Mitsubishi Electric MELSEC System Q Installation Manual page 63

4. SSCNET COMMUNICATION DRIVERS
(3) Setting the occupied addresses (SW4)
Set the addresses occupied by the interface board on the personal computer.
SW4
1
2
3
4
5
6
7
8
1) Address selection 1 to 3 (SW4-4 to 6) and occupied regions
One interface board occupies a 16K byte region.
Table 4.1 Occupied Address Regions
Occupied Address
Switch
4 5 6
OFF OFF OFF C0000h to C3FFFh
OFF OFF ON C4000h to C7FFFh
OFF ON OFF C8000h to CBFFFh
OFF ON ON CC000h to CFFFFh
ON OFF OFF D0000h to D3FFFh
ON OFF ON D4000h to D7FFFh
ON ON OFF D8000h to DBFFFh
ON ON ON DC000h to DFFFFh
Definition
Not used
Controller setting line 1
(CON1 port)
Controller setting line 2
(CON2 port)
Address selection 1
Address selection 2
Address selection 3
8/16 bit width selection
IRQ switching
Table 4.1 Occupied Address Regions
CON1 Port Region
Region
First to last
C0000h to C0FFFh
C4000h to C4FFFh
C8000h to C8FFFh
CC000h to CCFFFh
D0000h to D0FFFh
D4000h to D4FFFh
D8000h to D8FFFh
DC000h to DCFFFh
4 − 10
Default Remarks
OFF Always set to OFF.
OFF
Always set to ON.
OFF
OFF
Set the occupied addresses.
OFF For details, refer to the
following Table 4.1.
OFF
Set the bit width of the ISA
bus.
OFF Set to OFF (16 bits).
OFF : 16 bits
ON : 8 bits
OFF Always set to ON.
CON2 Port Region
First to last First to last
C1000h to C1FFFh
C5000h to C5FFFh
C9000h to C9FFFh
CD000h to CDFFFh
D1000h to D1FFFh
D5000h to D5FFFh
D9000h to D9FFFh
DD000h to DDFFFh