This computer was not compatible with the other MZ series. It was the succesor of MZ-3200 series
Sharp started to sell 5000 systems in Japan in November 1982 before selling it to the rest of the world where it didn't meet a large success because of its high selling price and numerous options.
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Örjan Smith adds:
My first own computer was a SHARP MZ-3541. I used it for many years.
I had both EOS and FDOS, but no other applications. I never did understand EOS, which was menu-based. FDOS meanwhile offered a machine-code editor (which I sadly lacked documentation for) and a BASIC interpreter with a typical 80's style line editor (with which I performed miracles :).
The ports on the back (RS232 etc) where all of the card-edge variety for flat cables. The second port on the front to the right of the keyboard port is the light pen port. The graphics mode required an add-in graphics board (which I did not have), and I think that was also required to get at the 8 colours mentioned (I'm not sure though, I had a monochrome monitor). Without it, you could still produce 160x50 pixel graphics by use of 16 quarter-fill characters in text mode.
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.
NAME
MZ-3500
MANUFACTURER
Sharp
TYPE
Professional Computer
ORIGIN
Japan
YEAR
1983
BUILT IN LANGUAGE
None
KEYBOARD
Full-stroke keyboard
CPU
2 x Zilog Z80 A
SPEED
4 MHz
RAM
128 KB (up to 256 KB)
ROM
8 KB
TEXT MODES
80 chars x 25 lines
GRAPHIC MODES
640 x 400 dots (optional)
COLORS
8
SOUND
Beeper (1 channel, 3 octaves)
SIZE / WEIGHT
47.1 (W) x 37.5 (D) x 14.5 (H) (main unit) / Total weight: 24 Kg
I/O PORTS
Centronics, RS 232c
BUILT IN MEDIA
one or two 390 KB 5.25'' disk-drives
OS
FDOS (Sharp OS), EOS 3.0 (European Operating System), CP/M or PROLOGUE
POWER SUPPLY
Built-in PSU
PERIPHERALS
2 x 1.2 MB 8'' floppy disc drives unit, Graphics card, 5 or 10 MB hard disc
