Digital Rainbow 100

Producer: Digital - Category: Personal Computer

Personal computer, 1982, Digital Equipment Corporation. The Rainbow 100 is a dual-processor machine, with a Z80 for CP/M and an 8088 for MS-DOS, sold in several versions (PC100-A, PC100-B, 100+).

Year	1982
Manufacturer	Digital Equipment Corporation
Models	PC100-A, PC100-B, 100+
Processors	Zilog Z80A at 4 MHz and Intel 8088 at 4.81 MHz; optional Intel 8087 maths coprocessor
RAM	PC100-A 64 to 896 KB, PC100-B 128 to 896 KB
Monitors	12 inch monochrome (VR201) or 13 inch colour (VR241-AA); text 80 or 132 columns x 24 lines, graphics 800 x 240 or 384 x 240
Storage	2 x 5.25" floppy disk drives 2 x 409 KB (RX50), hard disk (RD51-A 10 MB)
Interfaces	serial (DB25, up to 19,200 baud), serial (DB9) for printer
Dimensions	483 (W) x 363 (D) x 165 (H) mm
Weight	system < 13.6 kg, monochrome monitor 6.4 kg
Operating systems	CP/M, MS-DOS
Power	218 W max
Price (1985)	CHF 12,400 for a 100+ with hard disk, monitor, keyboard and MS-DOS