![]() ![]() The short version of the VBox story - sidestepping issues with mouse integration, loss of input and therefore control in fullscreen mode and other fun - VBox would not recognise the TOP2004 programmer USB device, and so would keep disconnecting it. I always give VirtualBox another chance, even if I always end up regretting it. ![]() After messing about with too many versions of the TopWin software on my spare Win7/64bit PC - none with a working USB driver - I decided to set up a virtual machine with Windows XP/32bit and hopefully sidestep any OS compatibility troubles. And I didn't feel like spending $$$ on a new programmer for this - so I resolved to hack my way to success. Another annoying case of USB driver problems that turns equipment into doorstops after a few years. So the first hurdle I ran into was the fact my TOP2004 programmer, freshly dug out of old boxes, doesn't work anymore with Windows versions later than Vista. That should have been the first clue things were not going to go smoothly. They are all 32kbit (4kbyte) TMS2532 (TI) devices. The eproms are UV-erasable jobs with 3 on the MPU board and another on the interface board. I also figured this would be straightforward. Having got two of these 1062 units mostly - nearly - working, I figured it would be a good idea to back up the eproms in each one and perhaps diff them to see if one has newer firmware.
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