450 DX/2  (259-5148)              Features              Faxback Doc. # 2227

Your computer offers the functions of a personal computer, an engineering
workstation, or a network file server. Industry-Standard Architecture (ISA)
and a Phoenix BIOS ensure compatibility with software and hardware built to
the IBM standard for PC/AT. Compatibility with MS-DOS, OS/2, Novell, and
UNIX lets you choose the best operating system for your needs.

The Intel 486 family of microprocessors features a full 32-bit path for
superior performance and an 8 KB four-way, set-associative, internal cache
with a write through caching scheme for improved data reliability.

The low-insertion force, performance upgrade socket allows easy
installation of a math coprocessor or an OverDrive Processor.


Your computer also offers the following features:

* Support for up to 40 MB or system memory on the main logic board.
* Support for 64KB, 128KB, or 256KB of secondary cache memory.
* SVGA Windows accelerator circuitry for increased performance speed with
  Windows and windowing programs.
* 512KB of video memory, expandable to 1MB.
* High-capacity (1.44MB), 3 1/2" diskette drive.
* Keyboard lock, power-on and keyboard passwords, and diskette drive write
  protection to prevent unauthorized access.
* 101-key enhanced keyboard.
* Dual diskette drive controller.
* Dual IDE (Integrated Drive Electronics) drive controller.
* 3 1/2" drive carrier for one 3 1/2" diskette drive (installed) and one 3
  1/2" hard drive (installed on some models).
* 5 1/4" drive tower for one full-height or two half-height drives
  (supports 3 1/2" drives with mounting adapter).
* Three full-length and two half-length ISA expansion slots.
* PS/2-style mouse port.
* One bidirectional parallel port and two serial ports.