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Commodore
128 Tower
C128T - C128T-Case
- C128T-PSU - C128T-UPS
C128T
PSU ver.4

ATX PSU
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Power Supplied: 180W ATX PSU.
This PSU provides the DC supply needed for the Commodore System.
With its high current ratting, it will provide plenty of power
for the SuperCPU needs. 5v and 12v sappily is all that needed
for the c128, 1571 and Fan.
The Power On link is just a wire link between pin 13 and 14 on
the mother board power connector. This allow me just switch on
the mains and the ATX will just start, a diagram below:
Note: In the lasted Ver.4, this link is used to switch
on the ATX.
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9v ac PSU
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Power Supplied: 9v ac 1Amp.
The 9v ac is made form a 240v ac to 9v ac 1Amp Transformer with
a 1Amp Quick Blow fuse for safety. This goes directly to the c128.
The two front tamales was covered up for a good reason, they
are 240v ac on them.
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9v dc PSU
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Power Supplied: 9v dc 1Amp plugs.
The left PSU is running all day and all week to proved the power
for the RamLink.
The right PSU is switched on by the power switch to proved power
for the FD-2000.
After all the problems I had with the 9v dc sappily, I have decide
to use the original PSU that came with the RamLink and FD-2000.
I modified them buy simply drilling the three tamales and bolting
wires to them. Plus the Live and Natural tamales where well insulated
(240v is not healthy when touch).
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PSU v4 Diagram:
The v4 only had a few wires modify from this v3
to make it run good. I do not know why (Again!), By switching the
Main 240v power on/off to the ATX has some how made the whole system
unstable. So v4 was made and all faults was solved.
Hear is a Diagram
of v3

C128T PSU
ver.2
I was not rely happy about this design, maybe that
the ATX need to be on all day. But, the fate was sealed for this v2
is when the 9v Regulator blew, so roll on v3.
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