[comp.sys.ibm.pc.hardware] HELP! Error 1201 What is it ? How can I fix it ?

edw@sequent.UUCP (Ed Wright) (04/09/91)

SUBJECT: System Unit 1201??

Help,

I have an original IBM XT (read dinosaur) which has been recently 
exhibiting the error message "parity chech sum error" during the running 
of certain programs.

Not, however, during startup memory checks which it passes with flying 
colors.

Upon running the IBM system diags I get a message that there is a 
malfunction in system unit 1201.  Upon looking up the 1201 error message 
in the manual I am informed that something is broke (brilliant) and to 
take the machine in for repairs.  (And they cut down a tree to get this 
information to me?) 

Could someone please give me an idea what system unit 1201 is? 
If you know what it is, you may also know the best way to repair it.
I'm open to suggestions.

Tnx,

Pete
Email 
or
(415) 932-6900 ext. 528

==Please reply directly to pete.
I will forward mail that I receive, but direct is faster.
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