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6. IRQ
6-1. IRQ Mapping list
Controller1
8259
Controller2
8259
Fixed ISA
Default
Power On
Default
Available Device
UP-5x00
Recommended
IRQ0
System timer
Timer
Timer
Timer
IRQ1
Keyboard
KBC
KBC
KBC
IRQ2
PIC cascade
(Cascade)
(Cascade)
✕
IRQ8
RTC/CMOS
RTC/CMOS
RTC/COMS
RTC/CMOS
IRQ9
—
IRQx
IRQx
IRQx
IRQ10
(COM4)
ISA/Serial4
Serial4/3/7/ISA
COM4
†
IRQ11
(COM3)
ISA/Serial3
Serial3/4/7/ISA
COM3
†
IRQ12
Mouse
ISA/[KBC]
ISA/[KBC]
SRN/Ethernet
IRQ13
Coprocessor
✕
✕
✕
IRQ14
Primary IDE
HDC
HDC
HDC
IRQ15
Secondary IDE
Serial7
Serial7/3/4/IRQx
Touch Panel
IRQ3
COM2
Serial2
Serial2
COM2
COM4
✕
/Serial4
✕
/Serial4
✕
IRQ4
COM1
Serial1
Serial1
COM1
COM3
✕
/Serial3
✕
/Serial3
✕
IRQ5
(LPT2)
ISA
ISA
LPT2†
IRQ6
FDC
FDC
FDC
FDC
IRQ7
LPT1
LPT1
LPT1
LPT1
†
= ER-A8RS(Serial 2ch & Parallel 1ch) may be used.
[ ] = This function is used with 0ohm Resistor, etc.
Extended Interrupt
On-Board POS Device
IRQx0
MCR (UP-E12MR2)
IRQx1
Serial5 [Built-in Printer] UP-T80BP
IRQx2
Serial6 [VFD] UP-P20DP/I20DP
IRQx3
POS Key (Not used)
IRQx4
CSIO1 I/F (Not used)
IRQx5
CSIO2 I/F (Not used)
IRQx6
FROM Busy
IRQx7
POFF
IRQx8
SINT0
IRQx9
Reserved [Mode Switch] (Not used)
IRQx10
TC0OVF
IRQx11
TC0CMP
IRQx12
TC1CMP
IRQx13
Serial4 (COM6)
IRQx14
Serial3 (COM5)
IRQx15
Clerk Switch (Not used)
5 – 5
Summary of Contents for UP-5300
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Page 105: ... B S i d e 9 4 ...
Page 106: ...3 V G A P W B A S i d e B S i d e 9 5 ...
Page 107: ...4 R i s e r P W B A S i d e B S i d e 5 T P S w i t c h P W B S w i t c h P W B 9 6 ...
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