Installing the Board

Carefully plug the expansion pins of the board (the first board, if using two) onto the motherboard's sockets where the 64K chips were removed. Fasten the board down using the two threaded spacers. Screw them into the motherboard's existing spacers (after removing two small Philips-head screws that may be in place). The spacers should be finger-tight. If using two boards, stack them by plugging the expansion pins of one into the expansion sockets of another. (Be sure the jumpers are correct!). Screw and tighten the spacers for each board.

Once Completed...

Replace the top cover and re-fasten the outside screws. Plug the power cord back in and turn the switch "On". Your Caretaker Plus will now use the full amount of buffer you have installed.

Adding Chips to an Empty Board or Adding Additional Chips

A board can be upgraded from 256K to 512K, from 2561< to 1MB, or from 512K to 1MB. To obtain 2MB an additional board must be installed.

The sockets are numbered 1 through 8 from left to right. Pin 1 of each socket is at top left; match this with Pin 1 of the chip itself. located to the left of a small indentation at the top end of the chip.

The memory chips are very sensitive to static electricity. Avoid touching their pins. Use an anti-static bag or work pad and/or wrist grounding strap when handling the chips.

For a 256k buffer, chips must be installed in sockets U1 and U5.

For a 512K buffer, chips must be installed in sockets U1, U2, U5, and U6. For a full 1 MB, chips must be installed in all eight sockets.

If more than one board is used all sockets on each board must be filled.

Verification of Installation

As usual, when the switch is powered on, it will perform four self-tests including a buffer check (Test #2). If the self-test locates a DRAM problem, the LED display will show an error status on its LEDs. This display not only indicates a particular board but a particular chip or part of a chip that is defective. See the 'Troubleshooting' section for more information.

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Rose electronic CTP-8S Adding Chips to an Empty Board or Adding Additional Chips, Installing the Board, Once Completed

CTP-8S specifications

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