IBM 2074, Информация по установке и обслуживанию

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Maintenance Manual and Troubleshooting Guide
″
. The NMI button is located at
the bottom of the back of the server (near Slot 6).
If you are not able to force an NMI dump, then press the
″
reset
″
switch. You should
then disable the screen saver until the problem is corrected. To disable the screen
saver, do the following:
1. Right mouse click on a blank area of the desktop.
2. Left click on
″
properties
″
.
3. Select
″
no automatic lockup
″
.
4. Exit the window.
Note: When the screen saver is displayed all keystrokes other than the password
and
ENTER are ignored. Again, that means CTRL-ALT-DEL or
CTRL-ALT-F10+F10 are ignored.
Client Terminal Session Troubleshooting
Let us begin by explaining the terms client and session .
Client This refers to the customer’s workstation or PC on which the 3270
Emulation program is being run.
Session
This refers to the 3270 Emulator session.
The three basic problems are:
v No session?
v Session drops?
v Things not working correctly?
For No Session:
To determine a connection problem, use the
″
/Q
″
option for LAN3274.EXE. Refer to
LAN3274.DOC for guidance. To view this document, use the
″
E
″
editor by doing:
E C:\2074\LAN3274.DOC
from an OS/2 Window command prompt.
The /Q option will show currently active connections both to the Host and to the
Client by address, from the 2074’s perspective. Issue from an OS/2 window the
command:
LAN3274 CAx ALL /Q | MORE (with x = 0 or 1)
Here is a sample command output (for a complete description of all fields, see the
LAN3274.DOC document as instructed above):
CI DI CA:L:P:CU:UA Client IP Address T C H R LUNane RTO Idle
-- -- ------------ ----------------- - - - - -------------- ---- -------
01 00
0:0:0C:1:60 192.101.35.122 T Y N Y TC9CN0 0060 24hr
02 01 0:0:0C:1:61 (none) T N N Y TC9CN1 0060 N/A
05 04 0:3:0C:1:60 192.101.35.122 T Y Y Y TC9CZ10 0060 00:06:29
Figure 2-2. Sample Output for LAN3274 Query Command
2-6
: 2074 Console Support Controller Installation and Maintenance Information
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