Service manual

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VAXstation 3100 (Model 76) System
4.1 System Contents
The VAXstation 3100 Model 76 (VS43A-xx) system consists of the system
box, monitor, mouse or tablet, and keyboard. The label on the back of the
system box indicates that you are working on the VS43A-xx.
The system box contains several field replaceable units (FRUs): the
system module, up to eight memory DSIMMs, a graphics module, a power
supply, and up to three internal mass storage devices (RX23 disk drive
with either one or two RZ22, RZ23, RZ23L, or RZ24 disk drives; or either
one, two, or three RZ22, RZ23, RZ23L, or RZ24 disk drives).
There are five expansion boxes available that contain additional mass
storage devices. They are:
• TK50Z-GA storage expansion box
• RZ55 storage expansion box
• SZ12 storage expansion box
• RRD40 storage expansion box
• TLZ04 storage expansion box
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