Category : Tutorials + Patches
Archive : TXTFILES.ZIP
Filename : IRQ-PC.TXT
Output of file : IRQ-PC.TXT contained in archive : TXTFILES.ZIP
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The PC and XT has 8 prioritized levels of interrupt, with
the lower 6 (2-7) being bussed to the system expansion slots.
They are used as follows:
NMI -Parity Check, 8087
0 - Channel 0 of the Timer/Counter for Time of Day Clock
1 - Keyboard
2 - EGA Display Adapter, Most Network Adapters
3 - Secondary Asynchronous Communications (COM2:)
4 - Primary Asynchronous Communications (COM1: or AUX:)
5 - Fixed Disk Controller
6 - Diskette Controller
7 - Parallel Printer Port (PRN: or LPT1:)
Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!
This is so awesome! 😀 I’d be cool if you could download an entire archive of this at once, though.
But one thing that puzzles me is the “mtswslnkmcjklsdlsbdmMICROSOFT” string. There is an article about it here. It is definitely worth a read: http://www.os2museum.com/wp/mtswslnk/