IBM 2104 Model DU3 - Manual (Page 55)

Summary of Valid 2104 Model DU3 Configurations
A summary of valid configurations and SCSI ID assignments is shown in the
following table:
Table 2. Summary of Valid Configurations
SCSI Bus
Mode Number of
Connected
Adapters SCSI IDs of
Adapters Maximum
Number of
Disk Drive
Modules SCSI IDs of Disk
Drive Modules SCSI ID of
Enclosure
Services
Processor Adapters Supported
Single Bus 1 7 14 0,1,2,3,4,5,6,
8,9,10,11,12,13,14 15 All adapters listed on
page 38.
Single Bus 2 5, 6 12 0,1,2,3,4,8,9,
10,11,12,13,14 15 See Notes 1 and 2.
Dual Bus
v
SCSI Bus 1
v SCSI Bus 2
1
1
7
7
7
7
0,1,2,3,4,5,6
(See Note 3.)
8,9,10,11,12,13,14
(See Note 4.) 15
15
All adapters listed
on page 38.
All adapters listed
on page 38.
Notes:
1. In HACMP configurations: PCI Dual-Channel Ultra2 SCSI Adapter (type 4-R), or PCI Dual-Channel Ultra3 SCSI
Adapter (type 4-Y) in separate using systems
2. In non-HACMP configurations : PCI Dual-Channel Ultra2 SCSI Adapter (type 4-R), PCI Dual-Channel Ultra3 SCSI
Adapter (type 4-Y), or Ultra2 SCSI Integrated Port , either in the same, or in separate using systems, but not
sharing access to the disk drive modules.
3. Left hand half of the 2104 Model DU3, viewed from the front
4. Right hand half of the 2104 Model DU3, viewed from the front
Appendix A. Operating with RISC Systems 39