Lgn Interface Board - HP 340 Series Service Manual

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CAUTION
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When a video board with two backplane connectors is installed, the
smaller connector should not completely seat with the sroall backplane
connector. A small gap may be visible between the video board and
backplane small connectors. You should look down the backplane's top
edge and verify it is straight after the video board is installed. If it's
not, move the backplane connector just enough to make the backplane
straight.
8. Place one hand behind the SPU backplane for support and use the other hand to seat
the video board completely in the SPU backplane connectors.
9. Install the new video board in the SPU's top slot.
10. Replace in reverse order the items listed in the Preliminary Requirernents.
Installing a New Graphics Accelerator Board
Before installing a new graphics accelerator board, remove these parts from the new board as
follows:
1. Remove the nylon key from the new graphics accelerator board.
2. Remove the stand-off from the graphics accelerator board with the 5.5mm nut driver.
3. Install the graphics accellerator board on the 98550-66572 video board.
4. Find the four screws packaged with the new graphics accelerator board and use them to
fasten the graphics accelerator board to the video board.
5. Install the video/graphics board in the top slot.
LGB Interface Board
Preliminary Requirements
Turn OFF the SPU and remove these items in the order listed:
1. Power corel.
2. All interface cables.
3. Any DIO-I card installed.
4. Case.
5. Rear Panel
Removal
To remove the LGB board, hold the SPU rear panel with one hand and pull the LGB interface
board out of its slot.
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Assembly Replacement