To Remove Memory Modules; Open The System Unit - DEC DECstation 5000 Model 100 Series Hardware Operator's Manual

To Remove Memory Modules

Follow these rules when you remove memory modules:
Remove memory modules from one memory slot at a time,
starting with the highest-numbered slot. Always remove
memory modules from the highest-numbered slots first.
Remove both memory modules from a slot. Do not leave a
slot with one memory module in it.
You need at least 8 megabytes of memory to use your
workstation.

Open the system unit

Follow the instructions that came with your worksystem
1.
software to shut down the software.
Turn off the system unit by pressing the 0 on the on/off
2.
switch on the back of the unit.
Loosen the cover-release screw on the back of the system
3.
unit. This is a captive screw. It can be loosened but not
removed.
Stand in front of the system unit, grasp each side of the
4.
cover with your hands, and pull the cover straight toward
you about 2 inches (5.5 centimeters). Then pull up, as
shown in Figure 5-1, on page 5-3.
Caution:
strap that came in the workstation accessories kit. Always use
the antistatic wrist strap when you work inside the system unit
or with items stored in antistatic bags, as shown in Figure 5-2,
on page 5-4.
Place the loop on the antistatic wrist strap around your
5.
wrist and clip the other end to the metal frame that closes
the system unit, as shown in Figure 5-2, on page 5-4.
Unhook the power supply cable from the white loop on the
6.
inside of the front drive panel and loosen the two captive
screws on the end of the bracket.
Set the front drive panel aside. Handle it carefully if a
drive is in the bracket, as shown in Figure 5-4, on page 5-6.
5–14 Internal Hardware Options
Before opening the system unit, find the antistatic wrist