Sample 1 - IBM 8237 Installation And User Manual

Sample 1

The following example is typical of the display when you power ON a Model 001
hub. You can scroll up and down in this display.
IBM 8237 Stackable Ethernet Hub 10BASE-T Model 001
Power-up System Self-Diagnostic Process
V1.00 6-30-1997 Copyright(C) IBM Corp.
SYSTEM TESTS :
----------------------------------
Boot FLASHROM checksum test ... Pass
EEPROM test ... Pass
System SRAM test ... Pass
HIMIB test ... Pass
eIMR+ test ... Pass
FEM test ... Not Detected
----------------------------------
SYSTEM TESTS COMPLETED
Press any key to continue ...
Figure 4-1. Example of Self-Test Results for a Model 001
If any of the tests indicates FAIL, replace the field-replaceable unit (FRU) indicated
in the following list. Replacement procedures are detailed in "Installation, Removal,
and Replacement Procedures" on page 4-8.
Boot FLASHROM test  Replace 8237 microcode. Next, replace the 8237.
EEPROM test  Replace the 8237.
System SRAM test  Replace the 8237.
HIMIB test  Replace the 8237.
EIMR+ test  Replace the 8237.
FEM test  Replace the Fast Expansion Module.
IBM 8237 Stackable Ethernet Hub 10BASE-T Model 001
Power-up System Self-Diagnostic Process
V1.00 6-30-97 Copyright(C) IBM Corp.
SYSTEM TESTS :
------------------------------------------
Boot FLASHROM checksum test ... Failed
Press <ENTER> to start Xmodem download:
Figure 4-2. Example of Microcode Failure for a Model 001
4-4
8237 Hub Installation and Planning Guide