IBM DU3 manual Using System Subsystem

One Dual-Channel Non-RAID Adapter in One Using System Connected to Two 2104s and Internal Disk Drives

1	X
	1
	3	3
2104 Subsystem
	2
1	1

Using System

2104 Subsystem

Figure 42. One Dual-Channel Non-RAID Adapter in One Using System Connected to Two 2104s and Internal Disk Drives. This configuration is not valid.

1	SCSI interface card
2	PCI Dual-Channel Ultra2 SCSI Adapter (type 4-R, feature 6205) or PCI
	Dual-Channel Ultra3 SCSI Adapter (type 4-Y, feature 6203). This configuration is not
	valid on this adapter because two internal and two external attachments that are on
	the same SCSI bus exceed the capacity of the adapter.
3	Internal disk drives.

Appendix A. Operating with RISC Systems 57