IBM 2140 Personal Computer User Manual


 
Table 2-1 (Page 5 of 23). POST and Diagnostics and Utilities Index
for Symptoms, Messages, Error Codes, or Beeps
Symptoms, Messages, Error
Codes, or Beeps
Action/FRU
General Function Failed.
Remove one adapter at a time
until the symptom goes away.
Any Adapter
System Board
Hard disk or power-on indicator
LED does not light but machine
functions normally otherwise.
Check J38(A-1), or J22(A-2) voltages, with
power-on:
J38/J22 Hard Disk
Pin Normal Running
1 0 V dc
2 0 V dc
3 +5 V dc 0 V dc
4 +5 V dc
5 +5 V dc
6 0 V dc
Pins 3,4 = Hard Disk Drive
Pins 2,4 = Power-on LED
LED connection/cable assembly
System board
Hard Drives Failed.
Hard Disk Drive test error.
Hard Disk Drive
System Board
Home Automation failures “Home Director” on page 4-17
Incorrect DOS version. Ensure you are using DOS version 3.0 or
higher.
INT Mask Register Failed.
INT Mask Register error.
Processor
System Board
Insert a CD message icon
appears when a known good
Diagnostics and Utilities CD is
inserted in the CD/DVD-ROM
drive.
Ensure the hard disk drive and
CD/DVD-ROM drive are not disabled in the
startup sequence in the Setup Utility.
Hard disk drive preloaded software
CD/DVD-ROM drive connection/cable
CD/DVD-ROM drive
System board
Intensity or color varies from left
to right of characters and color
bars.
“Monitor” on page 2-53.
System board
Invalid Date
Clock/DOS date mismatch.
RTC Battery
System Board
Check Procedures 2-15