Introduction
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Benny Boogaert modified a 32K EPROM card to a 512K Flash card.
Components used
Component | Manufacturer Part No | Order Code | Price | Min Qty |
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A29040C-55F | Farnell | 2.76 | 1 | |
Wires | ||||
Glue |
This is what he did.
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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 to start with | ||||||||||||||||||||||||||||||||||
one layer up front and one in back, Tape should be tight and flat | ||||||||||||||||||||||||||||||||||
Unfortunately, the tape loosened, causing bad contacts. Solution Glue the assembly with a small drop of polyurethane on
The card worked super after that. | ||||||||||||||||||||||||||||||||||
Here is the flash card being used for files. The AMD chip was used rather than the AMIC one. They both have the same pinouts. |
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