Thanks for the a few help hints from Arthur and Alan.  I did have a long
(4~6 feet) serial cable.  I now cut it to one foot and it still return the
same error mssg.  I am really banging my had now.  Any suggestion how to
check the comms from the programmer to the computer?

YG

-----Original Message-----
From: Alan Aldaba <allen@SUPER.NET.PH>
To: PICLIST@MITVMA.MIT.EDU <PICLIST@MITVMA.MIT.EDU>
Date: Sunday, May 21, 2000 9:52 AM
Subject: Re: nopp


>yansong gu wrote:
>>
>> I just tested my home made nopp.  With all the excitement I loaded the
Demof84.hex(led chaser), it some how returned an error when I tried to
verify the program.  The message is:
>> failed at 0000.  expected 3000, found 3fff.
>>
>> I tested the programmer before I put in the chip16F84A-20I/P and it was
fine.  can any one tell me what's going on ?
>> Your help is greatly appreciated!
>>
>> YG
>Hi, i got the same problem before...accdg. to M. Covington ,it is a data
>comms problem, it's better to check your connection from the programmer
>to parallel port...BTW, how long is your cable, the shorter the better.
>
>Regards,
>
>        Alan
>