Compaq AlphaServer DS20 Configuration Manual page 5

Single-Bus Configurations
The Compaq AlphaServer DS20 internal StorageWorks shelf is
configured for single-bus mode. Your system came with one of the
following StorageWorks configurations:
•
A single-bus configuration with one multi-channel controller
(Figure 2).
•
A single-bus configuration with two single-channel controllers
(Figure 3).
Figure 2 Single-Bus Configuration (One Multi-Channel Controller)
(Front)
StorageWorks Shelf
0
1
Bus B
2
3
4
5
6
J10
(Rear)
J12
J11
J16
J13
J17
W3
W2
W1
Repeater
Power
Supply
PCI0 SLOT 7
PCI0 SLOT 8
PCI0 SLOT 9
PCI1 SLOT 7
AlphaServer DS20 Ultra SCSI Configuration Guide 3
Bus A
Motherboard
PCI1 SLOT 8
PCI1 SLOT 9
ISA SLOT
PK0912