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What is the common IRQ setting for COM3?

Anonymous

∙ 13y ago

Updated: 8/18/2019

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∙ 13y ago

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Related Questions

What system resources does com1 use com2 com2 com3 com4?

COM1-IRQ 4, memory addresses 03F8-03FF COM2-IRQ 3, memory addresses 02F8-02FF COM3-IRQ 4, memory addresses 03E8-03EF COM4-IRQ 3, memory addresses 02E8-02EF pg. 396

What is a correct default combination of com ports and irq for a typical ibm compatible computer?

COM1 and COM3, IRQ4

Which port names and resources are assigned to most PCs?

COM1 is assigned 3F8h and uses IRQ Channel 4, COM2 is assigned 2F8h and uses IRQ Channel 3, COM3 is assigned 3E8h and uses IRQ Channel 4

What is the standard IRQ setting for a math coprocessor?

What is the standard IRQ setting for a math coprocessor?

What is the standard IRQ setting for the system time?

IRQ 1

What is IRQ 5?

This interrupt is the first choice that most sound cards make when looking for an IRQ setting.

Which setting must a device have in order to interrupt the CPU?

IRQ

What is the standard IRQ setting for primary IDE controller?

14

List interrupts used with the IBM PC type sytems?

IRQ 0 - System timer. IRQ 1 - Keyboard. IRQ 2 - Cascaded signals from IRQs 8-15. IRQ 3 - COM2 (Default) and COM4 (User) serial ports IRQ 4 - COM1 (Default) and COM3 (User) serial ports IRQ 5 - LPT2 Parallel Port 2 or sound card IRQ 6 - Floppy disk controller IRQ 7 - LPT1 Parallel Port 1 or sound card (8-bit Sound Blaster and compatibles) IRQ 8 - Real time clock IRQ 9 - Free / Open interrupt / Available / SCSI. Any devices configured to use IRQ 2 will actually be using IRQ 9. IRQ 10 - Free IRQ 11 - Free IRQ 12 - PS/2 connector Mouse. IRQ 13 - ISA / Math Co-Processor IRQ 14 - Primary IDE. If no Primary IDE this can be changed IRQ 15 - Secondary IDE These are just a set of standard IRQs. For much more detail check our Ralf Brown's list located at http://www.cs.cmu.edu/~ralf/files.html

Which is a correct default combination of COM ports and IRQ?

Hi, correct combination of default combination of COM ports and IRQ is given below: 1. com1 and com3 - IRQ4 2. com2 and com4 - IRQ3 below link can easily explain the answer in details. You can even see this in device manager properties. i.e. mycomputer > properties > device manager> IDE/ATA controller > resources > irq=20 link : http://www.webopedia.com/quick_ref/IRQnumbers.asp

What system resources does COM3 use?

well COM1, COM2, COM3, and COM4 are sometimes configured as Serial Ports.

What IRQ does LPT1 usually use?

LTP1 should use IRQ7.

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