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cbmSD-mini - SD Card Drive for Commodore Computers with IEEE ============================================================ The goal of this project is to create a free open-source disk drive solution that is easy to build using all thru-hole parts plus the use of a common inexpensive SD card module. This device is based on the petSD+ v2.4 from Nils Eilers. I have removed all the non-essential features and have designed it to plug directly into the back of the computer. No IEEE cables are required. However, it also has a pass-thru to add additional drives if you need. You will need a simple cassette port power plug or you can power it with a standard 5V adapter with barrel jack. Features -------- - Direct plug into IEEE port - Pass-thru IEEE port - Power, Busy and Error lights - SD module can be mounted on header or extended via wires. - Reset switch. - Two Power headers for input or output (to additional cbmSD-mini units. - Mounting holes for future 3D case. Project Page ------------ http://www.cbmsteve.ca/cbmsd/index.html Status ------ V1.0: Was the first version for prototyping. It supported IEEE and IEC like the PETSD+. V1.1: Removed IEC port and AUX header. IEEE only for PET/CBM users. Gerbers sent to JLCPCB on 2021-05-14. V1.2: Fix trace short on LED. Remove 74125 which is not reqired for IEEE. Update design for Kicad7. Gerbers sent to JLCPCB on 2024-02-21. Steve 2024-02-21
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SD drive for PET/CBM computers
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