IBM 2104 Model DU3 - Manual (Page 61)

One Adapter in One Using System Connected to Two 2104s
(Model DU3) and an Internal RAID Array
1 SCSI interface card
Note: The second SCSI interface card that is in the 2104 is optional.
2 SCSI adapter of one of these types:
v PCI 3-Channel Ultra2 SCSI RAID Adapter (type 4-T, feature 2494)
v PCI 4-Channel Ultra3 SCSI RAID Adapter (type 4-X, feature 2498)
3 Internal RAID array
Attention: This 2104 configuration is not supported on the Linux operating system.
Attention:
v The SCSI address of the adapter that is connected to the 2104 must be different
from the addresses of the installed disk drive modules.
v The external connectors of the SCSI RAID adapter must not share a SCSI bus
with the internal RAID array.
Using System
2104 Subsystem
1 1
1 1
2104 Subsystem
2
3
Figure 31. One Adapter, One Using System with Internal RAID Array, and Two 2104s
(Single-Bus Mode)
Appendix A. Operating with RISC Systems 45
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