MKS 651C - Installing a New Memory Module and Replacing the CPU Board; Replacing the Cover

Chapter Seven: Battery-Backed Memory Module Re
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Installing a New Memory Module and Replacing the CPU Board
1. Position the new memory module over the socket, being careful to line up the pins
correctly (pin 1 is located directly to the left of the notch). Snap the module firmly into
place.
2. Position the CPU board over its slot in the unit, ensuring that the board’s edge is behind
the next connector’s edge. Push on the bottom tab to snap the board into the slot.
3. Use any instrument to gently seat the clamping spring firmly in place. A metal tab
prevents the spring from sliding in completely. (The space left by the tab enables a small
screwdriver to be inserted into the space for easy board removal the next time.)
Replacing the Cover
1. Using the clips on the cover as a guide, slide the cover (from rear to front) into place at the
front panel.
2. Position the cover so that the cover slots engage the top of the connector plates. From the
front (looking at the top of the unit toward the rear), push the cover toward the front while
incrementally tightening the screws. (This ensures good electrical connection between the
top cover and rear connector plates.)
3. Reconnect the AC power cord.
4. Turn the power on.
Note
All user configuration settings may have to be reset and the control
system may have to be relearned after replacement of the memory
module.