Introduction
EPROM cards are becoming useless as they do not offer much storage.
Benny Boogaert modified a 32K EPROM card to a 512K Flash card.
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| Instructions | |||||||||||||||||||||||
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| Pull off the lid | ||||||||||||||||||||||
| round off the 4 plastic pins | ||||||||||||||||||||||
| cut some space around the pins | ||||||||||||||||||||||
| Connect the wires to the chip
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| Flatten the 32 pins and clean up copper. They go through the pcb too far preventing the cover to sit tight in it's place. | ||||||||||||||||||||||
| 2 pieces of sellotape were used to keep the top and bottom of the case tight | ||||||||||||||||||||||
| one layer up front and one in back | ||||||||||||||||||||||
| Tape should be tight and flat |
Components used
| Component | Manufacturer Part No | Order Code | Price | Min Qty |
|---|---|---|---|---|
A29040C-55F | Farnell | 2.76 | 1 | |
Conclusion
Benny Boogaert has shown that it is relatively easy to build your own 512K Flash card for very little money. The difficult bit is getting the extra wires to connect to the gold connector without contaminating it with solder. Not an easy task.
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