Monthly Archives: September 2020

Return to Stormville

A while ago I griped about a strangely ill-behaved Intel DX79SR Stormville board. To recap, the board simply refused to take any memory in the 4th memory channel. Since then, there have been very interesting new development in the story. … Continue reading

Posted in Bugs, Intel, PC hardware | 3 Comments

Really Atari ST?

This blog has previously examined a very very strange code fragment in the BIOS module of DOS. To recap, when deciding whether a boot sector might have a valid BPB, DOS checks whether the first byte is a relative jump … Continue reading

Posted in DOS, Microsoft, PC history | 18 Comments