The Memory Expansion Boards

There are four sectors on the memory expansion board, each with four chip sockets. The chip sockets are identified by the IC number, as shown below.

1B

1C

1D

1E

1F

1H

1J

1K

3 1

4 2

3C

3D

3E

3F

3H

3J

3K

3L

The four sectors must be filled in the order given below:

Sector

IC number

Total RAM when filled

 

 

 

 

2 MB Board

.5 MB Board

 

 

 

 

 

 

 

 

 

3c, 3D, 3E, 3F

2.5

MB

1.0

MB

 

3H, 3J, 3K, 3L

3.0

MB

1.5

MB

 

1B, 1C, 1D, 1E

3.5

MB

2.0

MB

 

1F, 1H, 1J, 1K

4.0 MB

2.5

MB

 

 

 

 

 

 

If all four sectors on the board are empty, install the first chip set in sector 1. If sector 1 is already filled, install the chip set in sector

2.If sector 1 and 2 are filled, install the chip set in sector 3; and if sector 1, 2, and 3 are filled, install the chip set in sector 4.

Appendix A A-43