Category:R31

ThinkPad R31, MT: 2656, 2657, 2676

This page gives an overview of the ThinkPad R31.

Processor

• Intel Mobile Pentium III-M 1000/1066/1133 MHz
• Intel Mobile Celeron 1066/1133/1200 MHz

Graphics

• Intel Extreme Graphics (32MB shared)

Chipset

• Intel 82830MG northbridge with Intel 82801CAM southbridge

Display

• 14.1" TN TFT display with 1024x768 resolution and CCFL backlight (XGA)
• 13.3" TN TFT display with 1024x768 resolution and CCFL backlight (XGA)

Memory

• 128/256MB Non-ECC PC-133 SDRAM CL3 SO-DIMM

Storage

• 2.5" 9.5mm 20/30/40GB 4200 RPM HDD IDE

Ultrabay Plus

• CD-RW/DVD-ROM 16x-10x-24x/8x IDE¹
• CD-RW/DVD-ROM 8x-8x-24x/8x IDE¹
• DVD-ROM 8x-3x IDE¹
• CD-RW 8x-4x-24x IDE¹
• CD-ROM 24x-10x IDE¹

Audio

• Intel AC'97 2.1 Audio with an Analog Devices AD1881A SoundMAX codec

Ethernet

• Intel 82562ET (10/100)

Mobile Daughter Card

• None (empty)
• Modem Daughter Card (MDC)

Mini-PCI

• None (empty)
• IBM High Rate Wireless LAN Mini-PCI Adapter with Modem

Ports

• Parallel port (DB-25)
• VGA port (DB-15)
• Ethernet port (RJ-45)
• Modem port (RJ-11)
• FireWire 400 port (4-pin IEEE 1394a-2000)²
• Type 3 CardBus slot (1x Type 3 or 1x Type 2 card)
• USB 1.1 port (x2)
• IrDA 1.1 port
• Headphone port
• Microphone port
• S-Video out port (Mini-DIN 4)
• Kensington security slot

Miscellaneous

• ThinkLight (white)
• IBM Embedded Security Subsystem²

Physical specifications

• 313mm x 254mm x 36mm (Length, Width, Height)
• 2.77 kilograms