Product overview
The following shows an overview of the system features.
Feature Description
Processor Intel Pentium III Celeron processor
800/100, 900/100 MHz, 1 GHz, L2
cache
Bus architecture Host bus 64bits/100 MHz, PCI 32
bits/33 MHz, ISA 16 bits/8.33 MHz,
PCMCIA 16 bits/33MHz, Cardbus 32
bits/32 MHz
System memory 64 MB or 128 MB base main memory
on system board PC 133
Two 144pins SODIMM slots supports
64 MB, 128MB, 256MB, and 512MB
DIMM card
Maximum frequency: PC 133
Maximum size: 1024 MB
CMOS RAM 242 bytes + 4 Kbytes
Video Trident Cyberblade Aladdin i1 with
2D/3D Graphics accelerator.
8MB Video RAM (share with system
memory)
13.3–inch, 32 bit true colors, 1024x768
pixel TFT XGA color LCD
14.1–inch, 32 bit true colors, 1024x768
pixel TFT XGA color LCD
Audio AC97 audio based on the Ali M1535
AC link DMA engine
16–bit audio
Internal stereo speakers
Diskette drive (optional) External 1.44MB (3–mode), 3.5 inch
floppy drive via USB interface
(Bootable)
Hard disk drive 10GB, 15GB or 30GB, 2.5–inch
9.5mm height, E-IDE interface
CD-ROM drive CD-ROM: 5.25–inch, 24X speed,
E-IDE interface
DVD— ROM : 8X speed
DVD/ CD— RW : 6X DVD/ 4X, 24X
CD-RW
CD-RW
Modem Integrated CDC soft Modem based on
the Ali M1535 AC link DMA engine 56
Kbps Data/Fax Modem
54 ThinkPad R30/R31 HMM
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