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4. NC Card (HR621/HR623/FCU6-HR655) Connection
4.4 ISA NC Card Mounting
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4.4.2 ISA NC Card Mounting Procedure
Install the software and mount the NC Card following the Setup Instruction Manual (BNP-B2191).
The software will not be installed correctly if the software installation and NC Card mounting procedure
are mistaken.
Mount the NC Card onto the personal computer with the following procedures.
(1) Set the DPADR, IOPADR and IRQ rotary switches according to the personal computer memory
region, I/O port region and interrupt request signals designated when installing the software.
(Note) Before touching the NC Card, touch an exposed metal section of the personal computer to
discharge any static electricity.
Pay attention not to touch the NC Card, personal computer chip or circuit.
DPADR IOPADR IRQ
DPADR
IOPADR
IRQ
Location of ISA NC Card (HR621) rotary switches
Location of ISA NC Card (HR623) rotary switches
Roles of each rotary switch
DPADR : This is used in the address setting of the personal computer expansion region.
IOPADR : This is used in the address setting of the personal computer I/O port region.
IRQ : This is used in the level setting of the interrupt request signal to the personal computer CPU.
DPADR setting IOPADR setting IRQ setting
Switch Expansion region Switch I/O port region Switch
Interrupt
request signal
0 h0D_8000~h0D_FFFF 0 h0120-h0123 0 None
1 h0D_0000~h0D_7FFF 1 h0140-h0143 1 IRQ5
2 h0C_8000~h0C_FFFF 2 h0160-h0163 2 IRQ7
3 h0C_0000~h0C_7FFF 3 h0180-h0183 4 IRQ9
4 RESERVED 4 h01A0-h01A3 8 IRQ10
5 RESERVED 5 h01C0-h01C3
6 RESERVED 6 h01E0-h01E3
7 RESERVED 7 h0200-h0203
8 RESERVED 8 h0220-h0223
9 RESERVED 9 h0240-h0243
A RESERVED A h0260-h0263
B RESERVED B h0280-h0283
C RESERVED C h02A0-h02A3
D RESERVED D h02C0-h02C3
E RESERVED E h02E0-h02E3
F RESERVED F h0300-h0303