Motorola MPMC101 user manual Multiple Device Configuration

Introduction to SCSI-2

The SCSI-2 architecture allows for multiple devices on the bus where more than one host computer can communicate with more than one target at a time. They can be daisy-chained together in a narrow configuration using a 50-conductor, 8-bit cable to connect up to 8 SCSI devices on the bus. A wide configuration expands the bus to a 68-conductor, 16-bit bus that can handle up to 16 SCSI devices. They can be intermixed on the same bus.

1

Computer	Host
	Adapter

SCSI BUS

Peripheral

SCSI

Controller

Peripheral

Peripheral

SCSI

Controller

Peripheral

Peripheral

Computer	Host		SCSI
		SCSI BUS
	Adapter		Controller

Peripheral

Figure 1-4. Multiple Device Configuration

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