Intermec 6100 Reference Guide
SECTION 7
Reference, System Information
PEN*KEY
R
6100 Computer Programmer’s Reference Guide 7-9
Table 7Ć4
COM1 Connector Pin-Outs
9Ćpin Connector
25Ćpin Connector
Description
2
2
TX
3
3
RX
5
7
SG
7
4
RTS
8
5
CTS
4
20
DTR
(see NOTE below)
6
6
DSR
(see NOTE below)
"
NOTE:
DTR is looped back to DSR, both at dock and at internal UART. This means there is no DTR
or DSR connection from the UART to the modem.
or DSR connection from the UART to the modem.
IRQ and Other Hardware Interrupts
The system supports the following hardware interrupts:
Table 7Ć5
Hardware Interrupts
Vector
Type
Usage
00h
processor
Divide error
01h
processor
Debug exceptions (e.g., single step)
02h
processor
Nonmaskable interrupt
03h
processor
Breakpoint
04h
processor
Overflow trap
05h
processor
Bounds exception
07h
processor
Invalid opcode
08h
IRQ0
processor
processor
Timer interrupt handler
Double exception
Double exception
09h
IRQ1
processor
processor
Keyboard interrupt handler
Coprocessor segment overrun
Coprocessor segment overrun
0Ah
IRQ2
processor
processor
Slave (cascades IRQ8 - IRQ15)
Invalid task state segment
Invalid task state segment
0Bh
IRQ3
processor
processor
Serial port 2 (COM2) (serial lid or scanner)
Segment not present
Segment not present
0Ch
IRQ4
processor
processor
Serial port 1 (COM1)
Stack fault
Stack fault
0Dh
IRQ5
processor
processor
COM4 (PC Card modem)
General protection error
General protection error
0Eh
IRQ6
processor
processor
Reserved for PC Card - (card status change)
Page fault
Page fault
0Fh
IRQ7
BATTERY DATA
10h
processor
Coprocessor error
70h
IRQ8
RealĆtime clock periodic interrupt
71h
IRQ9
Reserved for PC Card
75h
IRQ13
Reserved for PC Card
76h
IRQ14
COM3 (IrDA port)
SMI
System management interrupt
7. Reference,
System Information