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ECP port, LPTn base address


































































































































































































































Адреса



Размер



Назначение



02F8 - 02FF



8 bytes



COM2



0300 - 0301



2 bytes



MPU-401 (MIDI)



0330 - 0331



2 bytes



MPU-401 (MIDI)



0332 - 0333



2 bytes



MPU-401 (MIDI)



0334 - 0335



2 bytes



MPU-401 (MIDI)



0376



1 byte



Secondary IDE channel command port



0377



1 byte



Floppy channel 2 command



0377



bit 7, 1 bit



Floppy disk change, channel 2



0377



bits 0-6, 7 bits



Secondary IDE channel status port



0378 - 037F



8 bytes



LPT1



0388 - 038D



6 bytes



AdLib (FM synthesizer)



03B4 - 03B5



2 bytes



Video (VGA)



03BA



1 byte



Video (VGA)



03BC - 03BF



4 bytes



LPT3



03C0 - 03CA



11 bytes



Video (VGA)



03CC



1 byte



Video (VGA)



03CE - 03CF



2 bytes



Video (VGA)



03D4 - 03D5



2 bytes



Video (VGA)



03DA



1 byte



Video (VGA)



03E8 - 03EF



8 bytes



COM3



03F0 - 03F5



6 bytes



Floppy Channel 1















































































































































































































Адреса



Размер



Назначение



03F6



1 byte



Primary IDE channel command port



03F7 (Write)



1 byte



Floppy channel 1 command



03F7



bit 7, 1 bit



Floppy disk change channel 1



03F7



bits 0-6, 7 bits



Primary IDE channel status port



03F8 - 03FF



8 bytes



COM1



04D0 - 04D1



2 bytes



Edge/level triggered PIC



0530 - 0537



8 bytes



Windows Sound System



0604 - 060B



8 bytes



Windows Sound System



LPTn + 400h



8 bytes



ECP port, LPTn base address + 400h



0CF8 - 0CFB (*)



4 bytes



PCI configuration address register



0CF9 (**)



1 byte



Turbo and reset control register



0CFC - 0CFF



4 bytes



PCI configuration data register



0E80 - 0E87



8 bytes



Windows Sound System



0F40 - 0F47



8 bytes



Windows Sound System



0FF0 - 0FF7



8 bytes



CS4236B audio control



FF00 - FF07



8 bytes



IDE bus master register



FFA0 - FFA7



8 bytes



Primary bus master IDE registers



FFA8 - FFAF



8 bytes



Secondary bus master IDE registers



007C



bits 4-5, 2 bits



Chassis fan RPM sense selection



·         *  DWORD access only

·         ** Byte access only

7.6. Audio


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