Triple-Controller, Split-Backplane Configuration - DEC AlphaServer 1000A Owner's Manual

Table 6-6 SCSI IDs for Dual-Controller Split-BackplaneConfiguration
SCSI Device
Bus A
CDROM drive
Tape drive
Slot 4
Slot 5
Slot 6
Bus B
Slot 0
Slot 1
Slot 2
Slot 3

Triple-Controller, Split-Backplane Configuration

In the triple-controller configuration shown in Figure 6-10, two SCSI controllers are
used to configure the StorageWorks backplane. The seven StorageWorks devices
are divided between two PCI or EISA SCSI option controller adapters (bus B and
bus C). Bus A includes the CDROM drive and the tape drive, if one is installed.
There are two external terminators, one for each SCSI option controller used. Table
6-7 shows the SCSI ID settings for this configuration. The features of this
configuration are listed below:
6-36 Configuring
SCSI ID
4
5
0
1
2
0
1
2
3
Caution: Avoid bending the SCSI cable when
folding it.
AlphaServer 1000A Owner's Guide