[epoxy]

any chip of the same type will work with your tank,
it happenes that the tanks breakdown beyond the point of repair.
so there must be some chip somewere without a working tank,
i know i have some spares by now.

maybe you could find a cheap deal on a defective set somewere ?
that way you have some spareparts too.

still haven't got the romwriting thing working unfortunatly.
but at least the hardware seem easy enough.