Compaq 4150T, 4130T Display Options, Secondary Cache, Mobile CD Expansion Unit, Convenience Base

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1.4.2Display Options

The 4100 Family models with 11.3-inch, 11.8-inch, or CSTN displays can be upgraded to an 12.1-inch Color Thin Film Transistor (CTFT) SVGA display.

1.4.3Secondary Cache

The 4200 Family models are equipped with 256-KB or 512-KB secondary (L2) cache of write-back/write-through cache on the system I/O board.

Models 4110 through 4160T of the 4100 Family are equipped with 256-KB of write- back/write-through cache on the system I/O board.

1.4.4Mobile CD Expansion Unit

The Mobile CD-ROM Expansion Unit provides the following multimedia capabilities:

■CD-ROM drive

■Integrated stereo speakers

■Game port with MIDI support

■Dedicated battery bay

The CD-ROM drive is available in the optional MCD Expansion unit. The drive supports the following formats:

■ISO-9660, the most common CD-ROM format

■CD-ROM XA eXtended Architecture, a standard for storing multimedia information

■Photo CD (Kodak's format for storing photographic images on CD-ROM)

1.4.5Convenience Base

The convenience base provides the following added capabilities:

■Pass-through ports (serial, parallel, and video)

■Expansion features (mouse and keyboard ports, network support)

■Five-degree tilt for the notebook keyboard

■Charging of batteries in the system

■Integrated Ethernet (available on models with Ethernet capability)

1.4.6Mass Storage Options

A4-GB hard drive is available as options for the 4210T. The 3-GB hard drive supports both the 4100 and 4200 Family models. Only a single diskette drive may be used at any one time with the computer. This drive may be used in the DualBay or externally with an optional parallel cable.

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