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N > NEC  > PC 6001 MK 2 SR   

PC 6001 MK 2 SR

This is another enhanced version of the original PC-6001 and later PC-6001 MK2.

Two Basics languages (N66 & N66SR) are built-in. The computer is still compatible with the N60-Basic and N60-Extended Basic modes from the original PC-6001. The Basic N66 offers a 320x200 graphic mode (in 4 colors) and the new N66SR-Basic offers new text and graphic resolutions, the maximum being 640x200 with 15 colors.

There is a ROM holding 1024 chinese characters. The PC-6001 MK2 SR offers optional speech synthesis features.

There were 2 floppy disk drive types that were incompatible with each other, known as B and BE.

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.
Please consider donating your old computer / videogame system to or one of our partners from anywhere in the world (Europe, America, Asia, etc.).


This was my first computer. My father bought it to me back in 1990. The system includes the NEC 6001mkII computer, cassette recorder, 3.5 floppy drive, 4-color plotter, joystick, and a monitor. I learned BASIC with it and also used it later to do machine language programming on it''s Z80 processor.

Thursday 12th January 2023
Hasan Salim (iraq)

Please update sound section to mention that this computer also has an FM chip and an additional 3 channels of music playback.


PC-6001 Mk2 SR also has an FM synth accessible in N66SR BASIC, specifically: Yamaha YM2203. It allows playback of 3 additional channels for FM instruments/sounds bringing the total to 6 channels of music playback.

Here''s a video captured of music playback on this computer that use both PSG and FM:$zvVq8MHoybA

Playing both PSG and FM was as simple as using the play command with 6 arguments: $PLAY "cde","fga","cge","@3cde","@5fga","@7cge"$

The "@" char is used for FM channels to specify instrument out of 12 preset instruments or using a custom instrument out of a few available slots.


Tuesday 12th May 2020
Sal (NZ)


NAME  PC 6001 MK 2 SR
TYPE  Home Computer
YEAR  ? 1984
KEYBOARD  Full-stroke keyboard, JIS standard layout, 64 keys, 5 function keys, 4 cursor keys, kana letter key
CPU  PD 780C-1 (Z80 clone)
SPEED  3.58 Mhz
CO-PROCESSOR  6847 et 6845 graphic chipsets, ěPD8049 (I/O management)
RAM  64 KB
ROM  32 KB (N66SR Basic) + 32 KB (N66 Basic) + 16 KB (graphic characters) + 32 KB (Chinese characters ROM) + 32 KB (optional speech synthesis)
TEXT MODES  32 x 16, 40 x 20, 40 x 25, 80 x 20, 80 x 25
GRAPHIC MODES  64 x 48, 128 x 192, 160 x 200, 256 x 192, 320 x 200 (15 colors), 640 x 200 (4 colors)
COLORS  15 colors max.
SOUND  Speaker built-in, sound generator (3 voices, 8 octaves)
optional speech synthesizer (2 voices)
SIZE / WEIGHT  368 x 87 x 285 mm / 3.3 Kg
I/O PORTS  Cartridge slot, joysticks, Centronics, printer connector, RGB video output, Sound output, RS-232c, Expansion bus, floppy disk interface
POWER SUPPLY  AC100V±10% 50/60Hz, 25w
PRICE  89 800 yen (Japan, 1984)

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