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Installing extra memory
The system board in your computer has eight sockets for
Single Inline Memory Modules (SIMMs). The system board
treats these sockets as two sets of four. Each set of four
sockets must either be all occupied, or all empty. SIMMs
are supplied in sets of four.
How much memory
Three different capacities of SIMM are available:
256kbyte, 1Mbyte and 2Mbyte, giving upgrade kit
capacities of 1, 4 and 8 Mbytes. The system board does
not support all possible combinations of these three
capacities. The following table shows the RAM capacities
supported:
Memory Fitted
1 Mbyte
2 Mbyte
4 Mbyte
5 Mbyte
8 Mbyte
12 Mbyte
16 Mbyte
If you do not know how much memory is fitted to your
system, you can find out when you switch your computer
on. During the power up sequence on-board memory is
tested and the capacity is displayed on the screen.
On the start up screen two memory capacities will be
shown: base and extended. By adding the base and
extended memory capacities together and dividing by
1024 you will arrive at the amount of RAM (in Mbytes)
fitted to your system board. The result should always be
an integer.
If the result of the calculation is not an integer you
probably have ROM BIOS shadowing enabled and you
should add 384kbytes to the total you arrived at before
dividing by 1024.
4
SIMM Capacity
Set 0
Set 1
256k
-
256k
256k
1M
-
256k
1M
1M
1M
2M
1M
2M
2M
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