IBM ThinkPad T42 & T42p
The ThinkPad T42 is a Pentium M-based laptop released in 2004, with the T42p being a higher-end version of the same laptop. Both were available in two cases - one with a 14.1" display, and another with a 15.0" display.
Specifications
| Spec | T42 | T42p |
|---|---|---|
| CPU | - Intel Pentium M "Banias" @1.5GHz - Intel Pentium M "Dothan" @1.6, 1.7, 1.8, or 2.0GHz |
Intel Pentium M "Dothan" @1.7, 1.8, 2.0, or 2.1GHz |
| RAM | 2x PC-2700 DDR Slots - 256MB, 512MB, or 1GB Standard - 2GB Maximum |
2x PC-2700 DDR Slots - 512MB or 1GB Standard - 2GB Maximum |
| Hard Disk | IDE 2.5" - 30, 40, 60, or 80GB Standard |
IDE 2.5" - 20, 60, 80, or 100GB Standard |
| Display Options | - 14.1" TN LCD @1024x768 - 14.1" TN LCD 1400x1050 - 15.0" TN LCD @1024x768 - 15.0" IPS (FlexView) LCD @1400x1050 |
- 14.1" TN LCD @1400x1050 - 15.0" IPS (FlexView) LCD @1600x1200 |
| GPU Options | - ATI Mobility Radeon 7500 w/ 32MB VRAM - ATI Mobility Radeon 9000 w/ 64MB VRAM - ATI Mobility Radeon 9600 w/ 64MB VRAM |
- ATI Mobility FireGL T2 w/ 128MB VRAM |
| Audio | AC97 Compatible | |
| Main Battery | Lithium Ion | |
| CMOS Battery | Proprietary Lithium | |
| Power Supply | Standard 16V barrel jack | |
| Disk Drives | UltraBay Slim with one of the following drives: - DVD-ROM - DVD-ROM/CD-RW Combo - DVD-RW |
UltraBay Slim with one of the following drives: - DVD-ROM/CD-RW Combo - DVD-RW |
| PC Cards | 2x PCMCIA/CardBus slots (2x Type II/1x Type III) | |
| Networking | - Modem (Standard) - Gigabit Ethernet (Standard) - WiFi (Optional) - Bluetooth (Optional) |
- Modem, Gigabit Ethernet, WiFi, and Bluetooth all standard |
| Other I/O | - 1x Parallel - 1x VGA Out - 2x USB 2.0 - 1x S-Video Out - 1x Line Out - 1x Mic In |
|
| BIOS | IBM BIOS | |
| Pointing Device | Ultranav (TrackPoint + Trackpad) | |
Resources
 Drivers |
 Service Manual |
|---|
Common Faults & Maintenance
Solder Failure
T42s commonly suffer from BGA solder failure on the GPU, which will first result in instability/crashing, and will eventually progress to a No-POST condition. This can be fixed temporarily be reflowing the chip, or permanently by reballing it.
Page last updated (MM/DD/YYYY): 11/16/2024
Update Reason: pages consolidated
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