14 Feb
2008
14 Feb
'08
3:32 p.m.
Date: Thu, 14 Feb 2008 16:02:24 -0600
From: Jim Brain <brain at jbrain.com>
Subject: EPROM programmer
To: Classic Computer Talk <cctalk at classiccmp.org>
Message-ID: <47B4BA70.9080703 at jbrain.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
What do other people use for eprom programming? I see a slew
of Willem
programmers, but I don't understand why there are so many
variants. A
bummer is that they all use the Paallel Port, as far as I can tell.
Jim
I ended up getting the True-USB Willem programmer(GQ-3X) Pack PRO from
MCUMall and am quite happy with it. Service and support has been pretty
good. Not Data I/O by any means but seems to be a pretty good value. USB
interface is very convenient.
http://www.mcumall.com/comersus/store/comersus_dynamicIndex.asp
Jack
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15 Feb
15 Feb
7:29 a.m.
Hi
I've been using a PB-10 until just last week when it stopped
programming 2716s :(
I have a data I/O 19 with unipack but that requires me to dig
up serial commands and such. I mostly used it for copies.
I think my PB-10 problem is related to either the charge pump or
regulation of the VPP. I only just figured out how they
run the charge pump but the regulation doesn't make sense
to me yet.
I don't have schematic for the PB-10 so I need to trace wires.
I suspect that I may have distroyed a couple of my 2716s.
Someplace I have a simple parallel port programmer but
I'd have to dig through boxes to find it again. I don't have
the original software, any more, but it is simple enough that I could
recreate it.
Dwight
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8:01 p.m.
From: alexandre-listas at e-secure.com.br
Hi
It is kind of hard to debug in the machine but it looks like
either the PN2222A or the 747 op-amp is the source of the problem.
I'll attach a couple test wires and measure some more.
Dwight
_________________________________________________________________
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I've been using a PB-10 until just last week when it stopped
programming 2716s :(
GREAT programmer, I had one with almost all optionals. This is one
programmer I miss
6153
days inactive
6155
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3 comments
3 participants
participants (3)
-
alexandre-listas＠e-secure.com.br -
dkelvey＠hotmail.com -
jack.rubin＠ameritech.net