Mitsubishi Electronics MS540 4/2, Installing and removing SIMMs

MEMORY UPGRADES

Either bank can be used first. A normal specification of 32-Bit SIMMs having an access time of 70ns for a 5V power supply applies. Parity checking (36-Bit) SIMMs are not necessary.

The Electronic Data Output (EDO) type SIMMs are fully supported and will give enhanced performance, more noticeably if L2 cache is low or not fitted.

This table shows all the supported memory configurations.

Total memory	MM1 +	MM2	MM3 +	MM4
8 Mb	4 Mb	4 Mb	-	-
12 Mb	4 Mb	4 Mb	2 Mb	2 Mb
16 Mb	4 Mb	4 Mb	4 Mb	4 Mb
16 Mb	8 Mb	8 Mb	-	-
20 Mb	8 Mb	8 Mb	2 Mb	2 Mb
24 Mb	8 Mb	8 Mb	4 Mb	4 Mb
32 Mb	8 Mb	8 Mb	8 Mb	8 Mb
32 Mb	16 Mb	16 Mb	-	-
36 Mb	16 Mb	16 Mb	2 Mb	2 Mb
40 Mb	16 Mb	16 Mb	4 Mb	4 Mb
48 Mb	16 Mb	16 Mb	8 Mb	8 Mb
64 Mb	16 Mb	16 Mb	16 Mb	16 Mb
64 Mb	32 Mb	32 Mb	-	-
68 Mb	32 Mb	32 Mb	2 Mb	2 Mb
72 Mb	32 Mb	32 Mb	4 Mb	4 Mb
80 Mb	32 Mb	32 Mb	8 Mb	8 Mb
96 Mb	32 Mb	32 Mb	16 Mb	16 Mb
128 Mb	32 Mb	32 Mb	32 Mb	32 Mb

Installing and removing SIMMs

1.Turn off the computer and unplug all power cords.

2.Take suitable anti-static precautions and remove the system unit cover.

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