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Post Post #25204
To these who here have the hardware synthesizers they can get a EPROM upgrades
with the latest firmware from me for following synthesizers

Roland JD990, MKS70, JX10, D550
Korg Wavestation A/D (v 1.25), EX, DW8000
Yamaha TX802, FS1R, AN1x

I can also provide other 16-bit EPROMs with upgraded firmware.
Price depending on the chip and software ca $4..10 plus 5..6 USD shipping.

These files are really no secret and there are ridiculous prices for these
firmware upgrade chips, however EPROM programmer is available for 8bit EPROMs

So, it is meant for these who do not have a programmer, especially for JD990
EPROM. (For JD990 it is strongly recommended to upgrade if the firmware is lover than 1.02).

At e-bay the sellers are trying to sell these with 5...10 times higher prices, but it really is not so complicated procedure/work. Also, I provide this cheap becouse
I have upgraded all my synthesizers, have leftovers for now, and I have no need to get rich from EPROM burning. Wink

More inofficial features to follow for hardware synthesizer lovers as DCOs and memory preset expansions to get over 64/128 patch limit. M16C / M64C replacement cartridges
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