MCUmall EPROM BIOS Chip Burner Forum
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 True USB Willem Programmer (GQ-2X,3X,4X & GQ-4x4)
 GQ-3X 29F800 only 50%?

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T O P I C    R E V I E W
nbdey Posted - 08/21/2014 : 08:23:14
Hello I got a GQ-3X ( from zeitech.de) and got never problems with it.
I use the ADP-019 V2.1

But now I´ve to write a 29F800BB (tried a BT too, but same problem) and the Willem stops at 50% and I´m confused...
I think I must bridge the Pin A19 on the Adapter to Pin A19 on willem, but there are two of them, I tried both, but same result...

Can anyone help me? Maybe tell how the right way should be?
9   L A T E S T    R E P L I E S    (Newest First)
anniel Posted - 05/27/2019 : 09:52:08
quote:
Originally posted by ZRimas

quote:
Check if A19 is communicated from the ZIF socket to the chip.



OMG!!! Somebody (probably ME!) removed A19B pin from the adapter! Soldered new one, everything is working!

Thanks a lot, anniel!


You're welcome!

The 4 top pins of the adapter need to be removed only for the older programmers.
ZRimas Posted - 05/27/2019 : 08:59:42
quote:
Check if A19 is communicated from the ZIF socket to the chip.



OMG!!! Somebody (probably ME!) removed A19B pin from the adapter! Soldered new one, everything is working!

Thanks a lot, anniel!
anniel Posted - 05/27/2019 : 08:35:20
quote:
Originally posted by ZRimas

quote:
Originally posted by anniel

Both halves of the read are good?


Hmmm. Not shure. Checked my read files, looks like they are ok, but I do not have any 'untouched' 29F800 to check it.

EDIT:

Now I tried on more time:
I have the original file for 29F800, read from ECU by OBD - it has no doubled information after address 0x8000h.
What I did:
- erased 29F800
- checked - it has all FFs
- tried to write original file, read by OBD
- programmer stopped at 50%
- disconnected programmer, connected again and read what has been written - it has doubled information, it means 0x0000h-0x7FFFFh has it's copy from 0x80000h

Check if A19 is communicated from the ZIF socket to the chip.
ZRimas Posted - 05/27/2019 : 07:46:41
quote:
Originally posted by anniel

Both halves of the read are good?


Hmmm. Not shure. Checked my read files, looks like they are ok, but I do not have any 'untouched' 29F800 to check it.

EDIT:

Now I tried on more time:
I have the original file for 29F800, read from ECU by OBD - it has no doubled information after address 0x8000h.
What I did:
- erased 29F800
- checked - it has all FFs
- tried to write original file, read by OBD
- programmer stopped at 50%
- disconnected programmer, connected again and read what has been written - it has doubled information, it means 0x0000h-0x7FFFFh has it's copy from 0x80000h
anniel Posted - 05/27/2019 : 07:18:00
quote:
Originally posted by ZRimas

I have similar issue - programmer GZ-4X, adapter PSOP44-DIP V2 ADP-019 (original from mcumall)- I can't program 29F800 more than 50%. Jumper set to 29F, id reads correctly, reads full flash - also, erases - OK, but when I start writing, it freezes on 50% with red led on on the programmer.

What I'm doing wrong?

Both halves of the read are good?
ZRimas Posted - 05/27/2019 : 05:42:29
I have similar issue - programmer GZ-4X, adapter PSOP44-DIP V2 ADP-019 (original from mcumall)- I can't program 29F800 more than 50%. Jumper set to 29F, id reads correctly, reads full flash - also, erases - OK, but when I start writing, it freezes on 50% with red led on on the programmer.

What I'm doing wrong?
ZLM Posted - 03/18/2015 : 15:05:14
Connect A19 on GQ-3X to adapter.
nik7dob@gmail.com Posted - 03/17/2015 : 09:23:08
Any further information about this issue?
ZLM Posted - 08/29/2014 : 20:36:19
see:
http://www.mcumall.com/forum/topic.asp?TOPIC_ID=4729

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