MCUmall EPROM BIOS Chip Burner Forum
MCUmall EPROM BIOS Chip Burner Forum
Home | Profile | Register | Active Topics | Members | Search | FAQ
Username:
Password:
Save Password
Forgot your Password?

 All Forums
 MCUmall Forums
 True USB Willem Programmer (GQ-2X, GQ-3X, GQ-4X)
 Help with GQ-4x4
 New Topic  Reply to Topic
 Printer Friendly
Author Previous Topic Topic Next Topic  

scrappysphinx

United Kingdom
26 Posts

Posted - 08/25/2020 :  04:29:32  Show Profile  Reply with Quote
Hi all, i have had my GQ-4x4 for a few years now and use it for programming retro console bios chips and amiga kickstarts.

Today i plugged it in to burn a 27c128 eprom for a sega master system bios but windows tells me it malfunctioned when inserting it into a usb2 socket. Inserting it into usb3 it appears fine and the gq software detects it and shows me the serial number. I then use the device button to select the 27c128 chip and the software starts to update the configuration but during this the programmer just starts beeping multiple times like it does when it first powers up. Despite this the software says configuration ok!

i then select the file i want to burn and click write only for the vcc light to come on but the program is frozen at 0.72%

I have tried multiple usb cables and multiple 27c128 chips but they all do the same thing

Anyone have anything i can try to get it working?

Reply #1

ZLM

2939 Posts

Posted - 08/25/2020 :  10:44:54  Show Profile  Reply with Quote
Did you change the USB cable? To communicate reliably with a programmer, a good quality USB 2.0 cable is needed.
Go to Top of Page
Reply #2

scrappysphinx

United Kingdom
26 Posts

Posted - 08/25/2020 :  11:53:25  Show Profile  Reply with Quote
As above i have tried different usb cables, 4 of them.

I have since opened it up and reflowed the solder connections on the usb port and zif socket. It then took a few tries but did eventually program the 27c128 and a 27c512 via the usb3 port. It still says its malfunctioned when plugged into a usb2 socket however.
Go to Top of Page
  Previous Topic Topic Next Topic  
 New Topic  Reply to Topic
 Printer Friendly
Jump To:
MCUmall EPROM BIOS Chip Burner Forum © Copyright 2003 - 2009 Mcumall Electronics Inc. Go To Top Of Page
Generated in 0.34 sec. Snitz Forums 2000