On Sun, 25 Jul 2004 at 23:06:47, wrote: (ref: <[EMAIL PROTECTED]>)
It isn't. One cannot program ROMs - only EPROMS, which have a different pinout. I have never come across OTP (one time programmable) parts with a ROM pinout. They do exist interestingly in 128k 32pin form for the Z88 ROM.Does anyone have a copy of the Spanish QL ROM (MGE) which could be programmed onto new ROM chips ??
A customer in Spain asked if it were possible
You either need a rom set, which will work on a standard QL, or Eproms. One can program eproms, and either piggy back or plug into the two slots - altering the J1-6 jumpers (single black bar zero resistance 'resistors' next to the 2nd rom), or use a Minerva-like pcb and a 64k Eprom. Only 48k of the Eprom is addressed by the QL.
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