Digital Equipment DECstation 5000/100 Series, Maintenance Manual

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1
A Look at DECstation 5000 Model 100
Series Hardware
This chapter describes
Possible system hardware configurations
Basic system hardware
System Hardware Configurations
The DECstation 5000 Model 100 Series are a reduced
instruction set computer (RISC), ULTRIX-based, desktop
system. Basic DECstation 5000 Model 100 Series hardware
supports small computer system interface (SCSI) buses,
Ethernet connections, TURBOchannel options, serial line
devices such as a modem and printer, and additional memory.
If the R4000 CPU module is installed, the system is designated
as a Model 150. If the R3000 CPU module is installed, the
system is designated as a Model 120, 125 or a 133.
A Look at DECstation 5000 Model 100 Series Hardware 1–1