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Bob,<br>
<br>
I see you caught the meaning of the A19 comment.<br>
<br>
Sadly, my Willem is also a parallel port job, 5.0E.<br>
<br>
The negatives on the Willem are:<br>
1. Parallel port required. I run it on an old P4 machine with
a ParPort, but use USB to power it. The wall-wart is avoidable.<br>
2. Dip switch settings are a bit of a pain.<br>
3. No GAL programming support.<br>
<br>
Positives for the Willem:<br>
1. Good user GUI. You <u>can</u> get the DIP switches set up
okay on try 1.<br>
2. Support for a wide variety of chips.<br>
3. It has never destroyed a chip, even when I fouled up the
settings; e.g., the A19 jumper.<br>
4. Manual and Help are in <u>English</u>. Retailer provided
e-mail support for me (regarding A19).<br>
5. It is inexpensive.<br>
<br>
--John<br>
<br>
BTW: I've also used the Willem to program the 8-pin serial flash
for the Propeller. GUI is incorrect about chip placement, but the
board is marked properly. Or is it the reverse? It is a while
since I updated the Propeller firmware.<br>
<br>
<br>
<br>
<br>
On 04/05/2015 11:46 PM, Bob Devries wrote:
<blockquote cite="mid:***@gmail.com" type="cite">Hi
John.
<br>
The Genius G540 has no DIP switches. I think everything is
supposed to be done in software.
<br>
<br>
Which version of Willem are you using? eBay has only a very small
selection and they are parallel port programmers. My main W8.1 box
has no parallel port, so I'd need to resort to my WinXP box.
<br>
<br>
Regards, Bob Devries
<br>
Dalby, QLD, Australia
<br>
<br>
<br>
On 6/04/2015 4:38 PM, John Coffman wrote:
<br>
<blockquote type="cite">Bob,
<br>
<br>
I'm glad you had better luck with the SST flash memory. I got
the
<br>
Genius to program GAL's, so the money is not wasted.
<br>
<br>
My Willem does a good job with 27Cxxx EPROM and AMD & SST
flash memories.
<br>
<br>
With the larger chips, watch out for the setting of the A19
jumper on
<br>
the Willem. It is separate from the DIP switches. I've
forgotten to
<br>
set it properly a couple of times.
<br>
<br>
--John
<br>
<br>
<br>
<br>
<br>
On 04/05/2015 11:28 PM, Bob Devries wrote:
<br>
<blockquote type="cite">I have had no problems programming the
SST39SF040 for my ZETA, and
<br>
also a 24C512 for the parportprop; although I still need to
test this.
<br>
But it seems that any "legacy" EPROM chips won't work. My
guess is
<br>
that the Genius programmer just doesn't develop the required
<br>
programming voltage.
<br>
<br>
I agree with the psuedo english of the manual. I found that
the user
<br>
screens were better in Windows 8.1 than Windows XP.
<br>
<br>
And absolutely no user support.
<br>
<br>
I think I'll try to find a Willem programmer; they seem to be
better.
<br>
<br>
Regards, Bob Devries
<br>
Dalby, QLD, Australia
<br>
<br>
<br>
On 6/04/2015 4:00 PM, John Coffman wrote:
<br>
<blockquote type="cite">Bob,
<br>
<br>
My experience with the Genius G840 programmer has been
hit-or-miss.
<br>
<br>
Flash memory (512K x 8) AMD AM29F040 are destroyed by the
programmer.
<br>
<br>
Atmel GAL's ATF16V8's are erased and programmed
successfully. However,
<br>
don't believe the suggested placement of the device in the
ZIF socket.
<br>
It took two tries to get the placement correct. In the
process, the
<br>
devices were not destroyed.
<br>
<br>
The pix that are displayed with the GUI are not accurate.
The manual is
<br>
written in some semblance of English, but I cannot translate
it. And
<br>
the factory and retailers have zero Customer Service.
<br>
<br>
I cannot recommend the Genius programmer.
<br>
<br>
--John
<br>
<br>
<br>
<br>
<br>
On 04/05/2015 05:10 PM, Bob Devries wrote:
<br>
<blockquote type="cite">Hi all,
<br>
<br>
I've been trying to programme a 27C256 using the Genius
GS540, but it
<br>
always errors out. I can't tell if it is hardware or
software related.
<br>
<br>
I have a EPROM programmer for my Tandy Colour Computer,
but that is
<br>
limited to 27128 devices.
<br>
<br>
Can someone suggest a not too expensive programmer which
is KNOWN to
<br>
do 27C256 (and other 27C devices)?
<br>
<br>
Regards, Bob Devries
<br>
Dalby, QLD, Australia
<br>
<br>
</blockquote>
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