Specifications

AlphaServer 1000A Owner's Guide Configuring • 6-33
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.