Getting rid of wrong Windows10 drivers (Clonix/Nov)

[Diego Diaz]

Hi Sylvain,

Since logistics troubles and delays are fairly common lately, I ordered three lots of 5 units from three different sellers.

Much to my surprise the first lot arrived about three weeks later and I began with the tests.

The chip in that units is the FT232BL (QFP). It uses external Xtal oscillator and the latest revision on its datasheet is from 2011, so I was a bit concerned; but they worked like a charm.

Few days later (not more than 10) the two remaining orders arrived. These were both identical, same cable, same wiring and same interface chip: FT232RL (SSOP) with internal oscillator (no Xtal).

The "RL" revision seems to be an active one (latest datasheet version 21-05-2020) and also performs without problems in the several test.

Testing procedure for the 82143A emulation consists in several "PRP" commands of the "PRPLOT" program inside the USB-41 (Clonix-like) memory area. So both 'sides' of the module's interface is tested.

Then, after reconfiguring for page transfer function; a .ROM file (MATH-1A.ROM in fact) was sent to HEPAX RAM page #B and later received back from the HEPAX RAM to a temporary .ROM file (MATES-1A.ROM) then both files are bitwise compared using an hexadecimal file editor (WinHEX.exe).

The prodedure was repeated several dozen times without errors using both types of FT232 chips on WIn 7 & 10 (32 & 64bits) so I'm confident they will perform as expected.

Hope you find this info useful.

Best wishes and keep safe.

Diego.