Express-> Normal Equiv?

[Champ]

I bought a T42 2378 REU but I can't find a non express equivalent so I can actually use the parts manual and such

ThinkPad T42 (IBM Express Selection)

Part Number: 2378REU
Intel Pentium M Processor 745 - 1800MHz Microsoft Windows XP Professional 512 60 CD-RW/DVD-ROM Combo 24X/24X/24X/8X Max Intel PRO/Wireless 2200BG

Operating System: Microsoft Windows XP Professional Screen: 15.0 TFT FlexView display 1400x1050 Onboard Graphic Chipset: ATI Mobility RADEON 9600 Included Modem: 56Kbps data/14.4Kbps fax Onboard Network Contoller: Gigabit Ethernet- Integrated 1000Mbps,100Mbps,10M Battery Type: 6 Cell Lithium-Ion PCMCIA Support: 2 Type II or I Type III External Speakers: 2 (Internal Speakers) Warranty: One year parts and labor (system battery: one year) Wireless:Intel PRO/Wireless 2200BG