IBM 720/720C User Manual



 450MHz

1 

or Intel Mobile Pentium











Celeron:

 128KB / onboard (at processor speed);    

Pentium III:

 256KB / onboard (at processor speed)

External 3.5" 1.44MB / connects to left side with FDD port / includes case and cable

Option: 

 External via USB port or via Portable Drive Bay 2000 and 24X-10X

5

 CD-ROM Ultrabay 2000 Drive

Option: 

 External via Portable Drive Bay 2000 and drive option / no support for DVD in the Portable Drive Bay

4

 / 13ms read / Ultra DMA/33 or PIO Mode 4

12.0GB / 12ms read / ATA-66 or PIO4

7 

7 

June 2000

June 2000

June 2000

June 2000

10.4" TFT color (264.16mm) / Active Matrix
SVGA / 800x600 / 15ms refresh (typical) / 50 to 110 nits
16.7 million simultaneous colors / 150 to 1 contrast (typical)
Silicon Motion



  / DDC2B /

2MB / SGRAM (embedded) / color space conversion / multiple monitor support

26

 for Windows 98

Simultaneous LCD and CRT

26

 / 180 degree tilt / external SVGA to 1024x768 with 65,536 colors

64MB / 192MB

33

SDRAM / non-parity / 100MHz / 3.3 volt / 64-bit
1 available socket for JEDEC 144-pin SO DIMM / std memory soldered to
motherboard / socket accessed by removing three screws and keyboard
EIDE / PCI 2.1 / supports one internal disk / customer can remove
disk for upgrade (by removing three screws on base)
Keyboard palm rest / 95% size of current standard ThinkPad keyboards /
18mm key pitch
TrackPoint



 / Press-to-Select / Release-to-Select / dragging / click pace /

sensitivity / spare caps
10.2 x 8.0  x 1.05" (86 cubic inches) / 260mm x 202mm x 26.6mm

51U/52U:

  approximately 2.98 lbs (1.35 kg) with battery and disk

61U/62U:

  approximately 3.28 lbs (1.49 kg) with battery and disk

IBM ThinkPad UltraCarbon

 casing / Top: carbon-fiber reinforced plastic;

Bottom: glass-fiber reinforced plastic

51U/52U:

  Li-Ion (3 cell);

61U/62U:

  Li-Ion (6 cell);  

All:

 intelligent / left side

51U/52U:

  2.1 hrs

61U/62U:

  4.2 hrs

51U/52U:

  Optional 6 cell battery for 4.2 hrs

3.5 hrs on / 3.0 hrs off
Intel 440MX PCIset (82443MX) / combines Host Bridge and PIIX4 in single
chip / TI1211 PCMCIA controller / NS PC97338 (FDC, IR, I/O) /
PCI 2.1 / 32-bit / 33MHz (EIDE, graphics, PCMCIA, USB, audio, modem)
ISA (diskette, serial, parallel, infrared)
None
None (all standard ports already on back of system)
1 Type I or 1 Type II / CardBus 32-bit / PCMCIA 2.1 / no Zoomed Video support
One USB / one 9 pin; 16550A / one (IEEE P1284-A, EPP, ECP, bidirectional)
72 watt AC adapter
None
56K

37

 V.90 / Mini PCI Type IIIb / Lucent 1646

16-bit SoundBlaster Pro

 support / CS4281 PCI audio / CS4297A

AC97 codec
One internal speaker (.5 watt)
Internal microphone / Fn+Insert and Fn+Delete volume control with mute
Microphone jack (mono) / headphone jack (stereo) / line-in jack (stereo)
Infrared port on right side / IrDA 1.1 compatible / up to 4Mbps
Power-on password / setup password / disk password / security keyhole
1 year - carry-in or ThinkPad EasyServ



31

 (door-to-door depot repair service)

Service upgrades available based on specific ThinkPad purchased

Processor
L2 cache
Diskette drive
CD-ROM
LS-120 and CD-RW
Type-model
Processor
Disk - size / ms
Preload (see side)
Available date
Display - size and type
Display - technology

