Eclipse
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Upgrade Guide
Page 54
4)
Remove the existing PROM device from the CPU card.
5)
Insert the newly programmed PROM device, taking care to ensure the correct
polarity of the device.
5.2
Changing the CPU card RAM
Note:
When you change the CPU card RAM (from 128Mb RAM to 256Mb RAM), you must also
change the CPU card PROM. See
5.1 Changing the CPU card PROM
To change the CPU card RAM (from 128Mb to 256Mb):
1)
Ensure that you have the replacement 256Mb CPU card RAM to hand.
2)
Remove the CPU card from the Eclipse HX-Median, Eclipse HX-Omega or Eclipse
HX-Delta matrix.
3)
The cassette that holds the CPU card RAM daughter board is located towards the
center of the main board:
Figure 5-1: CPU card 128Mb RAM daughter board
To release the 128Mb RAM daughter board, push back the levers to either side of the
cassette. Remove the board.
4)
Fit the replacement 256Mb CPU card RAM daughter board to the cassette. The
daughter board is fitted chip-side up. Ensure that the daughter board is securely
fitted (only the top edge of the connectors along the lower edge of the board
should be visible).