IBM 300 Service Manual page 78

MAP 0410 (continued)
Did you find the problem?
Yes
Ask the remote operator to re-start his call from the remote NAS.
Inform the network operator that you need the complete Nways Switch
administration station to run all diagnostics on the Nways Switch administration
station.
– Power off, then, after few seconds, power on the Nways Switch administration
– A count of the computer memory appears at the upper-left corner of the display.
– If an error is detected, an error code appears under the computer memory count.
– Successful completion of POST is attained when no errors are detected in the
– The Nways Switch administration station attempts to load the operating system.
Is the POST test error free?
Yes
– Run the advanced diagnostic tests using the following procedure.
4-12
2220 Setup and Service Guide
No
030
Go to Step 032.
031
032
station.
Nways Switch administration station.
If an operating system is not found, a graphic message (icon) appears
requesting that you insert a diskette into drive A and press the F1 key to resume
operation.
No
033
– Refer to the IBM Personal Computer 300 Series, 700 Series, IntelliStation;
Hardware Maintenance Manual , S83G-7789 to identify the problem. Then
if you have to exchange a FRU, go toChapter 5. Nways Switch
Administration Station FRU and Display Exchange Procedures.
034
v Insert the Diagnostics diskette in the diskette drive.
v Switch on the Nways Switch administration station and the display using their
respective power ON/OFF switches located on the front panels.
v Do not press F1 when the icon appears.
v Several messages appear. Wait until the following window appears.