MCUmall EPROM BIOS Chip Burner Forum
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 True USB Willem Programmer (GQ-2X, GQ-3X, GQ-4X)
 GQ-4X and 27C4002
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simba

5 Posts

Posted - 02/28/2020 :  05:14:56  Show Profile  Reply with Quote
Hello,

I want to burn some 27C4002 with my GQ-4X and his adapter, connexion and alimentation by USB3.0.
The jumper J1 is on 1/2.
The jumper J2 isn't use.
What's the poition for the jumper v5, v3 or v4 ?
Thanks.
Reply #1

anniel

2529 Posts

Posted - 02/28/2020 :  06:06:29  Show Profile  Reply with Quote
quote:
Originally posted by simba

Hello,

I want to burn some 27C4002 with my GQ-4X and his adapter, connexion and alimentation by USB3.0.
The jumper J1 is on 1/2.
The jumper J2 isn't use.
What's the poition for the jumper v5, v3 or v4 ?
Thanks.

J5 is chip compatibility jumper.
Only change it if the chip has inconsistent reading, writing.
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Reply #2

anniel

2529 Posts

Posted - 02/28/2020 :  06:08:52  Show Profile  Reply with Quote
quote:
Originally posted by simba

Hello,

I want to burn some 27C4002 with my GQ-4X and his adapter, connexion and alimentation by USB3.0.
The jumper J1 is on 1/2.
The jumper J2 isn't use.
What's the poition for the jumper v5, v3 or v4 ?
Thanks.

https://www.mcumall.com/store/index.php?route=product/product&path=62&product_id=81
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Reply #3

simba

5 Posts

Posted - 02/28/2020 :  06:09:21  Show Profile  Reply with Quote
Thanks anniel.
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Reply #4

anniel

2529 Posts

Posted - 02/28/2020 :  06:39:05  Show Profile  Reply with Quote
quote:
Originally posted by simba

Thanks anniel.

You're welcome.
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