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Memory
Configurations
The XEN-LS II motherboard is fitted with 4 Mbytes of on-
board memory, and sockets for two SIMMs (Single In-line
Memory Modules). Each socket can be empty, or fitted with
a SIMM of 4, 8, 16 or 32Mbytes capacity.
The sockets support standard 36-bit, 70ns SIMMs of 4, 8
and 16 Mbytes. The 32 Mbyte SIMM must be obtained from
Apricot, standard 32 Mbyte SIMMs will not work in the
XEN-LS II. The table below identifies the possible memory
capacities using the various SIMM combinations.
MM1
capacity
-
4
8
16
32
4
4
4
8
8
16
32
32
32
32
Note
When a 32Mbyte SIMM is installed in MM2 the motherboard
memory is disabled.
It should be noted that, for all combinations the SIMM in
MM1 can be swapped with that in MM2. In every case the
computer will operate correctly when it is powered up, and
in most cases there will be no difference in the operation of
the computer.
26
MM2
Upgrade
capacity
capacity
-
-
-
-
-
4
8
16
8
16
16
4
8
16
32
Motherboard
memory
-
4
4
4
8
4
16
4
32
4
8
4
12
4
20
4
16
4
24
4
32
4
36
4
40
4
48
4
64
4
Available
memory
4
8
12
20
36
12
16
24
20
28
36
40
44
52
64
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