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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[ct\-user\]\s+Keying\s+from\s+High\s+IRQ\s+COM\s+Port\?\s*$/: 5 ]

Total 5 documents matching your query.

1. [ct-user] Keying from High IRQ COM Port? (score: 1): Author: Bob Schreibmaier <k3ph@dxis.monroe.pa.us> (Bob Schreibmaier); Date: Sun, 5 Dec 1999 13:01:14 -0500; I have an old MS-DOS 6.22 PC I use for contesting. The COM1 and COM2 ports are taken up by packet and RTTY, by programs that don't seem to be able to deal with nonstandard IRQs. I have a COM3 port se; /archives//html/CT-User/1999-12/msg00031.html (7,947 bytes)
2. [ct-user] Keying from High IRQ COM Port? (score: 1): Author: Bob Naumann - N5NJ" <n5nj@gte.net (Bob Naumann - N5NJ); Date: Sun, 5 Dec 1999 20:07:30 -0000; You don't say it but it sounds as though you have been unsuccessful trying to use com3 with IRQ 9. This is common. Try another available IRQ for com3. It's been a while, but I believe that all the hi; /archives//html/CT-User/1999-12/msg00036.html (9,516 bytes)
3. [ct-user] Keying from High IRQ COM Port? (score: 1): Author: Tyler Stewart" <k3mm@ex-pressnet.com (Tyler Stewart); Date: Sun, 5 Dec 1999 17:24:07 -0000; It's much wiser to use an LPT port for PTT and Cw Keying. These are output-only funtions and easily handled by the printer port lines. Reserve COM ports for I/O functions: Packet modems, Mice, Radios; /archives//html/CT-User/1999-12/msg00040.html (7,643 bytes)
4. [ct-user] Keying from High IRQ COM Port? (score: 1): Author: Tyler Stewart" <k3mm@ex-pressnet.com (Tyler Stewart); Date: Sun, 5 Dec 1999 21:43:50 -0000; Usually, LPT1 will use IRQ 7 if it is set up in a bidirectional mode (SPP, ECP, EPP). This is necessary for some printers and for scanners and other specialized hardware. Otherwise it is not needed.; /archives//html/CT-User/1999-12/msg00042.html (7,992 bytes)
5. [ct-user] Keying from High IRQ COM Port? (score: 1): Author: Waldemar Krzok" <Waldemar@zedat.fu-berlin.de (Waldemar Krzok); Date: Mon, 6 Dec 1999 11:30:10 +0100; Just to clear: you are not sharing inerrupts at this point. IRQ2 is used for chaining the 2nd interrupt controller, IRQ9 is physsically mapped to IRQ2, i.e. the line 2 from 2nd controller is connect; /archives//html/CT-User/1999-12/msg00046.html (8,594 bytes)

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