See http://www.microsoft.com/winlogo/hardware/.
B6.1.5.2 DELETED
Modems are not required on any system.
FAQ Date: January 31, 2001
B6.1.5.3 Unimodem required commands [Clarification]
See B6.1.4.2.1
B6.1.5.4 Voice recording and playback capabilities [Logo Program correction]
The FAQ is incorporated at B6.1.4.2.8.
B6.1.5.6 WDM support for driver-based modems [Logo Program clarification]
See B6.1.1.5
B6.1.5.7 Total execution time for DPCs queued by a WDM modem [Clarifications]
Note: Total execution time for DPCs is a recommendation. This is not tested.
At any instant in time, the total execution time for all delayed procedure calls (DPCs) that have been queued by a WDM driver-based modem, but have not dequeued and started executing, should not exceed 500 milliseconds.
A WDM driver-based modem should not continuously disable thread preemption for more than 4.4 milliseconds. This guideline accommodates 400 microseconds of interrupts being disabled together with two back-to-back episodes of 2.0 milliseconds of extended processing at DISPATCH_LEVEL, as up to four 500-microsecond DPCs execute sequentially.
FAQ Date: October 7, 1998
B6.1.5.8 WDM modem latency tolerances [Clarifications]
Note: WDM modem latency tolerance is a recommendation. This is not tested.
A driver-based modem should be able to tolerate:
-
A period of 4 milliseconds with interrupts disabled.
-
A continuous period of 8 milliseconds during which a queued DPC is held off from execution, possibly by other DPCs.
-
A 16-millisecond period when thread scheduling is continuously disabled.
FAQ Date: October 7, 1998
B6.1.5.9 DELETED
Note: There is no Wake on Ring requirement for modems.
B6.1.5.10 Analog modem correctly reports caller ID [Clarification]
FAQ incorporated at B6.1.4.2.7
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