Phonola VG-8235
This page was last modified 13:42, 17 February 2020 by Mars2000you. Based on work by Rderooy and Gdx.

Contents

Description

Computer

The Phonola VG-8235 is the Philips VG-8235/00 rebranded for the Italian market. It has a single sided disk drive and 128kB RAM (not 256kB as indicated on the machine and the box by adding the VRAM).

Brand Phonola (Manufacturer: NEC)
Type VG-8235
Year 1986
Region Italy
Original price
RAM 128kB in slot 3-2
VRAM 128kB
Media MSX cartridges, 1DD floppy disks
Video Yamaha V9938
Audio PSG (custom chip integrated in MSX-Engine S3527)
Chipset Yamaha S3527
Extras 360kB 3,5" floppy disk drive, external disk drive connector, reset button, firmware on disks (MSX-DOS1 - MSX Home Office - MSX Designer)
Emulation emulated as Philips VG-8235 - ROM dump needed probably only for checking. See this thread for details

Provided Software

Two system disks were included with this computer, you can enjoy especially a drawing program in screen 8, called 'MSX Designer', which includes a demo mode: click 2 times on the last left icon to launch it, press CTRL+STOP to quit it.

Besides this tool, the system disks provide MSX-DOS1 with a text based menu driven interface and MSX Home Office (Address Book + Word Processor).

Pictures

Computer

Phonola VG-8235
Phonola VG-8235 detail
Phonola VG-8235 right side
Phonola VG-8235 back

Firmware

Boot Sequence 2.0

VG-8235/00 Boot logo
VG-8235/00 MSX Basic 2.0

Provided Software

Note: probably with menus in Italian, except for MSX Desiger (to be checked)

MSX-DOS

Loading doshlp

MSX Home Office

(...)

MSX Designer

MSX Designer
MSX Designer
MSX Designer

Specifications

The VG-8235 is a MSX2 with a Z80 from Zilog (Z8400APS) and the MSX-Engine S3527 from Yamaha.

The RAM is in slot 3-2. First cartridge slot is in front, second cartridge slot is in back.

Slot Map

Slot 0 Slot 1 Slot 2 Slot 3-0 Slot 3-1 Slot 3-2 Slot 3-3
Page C000h~FFFFh Cartridge
Slot 1
Cartridge
Slot 2
128kB
Memory
Mapper
Page 8000h~BFFFh Mirror
Page 4000h~7FFFh Main-ROM Disk ROM
Page 0000h~3FFFh Sub-ROM
  • The Disk ROM is a 16kB ROM - 4000h-7FFFh, which is mirrored to 8000h-BFFFh

Connections