27 Mar
2005
27 Mar
'05
1:58 p.m.
Jules Richardson wrote:
We've got a Sun 4/330 which has bit 6 stuck high
in every character
output on the console. I don't suppose anyone has schematics for these
boards or know how the serial hardware works, do they?
There's a Zilog serial chip, quite close to the serial connector.
If it's just bit 6 that's faulty, it sounds like a fault in that
chip (in the parallel section). I think it's a Z8530.
--
John Honniball
coredump at gifford.co.uk