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

Preferred Pro USB Keyboard

At a glance

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


  • 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


1 year Limited - customer carry-in exchange


You will receive one box containing the following items:

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

Product dates


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

Physical, environmental, and compatibility specifications as known at time of announcement

Physical specifications (Unpackaged)
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%

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

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.
Note: 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.


Service Parts
Lenovo Support: Keyboard and Numeric Keypads - Reference list- A list of other keyboards and numeric keypads


If you are unable to find what you are looking for, please do try the following options:
1. Lenovo Assisted Search
2. Product usage and general troubleshooting tips
3. Lenovo Support Forum
4. Technical Support Call Centre

Document ID : PD013224
Legacy Document ID : MIGR-42731
Last Updated : 16 May 2013
Copyright © Lenovo 2013, all rights reserved
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