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CH314A programmer help!

Earthlyhuman
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So I updated the bios on my HP prebuilt recently, and after about an hour it froze and never turned back on. I bought a bios programmer and got the drivers installed for it, but no matter how I orient the clip on the bios chip, the power light on the programmer fades and windows plays the disconnected device sound. I think I have the clip cable connected correctly, and I’m connected to the chip labeled “bios” on the motherboard. Can someone help me?

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Out of curiosity, was that thing mor or less expensive than a refurb motherboard?

Not a pro, not even very good.  I’m just old and have time currently.  Assuming I know a lot about computers can be a mistake.

 

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1 hour ago, Bombastinator said:

Out of curiosity, was that thing mor or less expensive than a refurb motherboard?

You mean that kind of USB programmer ??

Should be like around $10 at most.

 

2 hours ago, Earthlyhuman said:

So I updated the bios on my HP prebuilt recently, and after about an hour it froze and never turned back on. I bought a bios programmer and got the drivers installed for it, but no matter how I orient the clip on the bios chip, the power light on the programmer fades and windows plays the disconnected device sound. I think I have the clip cable connected correctly, and I’m connected to the chip labeled “bios” on the motherboard. Can someone help me?

 

 

IIRC, usually the most common problem is defective clip (either the clip itself or the wiring).

Although the chance of defective programmer also there (mass produced cheap stuffs common problem).

But, do recheck the connection, make sure you line up pin 1 correctly. If your USB Programmer is pinout-ed the same like the one I used to have, I think you're connecting the pin1 on the clip to pin5 on the zif socket.

 

Also, IIRC that that kind of USB programmer got a design flaw, it runs at 5v all the time on the data line atleast, while most BIOS chip runs at 2.7-3.5v. People usually mod it so that it runs at 3.3v or use a 3.3v adapter board. Just pointing it out, I might be wrong.

There is approximately 99% chance I edited my post

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7 hours ago, Poinkachu said:

Also, IIRC that that kind of USB programmer got a design flaw, it runs at 5v all the time on the data line atleast, while most BIOS chip runs at 2.7-3.5v. People usually mod it so that it runs at 3.3v or use a 3.3v adapter board. Just pointing it out, I might be wrong.

That does look exactly the same as mine which has the design flaw

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