Leading Edge Model D
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The Leading Edge Model D is an IBM clone first released by Leading Edge Hardware in July 1985. It was initially priced at $1,495 and configured with dual 5.25" floppy drives, 256 KB of RAM, and a mono
Leading Edge Model D (dual floppy disk model)
Leading Edge Model D (fixed-disk model)
MS-DOS
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MS-DOS is an operating system for x86-based personal computers mostly developed by Microsoft. Collectively, MS-DOS, its alternate branding as IBM PC DOS, and a few operating systems attempting to be c
Leading Edge Model D
…All Model D computers support the addition of an 8-bit or 8/16-bit VGA ISA card for VGA graphics. The unit comes with MS-DOS 2.11 or later, and a special edition of GW-BASIC to support the extended graphics mode. It also has a diagnostics disk. This disk contained a diagnostics…
MS-DOS (Compaq-DOS) version 1.12 (based on MS-DOS 1.25) for Compaq Personal Computer
MS-DOS 3.3C for the PC-9800 series
MS-DOS version 5.0
German MS-DOS 6.2 Update