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Franklin 500 Power Supply

PostedMarch 22, 2016
UpdatedSeptember 17, 2022
Bywebmaster

The Franklin ACE 500 has 256K of memory installed, with room to add an additional 256K for 512K total RAM. Other options include a battery-backed clock and calendar.
There is space for internal power supply, but it is empty. You can insert an Apple IIc plus power supply in that space
The power supply pin assignments are:
1) GND Sense
2) GND
3) GND
4) -12v (0.1A)
5) +12v (1.2A)
6) +5v (1.8A)
7) +5 Sense

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Apple IIc Plus internal power connector signals
1) – 12-volt supply
2) +12-volt supply
3) + 5-volt supply
4) + 5-volt supply
5-7) Ground
 
If you want to make your own cable, the connector is a Molex 09-50-3051 and the terminals are Molex 08-50-0106.
 
On the Franklin Motherboard, the pinouts are GND GND -12 +12 +5 starting from the back of the case and working forward.
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