IBM 866631Y Hardware Maintenance Manual - Page 80

Serial ports, Viewing or changing the serial-port assignments

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Table 14. 68-pin SCSI connector pin-number assignments (continued) Pin Signal Pin Signal 11 +Data 5 45 -Data 5 12 +Data 6 46 -Data 6 13 +Data 7 47 -Data 7 14 +Data P 48 -Data P 15 Ground 49 Ground 16 DIFFSENS 50 Ground 17 Term power 51 Term power 18 Term power 52 Term power 19 Reserved 53 Reserved 20 Ground 54 Ground 21 +Attention 55 -Attention 22 Ground 56 Ground 23 +Busy 57 -Busy 24 +Acknowledge 58 -Acknowledge 25 +Reset 59 -Reset 26 +Message 60 -Message 27 +Select 61 -Select 28 +Control/Data 62 -Control/Data 29 +Request 63 -Request 30 +Input/Output 64 -Input/Output 31 +Data 8 65 -Data 8 32 +Data 9 66 -Data9 33 +Data 10 67 -Data 10 34 +Data 11 68 -Data 11 Serial ports The server has two standard serial ports: serial port A and serial port B. The operating system can use and share both serial ports; however, the integrated Netfinity Advanced System Management Processor can use and share only serial port A. Some application programs require specific ports, and some modems function properly only at certain communication port addresses. You might need to use the Configuration/Setup Utility program to change communication port address assignments to prevent or resolve address conflicts. Viewing or changing the serial-port assignments To view or change the serial-port assignments: 1. Restart the server and watch the monitor screen. 2. When the message Press F1 for Configuration/Setup appears, press F1. 3. From the main menu, select Devices and I/O Ports; then, press Enter. 70 Hardware Maintenance Manual: Netfinity 7100 - Type 8666

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Table 14. 68-pin SCSI connector pin-number assignments (continued)
Pin
Signal
Pin
Signal
11
+Data 5
45
-Data 5
12
+Data 6
46
-Data 6
13
+Data 7
47
-Data 7
14
+Data P
48
-Data P
15
Ground
49
Ground
16
DIFFSENS
50
Ground
17
Term power
51
Term power
18
Term power
52
Term power
19
Reserved
53
Reserved
20
Ground
54
Ground
21
+Attention
55
-Attention
22
Ground
56
Ground
23
+Busy
57
-Busy
24
+Acknowledge
58
-Acknowledge
25
+Reset
59
-Reset
26
+Message
60
-Message
27
+Select
61
-Select
28
+Control/Data
62
-Control/Data
29
+Request
63
-Request
30
+Input/Output
64
-Input/Output
31
+Data 8
65
-Data 8
32
+Data 9
66
-Data9
33
+Data 10
67
-Data 10
34
+Data 11
68
-Data 11
Serial ports
The server has two standard serial ports: serial port A and serial port B. The
operating system can use and share both serial ports; however, the integrated
Netfinity Advanced System Management Processor can use and share only serial
port A.
Some application programs require specific ports, and some modems function
properly only at certain communication port addresses. You might need to use the
Configuration/Setup Utility program to change communication port address
assignments to prevent or resolve address conflicts.
Viewing or changing the serial-port assignments
To view or change the serial-port assignments:
1.
Restart the server and watch the monitor screen.
2.
When the message
Press F1 for Configuration/Setup
appears, press F1.
3.
From the main menu, select
Devices and I/O Ports
; then, press Enter.
70
Hardware Maintenance Manual: Netfinity 7100 – Type 8666