FANUC Robotics America V7865* User Manual
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45
I/O Port Map
2
$0E0 - $16F
142
Reserved
$170 - $177
8
ICH7-M
Secondary Hard Disk Controller
$178 - $1EF
120
User I/O
$1F0 - $1F7
8
ICH7-M
Primary Hard Disk Controller
$1F8 - $277
128
User I/O
$278 - $27F
8
I/O Chip
Reserved
$280 - $2E7
104
Reserved
$2E8 - $2EE
7
UART*
COM4 Serial I/O*
$2EF - $2F7
9
User I/O
$2F8 - $2FE
7
Super-I/O Chip
COM2 Serial I/O
(16550 Compatible)
$2FF - $36F
113
Reserved
$370 - $377
8
Super-I/O Chip*
Secondary Floppy Disk Controller*
$378 - $37F
8
Super-I/O Chip
Reserved
$380 - $3E7
108
Reserved
$3E8 - $3EE
7
UART*
COM3 Serial I/O*
$3F0 - $3F7
8
Super-I/O Chip*
Primary Floppy Disk Controller*
$3F8 - $3FE
7
Super-I/O Chip
COM1 Serial I/O
(16550 Compatible)
$3FF - $4FF
256
Reserved
$500 - CFF
2048
Reserved
* While these I/O ports are reserved for the listed functions, they are not implemented on the
V7865. They are listed here to make the user aware of the standard PC usage of these ports.
Table 2-2 V7865 I/O Address Map (Continued)
I/O Address
Range
Size In
Bytes
HW Device
PC/AT Function