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