2364 to 27XXX EPROM adapter!
2364 to 27XXX EPROM adapter!
2364 to 27XXX EPROM adapter!
2364 to 27XXX EPROM adapter!
The Brewing Academy

2364 to 27XXX EPROM adapter!

Regular price $9.99 $0.00
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So, you want to put rev C BASIC into your XL, but you can't find an original chip?  This will do it for you! on GitHub, SukkoPera (Giorgioggi) created a design that lets you put an 2764 or 27128 or 27256 or even a 27512 (and their equivalent CMOS variants or even NON-erasable varieties) inside of a 24 pin 2364 slot.  You can add a switch and select between various 8k ROM files!  The sky is the limit (okay, well, 8 is the limit and that is with a 27512)!  You can, of course, make your own, but we have created them here for you!

If you have the ability to burn your own 27C64 or 2764 PROM, then all you do is drop it in this and drop the whole thing into your BASIC socket.  If you do not have the ability to burn an EPROM, we will do it for you.  Select: THIS ITEM and then send us the file.

If your BASIC chip (24 pin just below the SIO) is socketed, then you will have to de-solder it and install a socket.  If it is socketed, then BLAM!  drop and go!

If you do NOT have a PROM or a Burner, just let us know what you want burned on the chip and we will make it happen.

This comes shipped configured for a 2764.  If you would like to change it, here are the specifications:

Three 0805 SMD resistors must be soldered to the bottom side of the board, according to the following table:

(E)EPROM Size # of images R1 R2 R3 Switchable pads
2764 8 KB 1 0R 0R 0R -
27128 16 KB 2 10k 0R 0R A13
27256 32 KB 4 10k 10k 0R A13, A14
27512* 64 KB 8 10k 10k 10k A13, A14, A15

 


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