1800 HD (250-3502) Features Faxback Doc. # 1862 * IBM PC software compatibility. * Fully portable. * 2 1/2" 20 MB hard disk drive with MS-DOS and DeskMate installed. * 3 1/2", 1.44 MB diskette drive. * VGA display with fluorescent backlight. * Full-feature, 84-key keyboard with full 101-key emulation and reversible CTRL/CAPS LOCK keys. * MS-DOS 5.0 operating system. * Serial and parallel ports that let you use options, such as a printer, external floppy disk drive, mouse, fax, and modem. * Rechargeable battery. * 1 MB RAM memory (expandable to 3 MB). (smm 08/06/93)