Digital Equipment 300 Series AXP Reference Manual page 72

Removing and Installing a TURBOchannel Option (For Models 300/300X/300LX Systems)
Antistatic Do not remove or install any internal option without attaching
Precautions the antistatic wrist strap to your wrist and the system. Refer to
the section entitled CAUTION: Static Discharge earlier in this
chapter for additional information.
Remove a To remove a TURBOchannel option, refer to Figure 2–23 and
TURBOchannel follow these steps:
Option
Step
1
2
3
4
5
6
2–40
Action
Be sure the system preparation tasks are complete. See
the section entitled Preparing Your System for more
information.
Disconnect external cables to the TURBOchannel slots at
the back of the system unit.
Remove the two screws from the two posts at the back of
a single-width TURBOchannel module and four screws
from four posts at the back of a double-width module.
These screws secure the TURBOchannel module to the
system module.
Remove the two screws from a single-width module and
four screws from a double-width module on the back of
the system unit that hold the TURBOchannel module in
the connector slot. Save the screws for step 6.
Lift the single-width or double-width TURBOchannel
option up off the system connector and out toward the
front of the system unit. This may require extra effort, as
the TURBOchannel options are installed tightly.
Insert one or two filler plates, depending on the width
of the module, into the TURBOchannel slot openings,
and attach with the two or four screws from step 4. See
Figure 2–24.