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Features
The 420CDT/420CDS (420 Series) is one of the lightest and most advanced portable comput-
ers available. Utilizing advanced technology and high-speed components, the 420 series
offers multimedia functions, excellent display legibility, battery operation, and IBM PC/AT
compatibility. The 420 series system unit consists of the following features:
Microprocessor
An Intel Pentium processor with Voltage Reduction Technology (VRT) that operates
at 100 MHz and 3.3/2.9 volts.
Disk storage
The 420CDT has an internal 1.3 billion byte (1.26 GB) or 810 million byte (770 MB)
Hard Disk Drive (HDD). The 420CDS has an internal 810 million byte HDD. A 3.5-
inch Floppy Disk Drive (FDD) supports 2HD (1.44 MB) floppy disks and 2DD (720
KB) floppy disks. The FDD can also be installed in an attachment for connection as an
external device.
CD-ROM Drive
A full-size, six-speed CD-ROM drive module can be installed instead of the FDD
module. The CD-ROM drive contains an ATAPI (AT attachment packet interface)
interface controller, and supports the following formats: audio CD, photo CD, CD-
plus, and ISO 9660.
Memory
Standard with 8 MB of CMOS RAM. This includes 640 KB of conventional memory
and 7360 KB of extended memory, which can be utilized as expanded memory com-
patible with the Lotus/Intel/Microsoft Expanded Memory Specification (LIM-EMS).
Display
The 420CDT has an 11.3-inch, Thin Film Transistor (TFT) color LCD with 800 x 600
pixels. The 420CDS has an 11.3-inch Dual-scan Supertwist Nematic (DSTN) color
LCD with 800 x 600 pixels. The built-in display controller supports 800 x 600 resolu-
tion with 16M colors capability and up to 1280 x 1024 resolution with 256 colors on
an external CRT.
Keyboard
An-easy-to-use 82/84-key keyboard provides a numeric keypad overlay for fast nu-
meric data entry or for cursor and page control. The keyboard supports software that
uses a 101- or 102-key enhanced keyboard.
420 Series
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