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C > CASIO  > PV-7   


Casio
PV-7

This MSX system has only 8 KB and one cartridge slot, the minimum required by the MSX standard. It is the first MSX computer conceived by Casio and was marketed as an initiation machine.

Thankfully an expansion unit (KB-7) was available and added two cartridge slots and more memory (8 + 8 = 16 KB) to the PV-7.

There was a small drawing program in ROM. The chicklet keyboard is very poor and to small to do anything with it. There are big arrow keys on the right hand side of the keyboard arranged in circle. The whole pad is called "Joypad 1" and emulates a joystick inserted in port #1. The two big blue keys "TR1" and "TR2" on the left hand side of the keyboard are the two fire buttons! Notice that there are also "classic" arrow keys at the top of the keyboard...

The PV-7 was followed by the PV-16 which had 16 KB RAM, as the 8 KB of the PV-7 were not enough to run most of the MSX software.

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.

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NAME  PV-7
MANUFACTURER  Casio
TYPE  Home Computer
ORIGIN  Japan
YEAR  October 1984
BUILT IN LANGUAGE  Microsoft Extended Basic (MSX Basic V1.0)
KEYBOARD  Chicklet keyboard.78 keys. 4 function keys. Arrow keys. STOP, CLR HOME, INS, DEL, SELECT, ESC, TAB, CTRL, SHIFT, CAPS LOCK, GRAPH, TR1, TR2
CPU  Zilog Z80A
SPEED  3.58 MHz
RAM  8 KB
VRAM  16 KB
ROM  32 KB BASIC/BIOS ( MSX BASIC V1.0)
TEXT MODES  Mode 0 : 40 x 24
Mode 1 : 32 x 24
GRAPHIC MODES  Mode 2 : 256 x 192 with 16 colors (Hires mode)
Mode 3 : 64 x 48 with 16 colors (Multi colour mode)
32 sprites
COLORS  16
SOUND  General Instruments AY-3-8910 Programmable Sound Generator
3 channels, 8 octaves
SIZE / WEIGHT  307 x 210 x 33 mm / 1560g
I/O PORTS  2 joystick connectors, cartdridge slot, tape-recorder plug, video output (cinch), mono audio output, RF TV plug, expansion bus, printer interface
POWER SUPPLY  External power supply DC10V (AC100V, 50/60 Hz, 8w)
PRICE  29,800 yen (Japan, 1984)


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