FM-7

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FM-7

Manufacturer	Fujitsu
Type	Personal Computer
Release date	November 1982; 42 years ago (1982-11)
Introductory price	¥126,000 ($500)
Discontinued	April 1984 (1984-04) (original model)[1]
Units sold	220,000 (original model)[1]
Media	Cassette tape, 51⁄4-inch floppy disk
Operating system	Fujitsu Disk Basic, OS-9, FLEX
CPU	2× MBL 68B09 clocked at 2MHz
Memory	64KB RAM, 48KB VRAM, 48KB ROM
Display	8 colours at 640 × 200 pixel resolution
Graphics	MBL 68B09
Sound	AY-3-8910, YM2203 (FM77AV onwards)
Input	Keyboard, joystick
Dimensions	43.2 × 28.5 × 10.2
Mass	4.5 kg
Predecessor	FM-8
Successor	FM Towns

The FM-7 ("Fujitsu Micro 7") is a home computer created by Fujitsu.^[2][3] It was first released in 1982 and was sold in Japan and Spain.^[4] It is a stripped-down version of Fujitsu's earlier FM-8 computer,^[2] and during development it was referred to as the "FM-8 Jr.".

Although it was designed to be a cut-down version of the FM-8 (with the FM-7 costing 126,000 yen, compared to 218,000 yen for the FM-8^[2][5]), most notably removing the (expensive) bubble memory technology, the FM-7 was given a more advanced AY-3-8910 sound chip capable of three voice sound synthesis, leading to a strong uptake among the hobbyist computer market in Japan and making it a more popular system than the FM-8.

The FM-7 primarily competed with the NEC PC-8801 and Sharp X1 series of computers in the early 1980s. It was succeeded by the FM-77 series of computers in 1984, which featured backwards compatibility with the FM-7. The FM-77 series was later succeeded by the 32-bit FM Towns in 1989.

The FM-7 is based around the 6809 chip, which was also used in home computers such as the TRS-80 Color Computer and Dragon 32/64, as well as several arcade games.