Jo22: I've seen your videos about RTTY. In the 1980, I wrote a program in assembler for the TRS-80 's Model I Z-80 processor to decode 45 and 50 bauds RTTY by just using the casette audio input from a SSB ham receiver. I also wrote several RTTY receiving programs for the TRS-80 Model I and III in …

I just found the program in Simtelnet. It was: Y2KCOR.EXE At the beginning of autoexec.bat just add: y2kcor.exe 2019 Thanks for all your help.

Jo22: the programs you posted are for diagnostics and one for correction for the Phoenix Bios. Unfortunately I have Award Bios.

Thanks Jo22. I'll try them.

I have a PC-CHIPS M-912 motherboard ( AMD 486DX4) that cannot memorize years after 2000. From 2000 to 2005 I used a small program ( ???.com) added to the autoexec.bat file that automatically corrected the year date until the computer was switched off. I remember I had to change the year to the …

The M-321 Mainboard User's Guide gives no instructions on how to change the divider.

Probably, divided by 8 means with respect to the 80 MHZ crystal oscillator ===> 10 MHZ bus..

........ Synchronous AT bus clock with programmable clock (divided by eight)

I daily use a M321 board to navigate the Internet with Lynx and Links. Excellent board, more than 25 years of use without a single problem. The M-321 80386 Mainboard User's Guide gives as one of it's Key Features: Synchronous AT bus clock with programmable clock (divided by eight). It also states …

Filename IMG_0746.JPG File size 1022.83 KiB Views 923 views I used an old fan and heat-sink from a 486, cemented with a very very thin layer of epoxi glue.