Graphics - controller

Graphics - features
Memory - std / max
Memory - features

Disk controller / disk

Keyboard

Pointing

Dimensions
Weight

2

Case material

Battery - type
Battery - life

10

Charge time

10

Architecture

Docking station
Port replicator
PC Card Std slots
USB / serial / parallel
Other features
Video (TV) out
Data/fax modem
Audio

Speaker
Audio features
Audio in/out jacks
Infrared ports
Security
Limited warranty

11

Service options

15

IBM







Toll-free hardware support during the

warranty period

Personalized web-based support
Wired for Management 1.1a compliant
DMI 2.0-compliant
PC 99-compliant
ACPI ready (APM enabled)
Setup Guide, User's Reference, Windows

OS manual, and Quick Reference Card

System Status Indicators
Reset switch on bottom
Plug and Play 1.0a
Standby, suspend, redisafe, and

hibernation modes

ENERGY STAR compliant
International Warranty Service

14

IBM SystemXtra

, 35

24 hour / 7 day

30

 telephone, fax,

electronic, and Internet
(www.ibm.com/pc/us) support

No warranties are expressed or implied in this summary

(240X)  

 IBM Corp. January 2001

All trademarks are the property of their respective owners
Withdrawn from marketing effective February 2001

- 32MB SO DIMM 100MHz NP SDRAM 20L0253
- 64MB SO DIMM 100MHz NP SDRAM 20L0254
- 128M SO DIMM 100MHz NP SDRAM 20L0255
- 12GB disk, 12ms read, ATA-66

05K9245

- High capacity 6-cell Li-Ion Battery

02K6580

- Ultraslim 72 watt AC Adapter

02K6699

- DC Auto Adapter

02K3381

- V.90 56K Intern Modem with GSM

02K4280

- 10/100 EtherJet

 CardBus Adapter

34L5301

- IBM 16/4 Token-Ring CardBus Adap

34L4801

- Smart Card Security Kit

33L5075

- IBM Portable Drive Bay 2000

19K4480

- IBM MultiPort USB Hub

00N8215

- IBM 340MB microdrive

00N8073

- IBM USB Portable CD-ROM Drive

33L5151

- IBM USB Mobile Mouse

33L3243

- IBM USB Numeric Keypad

33L3225

16

- Microsoft



 Windows



 98 Second

Edition

• Online User's Guide

• ThinkPad Configuration Program

• ThinkPad Utilities

• Access ThinkPad

• IBM Update Connector

• PC-Doctor

• ConfigSafe



• Norton AntiVirus (OEM Version)

• Universal Manageability Services (web)

✧Software Selections CD

✧Lotus



 SmartSuite



 Millennium CD

✧Recovery CD-ROM (Windows 98)

✧Recovery CD-ROM (Windows 95)

7

All models:
- C: drive is FAT16 of 2GB
- D: drive is FAT32 of remaining space

Pressing F1 during startup brings up IBM
BIOS Setup Utility

Resolution

TFT

60Hz

70Hz

75Hz

85Hz

640x480

16M 16M

--

16M

16M

800x600

16M 16M

--

16M

16M

1024x768*

64K

64K

64K

64K

   --

1280x1024

--

--

--

  --

   --

* Virtual screen mode on 10.4" LCD

- ThinkPad Proven

 solutions

12 

(visit

www.ibm.com/pc/us/thinkpad/proven)

Disks are S.M.A.R.T.

29

 compliant

16

- Windows 2000



 Professional

• ThinkPad Utilities

• Online User's Guide

• ThinkPad Configuration Program

• PC-Doctor

• ConfigSafe

• Norton AntiVirus (OEM Version)

• IBM Update Connector

• Universal Manageability Services (web)

✧Software Selections CD

✧Lotus



 SmartSuite



 Millennium CD

✧Recovery CD-ROM (Windows 2000)

✧Recovery CD-ROM (Windows NT)

40