IBM ThinkPad T40 series Service And Troubleshooting Guide

Message Solution
0280: Previous boot
incomplete
Your computer was previously unable to complete the boot process.
Turn the computer off; then turn it on to start the IBM BIOS Setup Utility.
Verify the configuration and then restart the computer either by choosing
the Exit Saving Changes option under the Restart item or by pressing F10.
If you still see the same error code, have the computer serviced.
02D0: System cache error The cache is disabled. Have the computer serviced.
02F4: EISA CMOS not
writable
Have the computer serviced.
02F5: DMA test failed Have the computer serviced.
02F6: Software NMI
failed
Have the computer serviced.
02F7: Fail-safe timer NMI
failed
Have the computer serviced.
1802: Unauthorized
network card is plugged
in - Power off and
remove the Mini-PCI
network card.
The Mini-PCI network card is not supported on this computer. Remove it.
1803: Unauthorized
daughter card is plugged
in-Power off and remove
the daughter card.
The daughter card is not supported on this computer. Remove it.
Solving computer problems
Chapter 2. Solving computer problems 15

IBM ThinkPad T40 series Specifications

General

Processor	Intel Pentium M (1.3 GHz - 1.7 GHz)
Chipset	Intel 855PM
Hard Drive Interface	ATA-100
Modem	56K V.92
Release Year	2003
RAM	256 MB - 2 GB (DDR SDRAM)
Storage	30 GB - 80 GB (HDD)
Display	14.1"
Graphics	ATI Mobility Radeon 7500 or 9000
Optical Drive	DVD-ROM/CD-RW Combo
Operating System	Windows XP Professional
Weight	2.2 kg (4.9 lbs)
Battery	Li-Ion
Wireless	Intel PRO/Wireless 2100
Ethernet	10/100 Mbps
Ports	2 x USB 2.0, VGA, RJ-11, RJ-45, Audio In/Out
Dimensions	311 mm x 255 mm x 26.6 mm (12.24" x 10.04" x 1.05")