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 True USB Willem Programmer (GQ-2X,3X,4X & GQ-4x4)
 GQ-4X ADP-054 V4 with 27C322		  New Topic  Reply to Topic
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RedScorpion

Germany
14 Posts
Posted - 06/30/2013 :  07:07:34  Show Profile  Reply with Quote
Hi guys,

bought my new usb epromer and want brun the 27C322 like with my old lpt
version.

Connect via USB native 5v port and also tried a DC Adapter with 9-12V.

Each try result in following issue

1. 27c322 are blank
2. If iam pressing to Write, i got on 0% a write error
Try 10 x 27C322 eproms and got

"Write failed, Address=0x000001, Buffer=0x61 Device=0x63"

3. Tried my old 27C322 16 Bit adapter. Connect A19,A20 and A21 to adress connector on usb willem and check for empty eprom. If i start the write process the state goes to 25% and i got a errormessage.

Check all contacts on ADP 054 for solder problems and resolder all point.
X-Test epromer with other usb cable and other pc system -> same issue.

My OS is Windows 7 ultimate but iam realy sure that this is not a OS problem or driverissue.

Change J5 - to V3 and V4. What does this mean Epromer version GQ3 or GQ4?!

J1 is set to 2/3.

Could it be that the eprom is not set to the correct location on zif?!


Hey made a image.

https://dl.dropboxusercontent.com/u/19735616/gx4.jpg

Update:
Tried to read a chip which was burn via lpt willem and verify ok.
Data are note correct ;/

Thanks in advance

red
Edited by - RedScorpion on 06/30/2013 07:26:16
Reply #1

ZLM

2937 Posts
Posted - 07/01/2013 :  08:31:09  Show Profile  Reply with Quote
From the picture, your hardware setup is correct.

It seems the chip has poor pin contacting.

1. Try to push the chip left/right on the adapter after locked.
2. Try to push the adapter left/right on the programmer after locked.

This chip does not need external adapter.

The 25% error is the address connection problem.
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Reply #2

RedScorpion

Germany
14 Posts
Posted - 07/02/2013 :  05:13:05  Show Profile  Reply with Quote
quote:
Originally posted by ZLM

From the picture, your hardware setup is correct.

It seems the chip has poor pin contacting.

1. Try to push the chip left/right on the adapter after locked.
2. Try to push the adapter left/right on the programmer after locked.

This chip does not need external adapter.

The 25% error is the address connection problem.



The willem doesn't recognized 10 eproms in a row. I dont think is is a pinproblem...

You have written "This chip does not need external adapter."
Are you shure? The 27C322 doesnt need the ADP-054 adapter?!

Like already posted: My old adapter with adressextenstion works fine.

Thanks

chris
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Reply #3

ZLM

2937 Posts
Posted - 07/05/2013 :  16:03:59  Show Profile  Reply with Quote
Sorry. It should be "This chip does not need external power adapter."

If your old adapter works on GQ-4X, then it must be the adapter problem.
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