38
Serial Port Problems (continued)
Ensure proper
default serial
port
configuration
Serial port
works OK?
Can you
eliminate all
potential software
conflicts?
Eliminate
software
conflicts
Serial port
works OK?
Plug another
device and cable
into serial ports
Serial port
works OK?
Done: Suspect
original device or
cable bad
Done: Suspect bad
OB base unit serial
port
A
Done
Done
Yes
No
No
No
No
Yes
Yes
Yes
Summary of Contents for OmniBook 300
Page 1: ...Service Manual HP OmniBook 300 425 430 530 ...
Page 5: ...iii Appendix D Part Numbers 77 ...
Page 8: ...Part 1 Product Overview Product Features Product Comparisons Product at a Glance ...
Page 15: ......
Page 16: ...Part 2 Troubleshooting OmniBook Self Test Troubleshooting Flowchart ...
Page 18: ...11 Figure 3 Serial Loop Back Connector Figure 4 Parallel Loop Back Connector ...
Page 51: ......
Page 86: ......
Page 87: ...HP Part Number 5965 0244 ...