alpha 1000A Specifications

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Table 6-5 SCSI IDs for Dual-Controller Configuration
SCSI Device
SCSI ID
Bus A
CDROM drive
4
Tape drive
5
Bus B
Slot 0
0
Slot 1
1
Slot 2
2
Slot 3
3
Slot 4
4
Slot 5
5
Slot 6
6
Dual-Controller, Split-Backplane Configuration
In the dual-controller configuration shown in Figure 6-9, the seven StorageWorks
devices are divided between the on-board, 68-pin wide SCSI controller and a PCI or
EISA SCSI option controller adapter. Bus A includes the CDROM drive and the
tape drive, if one is installed. Bus A and bus B are each terminated by an external
terminator. Table 6-6 shows the SCSI ID settings for this configuration. The
features of this configuration are listed below:
Caution: Avoid bending the SCSI cable when
folding it.
AlphaServer 1000A Owner's Guide
Configuring • 6-33