seaburg@uiucdcs.UUCP (seaburg ) (11/30/83)
#R:ihlpf:-22600:uiucdcs:24700032:000:364 uiucdcs!seaburg Nov 29 07:57:00 1983 The Tech Reference for the IBM PC describes the timer mentioned, although not in very great detail. Normally, the interrupt routine that gets control whenever this timer bleeps doesn't do anything else but return, so you could replace this service routine to do something tricky every time it bleeps. uiucdcs!seaburg (at least that how I remeber it to be!)