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HCCS A5000 2MB RAM Upgrade

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HCCS A5000 2MB RAM Upgrade front

HCCS A5000 2MB RAM Upgrade (front) 

HCCS A5000 2MB RAM Upgrade back

HCCS A5000 2MB RAM Upgrade (back) 

The HCCS A5000 RAM Upgrade has 16 x MCM514256AZ80 DRAMs = 2MB of RAM on the board. The A5000 has 1MB or 2MB on the motherbooard. 1MB A5000s must be upgraded to 2MB before a RAM upgrade is installed. This will upgrade the memory to 4 MB which is the maximum an A5000 can have unless the upgrade includes a second MEMC in which case the maximum is 8MB.
 
The serial number on the back is A5-2MB-100458.