Texas Instruments TravelMate 4000M User Reference Manual page 243

Monochrome Adapter Test
Attribute test
Character test
Text test
Memory test
Color Graphics Adapter Test
Attribute test
Character test
Text test
Page test
Graphics test
Background test
Memory test
Adapter Test
EGA
Attribute test
Character test
Text test
Page test
Graphics test
Background test
Memory test
Adapter Test
VGA
Attribute test
Character test
Text test
Page test
Graphics test
Background test
Memory test
Parallel Port Test
Internal loopback
Printed pattern (requires connected printer)
External loopback (requires loopback connector)
Diagnostics
Diagnostics D-5