Panasonic FS-A1
This page was last modified 19:21, 25 June 2021 by Mars2000you. Based on work by Sdsnatcher73 and NYYRIKKI and others.

Contents

Description

Computer

The Panasonic FS-A1 was available in black and in red. It was aimed at the Japanese market. There is a white version that was sold in Italy as the Toshiba FS-TM1.

The computer comes with an external power adapter, it includes a pause button that allows users to pause the system at will.

Size: 380(W) x 63(H) x 230(L)mm
Weight: 1600g (unit) + 580g (AC adapter)

Brand Panasonic
Model FS-A1
Year 1986
Region Japan
Launch price ¥29.800
RAM 64kB in slot 3-0
VRAM 128kB
Media MSX cartridges
Video Yamaha V9938
Audio PSG (integrated in MSX-Engine S1985)
Chipset Yamaha S1985
Keyboard layout QWERTY/JP50on
Extras pause button, DESKPAC firmware
Emulation ROMs dumped and emulated

Firmware

The firmware is launched automatically when you boot the machine. Bypassing this software on startup requires the user to press the DEL key during boot until a Beep sound.

The built-in firmware is the first version of the well-known Panasonic DESKPAC software and uses function keys to access the different options:

  • F1 - Clock
  • F2 - Stopwatch
  • F3 - Alarm
  • F4 - Calendar
  • F5 - Calculator
  • F6 - Message Board
  • F8 - MSX-BASIC

Pictures

Computer

Panasonic FS-A1 (black)
FS-A1 & HB-F1 adapter
Panasonic FS-A1 right side
Panasonic FS-A1 box and content
FS-A1 battery location
Panasonic FS-A1 (black) back
Panasonic FS-A1 (red) back
Panasonic FS-A1 (red)
Panasonic FS-A1 PCB
Panasonic FS-A1 PCB underside
Panasonic FS-A1 box
Panasonic FS-A1 label
Panasonic FS-A1 manual

Firmware

DESKPAC Menu
DESKPAC Clock
DESKPAC Stopwatch
DESKPAC Alarm
DESKPAC Calendar
DESKPAC Calculator
DESKPAC Message Board

Specifications

The Panasonic FS-A1 is a MSX2 with 2 cartridge slots (one at the top, one at the back), a Z80A from ROHM (BU18400A-PS) and an MSX-Engine S1985 from Yamaha. The main board is different from the board of the FS-A1mkII.

The FS-AA51 power adapter specifications are the same as the Sony AC-HB3 adapter for the Sony HB-F1 and HB-F1II.

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
64kB
Memory
Mapper
Page 8000h~BFFFh DESKPAC 1 DESKPAC 2
Page 4000h~7FFFh Main-ROM
Page 0000h~3FFFh Sub-ROM
  • This machine has 1Mbit ROM. First 32kB is mapped to slot 0 #0000-#7FFF, second 32kB is mapped to slot 3-1 #0000-#7FFF, third 32kB is mapped to slot 3-2 #4000-#BFFF and fourth 32kB is mapped to slot 3-3 #4000-#BFFF.

Connections

Maintenance / Repair / Upgrades

Recommended batteries: Lithium batteries or Eneloop (white or cyan).
Batteries advised against: Alkaline batteries because they leak one day or another.

Links