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ThinkPad Portable 20GB Hard Disk Drive - Overview
Parts information

At a glance

The ThinkPad Portable 20GB Hard Disk Drive is an economical, transportable PC Card (PCMCIA) attached external hard disk drive that is powered by your ThinkPad notebook. This external hard disk drive offers additional backup and storage capacity for your data and applications.

  • External hard disk drive back-up
  • Additional hard disk drive storage
  • Upgradable to future larger capacity hard disk drives
  • Substitute for ThinkPad A, T, and X Series system hard disk drive


1 year Limited - customer carry-in exchange


You will receive one box containing the following items:

  • Portable drive bay
  • PCMCIA IDE card and cable
  • Audio cable
  • Device bay stand
  • Three AA batteries
  • Option diskette
  • UltraslimBay 2nd hard disk drive adapter
  • 20GB hard disk drive
  • User's Guide and other publications

Product dates


  • Announce date: 9 Oct 2001
  • Planned availability date: 26 Oct 2001

Technical specifications

  • UltraslimBay enclosure included plus UltraslimBay 2nd hard disk drive adapter and 20GB hard disk drive
  • PCMCIA attachment to PCMCIA Type II slot via PCMCIA IDE card
  • PCMCIA card compartment
  • Two status LEDs
  • Three AA batteries for supplemental power
  • Stand for optional vertical mounting
  • Driver diskette

Performance specifications as known at time of announcement

  • Capacity: 20GB
  • Data Transfer Rate: 15.6-29.4 MBps
  • Read seek time (Typical): 12 ms
  • Rotational Speed: 4200 RPM
  • Data Buffer: 2 MB
  • Burst Rate: 33.3 MB/s (Ultra DMA Mode)
  • Latency: 7.1 ms (average)
  • Interface: PC Card

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


  • lb: 1.3
  • g: 600

Approximate height

  • inches: 1.14
  • mm: 29
Approximate width
  • inches: 6.5
  • mm: 165
Approximate depth
  • inches: 7.2
  • mm: 183

Operating temperature

  • Between 10 degrees Celsius and 40 degrees Celsius
  • Between 50 degrees Fahrenheit and 104 degrees Fahrenheit

Relative humidity
Operating: between 15% and 80%

Agency approvals

  • CE Mark
  • UL
  • C-UL
  • FCCI
  • VCCI
  • C-TICK
  • ICES


Hardware compatibility

The ThinkPad Portable 20GB Hard Disk Drive is supported on the following systems:

DescriptionMachine typeModel
ThinkPad R Series2656All
ThinkPad X Series2660, 2661, 2662All
ThinkPad TransNote2675All
ThinkPad i Series1161, 1171, 2666,All
ThinkPad T Series2647, 2648All
ThinkPad A Series2628, 2629, 2633,All
2655, 2663, 2664,All
2652, 2653, 2654All

Supported operating systems

  • Microsoft Windows 95 (not supported on machine type 2656)
  • Windows NT 4.0
  • Windows 98
  • Windows 2000
  • Windows Me


NOTE: Some configurations may not be compatible.

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

Staat Verfügbarkeit
Dokument-ID : PD001358
Legacy Document ID : MIGR-39489
Zuletzt aktualisiert :
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