Device
Mapping
Table
D-2.
1/0
Address
Map
(continued)
Range Function
(in hex)
OFC:OFF
Reserved for numeric coprocessor
i-----
170:171
Secondary
RTC
(not
used)
1F0:1F8 IDE controller
200:20C
LAN
registers
2B0:2BF
TIGA graphics
video
2F8:2FF
COM2
340:35C
SCSI registers
278:37F
LPTt
3B0:3DF
Video
(EGA,
VGA,
etc.)
3C0:3CF
P...:gisters
-
3F0:3F7
Floppy disk controller
3F8:3FF
Corona configuration port 1
(COMl)
800
Corona configuration port A (write/read)
804
Corona configuration port B (read only)
808
c~-~·-~ma
configuration port c (write/read)
soc
Corona configuration port D (write/read)
46E8
VGA
DECpc
433
Workstation Service Guidl'!
D-3
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