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Mike Naberezny's photostream
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Markings (Bottom)
Markings (Top)
ASSY 1540000, Serial Floppy Controller, (C)1980 Commodore Intl, Made in USA
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Uploaded on Oct 23, 2011
Bottom Side
Top Side
The board is similar to the 2031S. It cannot function in its current state, a previous owner has...
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Uploaded on Oct 23, 2011
SoftBox Rev 3 and 8032
CBM 8032 displaying the SoftBox's startup banner as it boots CP/M 2.2.
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Uploaded on Sep 23, 2011
Power Wiring
The original wires to the board were cut so I replaced them and the two remaining wires from...
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Uploaded on Sep 19, 2011
Mounted and Rewired
The PCB has been installed on its new standoffs and the input power wiring has been redone.
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Uploaded on Sep 19, 2011
Standoffs Replaced
The four original standoffs broke off during shipping. This shows the replacements. The wiring...
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Uploaded on Sep 19, 2011
RAM and EPROMs Reinstalled
The RAM and EPROMs installed in the new sockets. The original DRAMs were also replaced with new ones for testing.
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Uploaded on Aug 28, 2011
RAM and EPROM Sockets Replaced (Bottom)
Underside of the PCB after the new sockets were soldered in.
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Uploaded on Aug 28, 2011
RAM and EPROM Sockets Replaced (Top)
RAM and EPROM Sockets Replaced (Bottom)
Underside of the PCB showing the EPROM and RAM pads after desoldering.
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Uploaded on Aug 28, 2011
RAM and EPROM Sockets Removed (Top)
All of the RAM and EPROM sockets were removed to be replaced with higher quality, machine-tooled ones.
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Uploaded on Aug 28, 2011
1540 Prototype
Madison Computer Z-RAM
SSE SoftBox Rev 2
SSE SoftBox Rev 3
Super-OS/9 MMU (PCB v3.0)
Mator Shark
CBM 8250 #1561
1541 Ultimate
SuperPET Memory Board
SuperPET Processor Board
» More Sets
