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F > FUJITSU  > FM 77 AV EX   


Not much is known about this computer. Can you help ?

Apparently, the only difference between the FM-77 AV40 SX and the FM-77 AV40 EX, is the built-in BASIC language. Can someone confirm this ?

We need more info about this computer ! If you designed, used, or have more info about this system, please send us pictures or anything you might find useful.



The major difference between the EX and SX is that the SX lacks the connector to connect a tape player to load software from cassette. The SX motherboard has the solder points for the connector, the relay, the caps and resistor, and the cassette asic, but they are unpopulated. You can populate them yourself, but the hardest part is finding the ASIC, it''s part number is MB43413. I managed to get 5 of them used from a supplier in China. I am going to try and have them reverse engineered and rebuilt in VHDL or Verilog so that anyone with an SX can add tape support.

Monday 12th March 2012
Conrad Russo (Vancouver, British Columbia, Canada)

Ah, my First Computer, I have been looking for pictures on the intenet for ages. Great computer, but I think a bit slow compaired to todays machines.

Sunday 18th December 2005
Keith Greer (County Derry, United Kingdom)
KG Internet


TYPE  Professional Computer
YEAR  1986
KEYBOARD  Full stroke keyboard with numeric keypad
CPU  MBL68B09E (8 bits)
RAM  192 KB (up to 448 KB)
VRAM  192 KB
ROM  Unknown
TEXT MODES  40x20, 80x50
GRAPHIC MODES  320x200, 640x200, 640x400
COLORS  4096
SOUND  3 FM voices + 3 PSG voices, 8 octaves
SIZE / WEIGHT  380x357x110 mm
I/O PORTS  RS-232c, RGB video output, Audio, Video composite, extension bus, MIDI, SCSI
BUILT IN MEDIA  2 x 3.5'' disk drives (640 KB)
OS  Unknown
POWER SUPPLY  Built-in power supply unit
PERIPHERALS  printers, modem
PRICE  Unknown

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