Pioneer PX-7
Contents |
Description
The Pioneer PX-7 is a MSX1 computer, aimed at the Japanese market. It was meant for attaching to a LaserDisc player, and as such has superimpose capabilities. The PSG sound is stereo, contrary to almost all MSX machines.
The PX-7 was available in 2 versions:
- in silver with lilac keyboard keys, just like the PX-V7 which seeems to be identical - the separate keyboard has the reference AWX-280
- in black only mentioned on the box as PV-7(BK)- the separate keyboard has the reference AWX-307 - Note: Confusingly a black version was also released in the UK as the Pioneer PX-7(BK)
The package of both versions includes the RF converter PX-RF7 for using on an NTSC TV.
| Brand | Pioneer |
| Model | PX-7 |
| Year | 1984-04 (silver version) - 1984-12 (black version) |
| Region | Japan |
| Launch price | ¥89,800 |
| RAM | 32kB in slot 0 |
| VRAM | 16kB |
| Media | MSX cartridges |
| Video | TMS9928ANL |
| Audio | PSG (AY-3-8910) |
| Chipset | none (separate IC's) |
| Keyboard layout | QWERTY/JIS |
| Extras | Superimposer, P-BASIC 1.0, sliders for volume level and mixing level, stereo LaserDisc sound, stereo PSG sound |
| Emulation | ROMs dumped and emulated except for superimpose functions |
Pictures
Specifications
The international PX-7(BK) is a MSX1 with a Z80A from NEC (D780C-1). The computer has 2 cartridge slots, one at the top and one at the rear. It doesn't contain an MSX-Engine.
- Unit size: 420 x 323.5 x 70 mm (W x D x H)
- Keyboard size: 420 x 171 x 47.5 mm (W x D x H)
- Total weight: 8.1kg (with complete packaging)
Slot Map
| Slot 0 | Slot 1 | Slot 2 | Slot 3 | ||||
|---|---|---|---|---|---|---|---|
| Page C000h~FFFFh | 32kB RAM | Cartridge Slot 1 | Cartridge Slot 2 | ||||
| Page 8000h~BFFFh | |||||||
| Page 4000h~7FFFh | Main-ROM | P-BASIC | |||||
| Page 0000h~3FFFh |
- The P-BASIC ROM is a 8kB ROM - 4000h-5FFFh, and in same slot 07FFEh~07FFFh are addresses to access to expansion I/O registers.
Connections
- RGB digital output (DIN 45326 type 8A)
- RF Mod output (5 pin DIN, RF converter PX-RF7 is required for use with a TV)
- Composite input/output (RCA) with hue adjust dial
- Analog stereo sound input/output (RCA)
- Analog mono sound output (headphone jack)
- Keyboard connector (13 pin DIN)
- Data Recorder connector (both DIN and mini-jack)
- Centronics compatible Parallel port for a printer
- 2 general connectors (Joysticks, Mouse, Paddle controllers, etc)
- 2 cartridge slots
- System control input/output 1 (mini stereo jack x2)
- System control output 2 (mini mono jack)
- System control output 3 (DIN 45326 type 8B)
- Power plug for main power supply
- AC power socket (for the monitor)
External Links
- Pioneer PX-7 on Generation-MSX
- Service Manual (English)
- P-BASIC Reference Manual (English)
- Detailed comparison of the PX-7 and PX-V60 (Japanese)