* DX/2-66, 48M, 1.3G IDE drive, NT4 Server running a DHCP server.on my lan * P90, 128M, NT4 Server with about 6 SCSI drives doing general file server duty * K6/2-400, 80M, 9G SCSI, W2K * Dual PII Xeon, 128M W2K * Dual P233MMX, 196M, (3) 9G SCSI drives, Debian Many more, but those are the ones turned …

I don't know of anything that timed specific instructions, I always use the timings from the Intel manuals when I do optimization work. Perhaps a more important effort would be to create some sort of single-step profiler that would tally up occurances of particular instructions in various apps. That …

Some of the old stuff could rely on self modifying code in certain ways that tricked the prefetch queue into executing code in the queue rather than what was in ram at the time (this defeats single stepping by debuggers). In the vast majority of cases the prefetch queue manages to catch the mod and …

If you can find a set, there were some MSDN CD's around the Win95/NT 3.51 timeframe that had a bunch of Win3x install that would work from a directory tree - no diskettes needed. Many NLS versions of Windows were on the CD's too, not just US. Might scope eBay a bit and see if you can turn one of …

Mindscapes's USS Ticonderoga claims to want a 486DX on the box packaging.

If BCD's were twiddled on a load/store such that only the high order BCD digits get chopped, then the impact would be reduced to those values in the range of the national debt. Not being in normalized form like an ordinary float is what causes the most problem - losing the bottom bits of an 80 bit …