Subject:
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Re: Will not keep P-Code.....
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Tue, 22 May 2001 23:26:32 GMT
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Viewed:
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1714 times
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Rmoving every chips except 62256 RAM and 74HC132, and try it again if it
works.
Besides the memory chip (62256), please also check the 74HC373 (under-neath
the 62256 RAM).
Patrick Hui
http://www.robotstorehk.com
----- Original Message -----
From: "Kurt Telep" <kt25@drexel.edu>
To: <lugnet.robotics.handyboard@lugnet.com>
Sent: Wednesday, May 23, 2001 3:52 AM
Subject: Will not keep P-Code.....
> Well, I recently got a hold of a handyboard from a
> |friend of mine who swore it was "junk and didnt' work"
> | After cleaning up some ugly looking solder joints on
> |the board, it powered right up and began to work
> |great. Well, when I went to screw it back down to the
> |base, I think I shocked the bejesus out of it, because
> |all the lights lit up. Now the board will power on, I
> |get the standard bars, and it will RECIEVE the P-Code,
> |but when I reset it, no IC.... Now I tested the power
> |circuit for the Memory as per the assembly manual, and
> |everythign checks out OK. I was wondering if there is
> |anythign else I shoudl test before I drop a new Memory
> |chip in, and also if that's my only resort, where do I
> |get one from? Jameco, or Mouser, or another dealer?
> |
> |Thanks-
> |Kurt Telep
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Message is in Reply To:
| | Will not keep P-Code.....
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| Well, I recently got a hold of a handyboard from a |friend of mine who swore it was "junk and didnt' work" | After cleaning up some ugly looking solder joints on |the board, it powered right up and began to work |great. Well, when I went to screw it (...) (24 years ago, 22-May-01, to lugnet.robotics.handyboard)
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