Apple Workgroup Server 9150/120 - Manual (Page 42)

The following figure shows you the location of the Workgroup Server 9150’s
internal components. An external view of the server, depicting the ports to
which you connect other devices, is shown in the section “Your Server at a
Glance” in Chapter 1.
WARNING The processor-direct slot (PDS) must always be occupied by
either the termination card that came with your server or a functional
card such as a video card. Be sure to keep the termination card if you
replace it—you’ll need to reinstall the termination card should you later
remove the replacement card.
ROM and cache SIMMs
NuBus slots
Dynamic RAM
SIMM connectors
(Optional)
DAT drive CD-ROM
drive
Floppy disk drive
PDS termination card
PDS card connector
Startup drive
26 Chapter 3 / Expanding Your Server and Connecting Other Equipment