Unsupported Browser Detected: Dear user, the browser you’re currently using is not supported by this website. Please click here for more information about the browsers we support and how to obtain them.

Lenovo Preferred Pro Full-size PS/2 Keyboard - Overview

Preferred Pro USB Keyboard

Features and specifications

The Preferred Pro Full-size PS/2 Keyboard (31P7415 - U.S. English) provides comfort, flexibility, and durability.

It offers:

  • Detachable palm rest for additional comfort and design
  • Quiet 104-key full-size layout (includes three Microsoft Windows keys)
  • High quality keys
  • Two meter cable
  • PS/2 connector
  • Euro currency symbol included on appropriate European language keyboards
  • Multiple keyboard languages


Physical specifications
  • The Preferred Pro Full-size PS/2 Keyboard
    • Approximate weight: 2.8 lb (without palm rest)
    • Approximate height: 34 mm (1.3 in)
    • Approximate depth: 185 mm (7.3 in)
    • Approximate width: 453 mm (17.8 in)
  • Operating temperature
    • Between 10 degrees Celsius and 40 degrees Celsius
    • Between 50 degrees Fahrenheit and 104 degrees Fahrenheit
  • Relative humidity
    • Operating: between 8% and 80%


Manuals  Version
 Release Date
Setup Poster and Warranty Information (3.0 MB) Dec 2014 12 Dec 2014
User Guide (English) (1 MB) Dec 2004 11 March 2012



1 year Limited – customer carry-in exchange

  • Announce date: 4 Jun 2002 (Worldwide)
  • Available date: 11 Jun 2002 (Worldwide)
  • Effective withdrawal date: Oct 2011 for Lenovo Preferred Pro Full-Size PS/2 White Keyboard - Korean (31P7473)


Hardware compatibility
The Lenovo Preferred Pro Full-size PS/2 Keyboard is supported on compatible PCs with a PS/2 style mouse or PC-AT keyboard ports.

: For the latest updates on the compatible systems, please refer to the Accessories Compatibility Guide.
Software requirements
This keyboard is compatible with any operating system that works with standard PS/2 style mouse and keyboard drivers



  • Keyboard (unique version for each language)
  • Palm rest
  • User's guide


Agency approvals
FCC Part 15, Class B, UL 1950 (E164844), CSA C22.2 #0950-M89 (LR94275), Canada ICES-003 Class B; Canada NMB-003, Class B), CE (IEC 950, IEC 801-2, Level 3), TUV-GS ZH1/618 (R9552884), VCCI, C-Tick, MOC, BSMI, MIC, NOM


Additional product information
Service parts - Parts listing for your product
Personal Systems Reference (PSREF) - Comprehensive information on the features and technical specifications of Lenovo products.

  • Alias ID: MIGR-42731
  • Document ID: PD013224
  • Last Updated :18 Dec 2014
  • © 2015 Lenovo