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Software Port Names
The port naming conventions are used by initialization and serial port diagnostic
commands. Software port names for SunHSI/S ports are of the form hihN, where N
is a number in a range starting with 0 and ending at one fewer than the number of
serial ports on your machine. For example, on a system with one SunHSI/S adapter
installed, the serial ports are named hih0, hih1, hih2, and hih3.
SunHSI/S port names have the format: hihy, where y represents the port number, 0,
1, 2, or 3 for the first SunHSI/S adapter and 4, 5, 6, or 7 for the second, and so on.
For example, hih1 is the name for port 1 (the second port) on the first SunHSI/S
adapter. The name hih4 specifies port 0 on the second SunHSI/S adapter.
The software port numbers, as used in SunHSI/S port names, have the following
relation to the hardware port numbers used on each adapter:
TABLE 4-2
SunHSI/S adapter
Number
1
2
3
N
28
SunHSI/S Installation and Administration Guide • November 1998
SunHSI/S Hardware and Software Port Numbers
Hardware Port Number
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
Software Port Number
0
1
2
3
4
5
6
7
8
9
10
11
(N - 1) x 4 + 1
(N - 1) x 4 + 2
(N - 1) x 4 + 3
(N - 1) x 4 + 4
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