IBM DU3 manual Type 4-Y, feature

Two Adapters in One Using System Connected to Two 2104s (Model DU3)

1 1

2104 Subsystem

1 1

2

2

Using System

2104 Subsystem

Figure 28. Two Adapters in One Using System Connected to Two 2104s (Single-Bus Mode)
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 SCSI-2 Single-Ended Fast/Wide Adapter (type 4-A, feature 6208)
	v PCI Single-Ended Ultra SCSI Adapter (type 4-K, feature 6206)
	v PCI Dual-Channel Ultra2 SCSI Adapter (type 4-R, feature 6205)
	v PCI Dual-Channel Ultra3 SCSI Adapter (type 4-Y, feature 6203)
	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)
	Note: The 2104 can be connected to an integrated SCSI port instead of to one of
	these adapters.

Attention: This 2104 configuration is supported on the Linux for pSeries operating

system when attached to the host with the PCI Dual-Channel Ultra3 SCSI Adapter

(type 4–Y, feature 6203).

Attention: The SCSI address of the adapter that is connected to the 2104 must be

different from the addresses of the installed disk drive modules.

422104 Model DU3 Installation Guide