UP-5900VS
CIRCUIT DESCRIPTION
5 – 5
6. INTERRUPT
6-1. IRQ MAPPING
= No Using
[ ] = This function is used with 0ohm Resistor, etc.
• IRQ9 (SCI) is assigned for interruption of POS Device, and does not support ACPI.
• IRQ10 is reserved for interruption of Serial4.
Master 8259
Slave 8259
Fixed ISA Default
Power On Default
Available Device
UP-5900 Recommended
IRQ0
System timer
Timer
Timer
Timer
IRQ1
Keyboard
KBC
KBC
KBC
IRQ2
PIC cascade
(Cascade)
(Cascade)
u
IRQ8
RTC/CMOS
RTC/CMOS
RTC/COMS
RTC/CMOS
IRQ9
—
IRQx
IRQx
IRQx
IRQ10
(COM4)
ISA/Serial4
Serial4/3/7 / ISA
Serial4
IRQ11
(COM3)
ISA/Serial3
Serial3/4/7 / ISA
Serial3
IRQ12
Mouse
PCI/(ISA)/[KBC]
PCI/(ISA)/[KBC]
PCI
IRQ13
Coprocessor
u
u
u
IRQ14
Primary IDE
HDC
HDC
HDC
IRQ15
Secondary IDE
Serial7
Serial7/3/4 / IRQx
Touch Panel
IRQ3
COM2
Serial2
Serial2
COM2
COM4
u
/Serial4
u
/Serial4
u
IRQ4
COM1
Serial1
Serial1
COM1
COM3
u
/Serial3
u
/Serial3
u
IRQ5
(LPT2)
ISA
ISA
PCI
IRQ6
FDC
FDC
FDC
FDC
IRQ7
LPT1
LPT1
LPT1
LPT1
Extended
Interrupt
On-Board POS Device
IRQx0
MCR
For UP-E12MR/E12MR2/J12MR2
IRQx1
Serial5 [Built-in Printer]
For UP-T80BP
IRQx2
Serial6 [VFD]
For UP-P20DP/I20DP
IRQx3
POS Key
(BE-8500)
IRQx4
CSIO1 I/F
For POS key I/F(BE-8500)
IRQx5
CSIO2 I/F
For ER-A8DP(UP-5700)
IRQx6
FROM Busy
IRQx7
POFF
IRQx8
SINT0
IRQx9
Reserved [Mode Switch]
not use
IRQx10
TC0OVF
IRQx11
TC0CMP
IRQx12
TC1CMP
IRQx13
Serial4 (COM6)
Reserved
IRQx14
Serial3 (COM5)
IRQx15
Clerk Switch
Only for V Model