MCUmall EPROM BIOS Chip Burner Forum
MCUmall EPROM BIOS Chip Burner Forum
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 True USB Willem Programmer (GQ-2X,3X,4X & GQ-4x4)
 25l8005m2c
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osvaldo

Argentina
148 Posts

Posted - 09/18/2009 :  19:32:10  Show Profile  Reply with Quote
I gq-4x a programmer needs to program and read data from this device 25l8005m2c I tried it and I can not comment of the forum and did not work, fffff says unknown device and I'm using TOOL-013 DIP8 read and write have some idea may be happening q I tried it four memories and feel the same

osvaldo tecnico
Reply #1

ZLM

2945 Posts

Posted - 09/18/2009 :  21:19:40  Show Profile  Reply with Quote
If you are doing in circuit programming, then you may need to power the target chip separately. Then the chip with out the VCC pin.

That because your target board may need more power than programmer can provide.

Or remove the chip off the PCB and directly place it on the programmer.
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Reply #2

osvaldo

Argentina
148 Posts

Posted - 09/22/2009 :  19:19:11  Show Profile  Reply with Quote
Assemble a pcb prototype for testing with two sockets for memory one ok and one for the memory with data q are wrong. The yanper having to switch the pcb are the tensions of the programmer and the external stress I had to make a pcb that if I wanted to extract the data memory being placed on the pcb not work and thus worked

Image Insert:

95.83 KB

osvaldo tecnico
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Reply #3

ZLM

2945 Posts

Posted - 09/23/2009 :  20:40:24  Show Profile  Reply with Quote
Sorry. I am not quite understand your post.
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Reply #4

osvaldo

Argentina
148 Posts

Posted - 09/24/2009 :  20:42:43  Show Profile  Reply with Quote
What was a adptador arme double, that is not to be making ice and putting the memory into the socket surface in a memory socket q put this well in the other socket and put the bad memory. The red LED indicates that the external stress was applied to the non-programmer ic pro jumper that put him food and mass ic not to damage the programmer and to protect the programmer ic com

Image Insert:

65.2 KB

osvaldo tecnico
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Reply #5

osvaldo

Argentina
148 Posts

Posted - 09/24/2009 :  20:44:34  Show Profile  Reply with Quote


Image Insert:

35.97 KB

osvaldo tecnico
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Reply #6

ZLM

2945 Posts

Posted - 09/25/2009 :  13:17:12  Show Profile  Reply with Quote
GOOD JOB.
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Reply #7

osvaldo

Argentina
148 Posts

Posted - 09/25/2009 :  13:48:00  Show Profile  Reply with Quote
MRZ thank you very much for your reply

osvaldo tecnico
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