rp018q4938 at blueyonder.co.uk
Fri Dec 30 18:56:24 CST 2005
could this be a ram problem. wasnt the rca 1802 used a lot on
satellites due to its reliability
by the way.. do you know the voltage / power requirements for an
original microwriter.. i' havn't powered it up since i bought it!!
On 31 Dec 2005, at 00:32, Tony Duell wrote:
> Does anyone really know the RCA 1802 processor hardware?
> I am still debugging the microwriter, and have not got very far. I have
> an RCA user manual on the processor which seems quite comprehensive, I
> asusming it's accurate.
> I thought it was a defective 1802 chip, but another one pulled from an
> old board shows identical behaviour (right down to locking up after
> typing 8 characters on the microwriter keyboard). I can't believe 2
> failed in exactly the same way. Unless of course this is a well-known
> Any thoughts?
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