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Installing a DigiCHANNEL PC/4, PC/8, or PC/16 and
Table D-5
Serial Ports for First DigiCHANNEL PC/4, PC/8 in IBM PC, XT, andAT
Port No.
(Note 2)
Comline Nam
(Note 3)
Port Addr
(Note 4)
IRQ
(Notes 4&5)
Shared I/O
Addr
(Notes 4&5)
Status Mask
1
COM2
100H
3H
140H
0H
2
COM3
108H
3H
140H
1H
3
COM4
110H
3H
140H
2H
4
COM5
118H
3H
140H
3H
5
COM6
120H
3H
140H
4H
6
COM7
128H
3H
140H
5H
7
COM8
130H
3H
140H
6H
8
COM9
138H
3H
140H
7H
NOTE 1. The DigiBoard DigiCHANNEL PC/4 and PC/8 were formerly called DigiCHANNEL COM/4 and COM/8
respectively. If you are installing a second DigiCHANNEL PC /8 board, see TableD-6, “ Serial Ports for Secon
DigiCHANNEL PC/8 in IBM PC, XT, and AT,” on pageD-10, for more Comline definitions. Refer to the appropriate
hardware manual for other port addresses, IRQs Shared I/O addresses, and status masks.
NOTE 2. DigiBoard DigiCHANNEL PC/4 boards only use Ports 1 through 4.
NOTE 3. If your personal computer has a physical COMport before the Digiboards are added, see the following tables
show the numbering sequence for data ports:
• Table D-5, “Serial Ports for First DigiCHANNEL PC/4, PC/8 in IBM PC, XT, andAT ,” on pageD-9
• Table D-6, “Serial Ports for Second DigiCHANNEL PC/8 in IBMPC,XT, and AT ,” on pageD-10.
In this case, the first port of the digiboard would be labeled COM 2.
If your computer has more than one physical COM port before installing the Digiboard, the number of the first
Digiboard port would rise respectively.
REMEMBER: no matter how many physical COM ports your computer has, ALWAYS number the first DigiBoard port
address at 100H
NOTE 4. The options shown are the factory default options. Use only IRQ 2, 3, 4, or 5 or your PC may not work with
Access Manage . If IRQ 2 or 4 is used, the Shared I/O Address for this board should be 141H.
NOTE 5. If you plan on using your PC’s built-in serial port as a Access Manager comline, first you must configure the
comline to match the hardware switches for these ports. Configuring them in any other way may cause your system to
lock-up.
Access Manager 2000 User Manual
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