Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set User Manual
Page 767
Section 15B
Replacement Procedures
15B-11
5.
With your hands pull the board away completely from the enclosure
and lay the board on a clean surface with the SIMMs facing you.
6.
Use Figure 15B.2 to find the release tabs for the flash memory and
shadow RAM SIMMs.
Figure 15B.2
Release Tabs on the SIMM modules
Flash Memory SIMMs
19202
Shadow RAM SIMMs
(on 9/290 only)
7.
Press the raised lever on the left and right tabs at the same time to
release the SIMM module. As each SIMM is released, it turns slightly.
8.
Remove all SIMM modules from the board. These modules contain
the PAL and AMP information for your control. You may want to
label these modules before storing them. You will need to reinstall the
modules when you receive the new or repaired CPU board.
9.
When you receive your replacement CPU board, install it into the
component enclosure as shown in Figure 15B.3. If you have extended
memory, you need to set the jumper shown in Figure 15B.4 before
you install the module.