Texas Instruments TravelMate 4000M User Reference Manual page 247

Diagnostics Program Error Codes (continued)
Code Class
1730 Video
2001 Serial
2002 Serial
2003 Serial
2004 Serial
2701 LPT
2702 LPT
2703 LPT
2704 LPT
2705 LPT
2706 LPT
2707 LPT
2708 LPT
3001 Memory
3002 Memory
3003 Memory
3701 Disk
3702 Disk
3703 Disk
3704 Disk
3705 Disk
3706 Disk
3707 Disk
Diagnostics
Failure DESCription
Cannot initialize video
Baud rate clock
Internal loopback data
Internal loopback control
External loopback data
Registers read/write
Control loopback
Printed pattern
Printer not ready
Unknown error
No paper/paper jam
Printer timeout
Printer busy
Address lines
Data patterns
Walking bits
Invalid parameter
Address mark not found
Write protect error
Sector not found
Reset failed
Change line active
Drive parameter error
Diagnostics D-9