IBM ThinkPad T40 & T40p

The ThinkPad T40 is a Pentium M-based laptop released in 2003, with the T40p being a higher-end version of the same laptop. Unlike the later T42 and T43, the T40 was only available with a 14.1" display. The T40 was the first T-Series ThinkPad to use the Pentium M processor.

---

Specifications

Spec	T40	T40p
CPU	Intel Pentium M "Banias" @1.3, 1.4, 1.5, or 1.6GHz	Intel Pentium M "Banias" @1.3 or 1.6GHz
RAM	2x PC-2700 DDR Slots - 256MB, 512MB, or 1GB Standard - 2GB Maximum	2x PC-2700 DDR Slots - 512MB Standard - 2GB Maximum
Hard Disk	IDE 2.5" - 30, 40, or 80GB Standard	IDE 2.5" - 40 or 60GB Standard
Display Options	- 14.1" TN LCD @1024x768 - 14.1" TN LCD 1400x1050	- 14.1" TN LCD @1400x1050
GPU Options	- ATI Mobility Radeon 7500 w/ 32MB VRAM - ATI Mobility Radeon 9000 w/ 32MB VRAM	- ATI Mobility FireGL 9000 w/ 64MB 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	UltraBay Slim with one of the following drives: - DVD-ROM/CD-RW Combo
PC Cards	2x PCMCIA/CardBus slots (2x Type II/1x Type III)
Networking	- Modem (Standard) - 10/100 or 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

T40s 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.

---

Gallery

Coming soon.

---

Page last updated (MM/DD/YYYY): 11/15/2024
Update Reason: pages consolidated

Back-Navigation

Home < Laptop Portal < IBM < ThinkPad T40 & T40p