The Panasonic FS-A1WSX released in 1989 was the last MSX2+ made by Panasonic.[1][2] It was the successor of FS-A1WX and incorporated few changes like S-Video output, no tape support, color printer support and an improved A1 Internal Cockpit software with a Kanji color word processor.

Panasonic FS-A1WSX
An FS-A1WSX
ManufacturerPanasonic
Product familyMSX
TypeHome computer
GenerationMSX2+
Release date1989
Operating systemMSX BASIC V3.0, MSX-DOS, CP/M
CPUMSX-Engine T9769x @ 3.58 and 5.37 MHz
Memory64 KB–256 KB (max.)
Storage720 KB 3.5" floppy disks
DisplayYamaha V9958 (aka MSX-Video)
Graphics512 × 212 (16 colours out of 512) and 256 × 212 YJK (19,268 colours)
Sound3 voices (PSG) + 9 channel FM (OPLL)
PredecessorFS-A1WX
SuccessorFS-A1ST Turbo R

Contrary to other MSX2+ systems the Panasonic FS-A1 used a Z-80 compatible MSX-Engine (T9769x) which could be switched via software to 6 MHz. This model supported up to 256 KB of RAM after doing a little soldering. 512 KB was also possible with a more complicated modification.

Technical specifications

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Processor
  • Z-80 compatible MSX-Engine (T9769x) with clock speeds of 3.58 and 5.37 MHz
Memory
  • ROM: 1552 KB
    • MSX BASIC v3.0: 80 KB
    • MSX Disk BASIC v1.0: 16 KB
    • Music BASIC (FM BIOS): 16 KB
    • JIS 1st & 2nd class Kanji Support: 256KB
    • MSX-JE: 512KB
    • MSX-JE/WP (MSX Word Processor): 656 KB
  • RAM: 64 KB
  • VRAM: 128 KB
  • SRAM: 16 KB
Display
  • VDP
    • Yamaha YM9958
    • Text: 80×24, 40×24 and 32×24 (characters per line × lines)
    • Graphical: resolution max 512×212 pixels (16 colours out of 512) and 256×212 (19,268 colours)
    • Colours: 19,268 max
    • Sprites: 32 max
Sound
Storage Memory
  • 720 KB 3 1/2" DD/DS floppy disks

References

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  1. ^ "FS A1 WX / WSX Panasonic". www.old-computers.com. Retrieved 2023-05-22.
  2. ^ "Panasonic FS-A1WSX". MSX Resource Center.
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