23 Dec
2007
23 Dec
'07
10:22 p.m.
From: geneb at deltasoft.com
I've got a serial I/O board in my H-89 that transmits data, but doesn't
receive it. I've replaced the 1489 on the off chance it was blown, but
no change was noticed. The serial cable is ok.
Can someone point me to a set of schematics for this board? It's the
"multi i/o" board with 2 serial (apparently) and one parallel port.
Hi Gene
I'm not aware of the serial board with a parallel port. The only
one I know has 3 serial ports. They ususally only had 2 populated.
How are you determining that it isn't working? Is it possible that
there is an interrupt connected to it that is stealing your data?
Dwight
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