At 10:51 26.01.98 +0000, you wrote: >This leads to another question: how would one generate reasonably >accurate programming pulse times? EPROMs need pulse resolution >around a millisecond. From DOS, I could read the timer hardware, >but on Win95 I'd expect a message about an I/O access without >permission. As everything gets more virtual, such access becomes >less feasible. And I can't see OS writers providing facilities >for such fine-scale timing. I don't know if this is what you asked for, but you can do this from a DOS window in win95. Just clear the interrupt enable flag, and you have full control over your computer... Havard. ------------------------------------------------ HŒvard T¿rring ht@neo.no xplisit@neo.no simplisit@neo.no Norsk Elektro Optikk A/S Tel: +47 67974700 PoBox 384 Fax: +47 67974900 1471 SkŒrer. Norway