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True USB Willem Programmer (GQ-2X,3X,4X & GQ-4x4)

GQ-4X and 27C4002

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simba

5 Posts

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.

Reply #1

anniel

2572 Posts

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.

Reply #2

anniel

2572 Posts

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

Reply #3

simba

5 Posts

Posted - 02/28/2020 : 06:09:21

Thanks anniel.

Reply #4

anniel

2572 Posts

Posted - 02/28/2020 : 06:39:05