MCUmall EPROM BIOS Chip Burner Forum
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 True USB Willem Programmer (GQ-2X,3X,4X & GQ-4x4)
 GQ-4X and 27C4002

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T O P I C    R E V I E W
simba Posted - 02/28/2020 : 05:14:56
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.
4   L A T E S T    R E P L I E S    (Newest First)
anniel Posted - 02/28/2020 : 06:39:05
quote:
Originally posted by simba

Thanks anniel.

You're welcome.
simba Posted - 02/28/2020 : 06:09:21
Thanks anniel.
anniel Posted - 02/28/2020 : 06:08:52
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
anniel Posted - 02/28/2020 : 06:06:29
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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