• 1987

Hardware Description

Processor: NEC V40 or equivalent to 7.16 MHz (compatible i80188) Memory: RAM 256 KB or 640 KB expandable to 1.6 MB with 1 MB of memory EMS ROM??? kb Display: LCD monochrome CGA-compatible integrated (backlight on models 4502 and 4521) Storage: 1 or 2 floppy 3 1/2 "720KB or 20 MB hard drive depending on the model. Interfaces: Parallel External hard drive Series 1200 baud modem and optional external CGA Software: Ms-Dos 3.2 Sharp Feature: Announced at Comdex Spring 1987 and marketed from October of the same year, this notebook PC compatible input range is sold at rather competitive. Compatibility is good but the performance is not extraordinary. Note that it requires a version of MS-Dos original Sharp to start. models: PC-4501, 256K with 1 player, LCD not backlit PC-4502, 256, or 640 KB with 2 drives PC-4521, 640 KB Hard Disk 20 MB