FS-A1WSX

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
Manufacturer	Panasonic
Product family	MSX
Type	Home computer
Generation	MSX2+
Release date	1989
Operating system	MSX BASIC V3.0, MSX-DOS, CP/M
CPU	MSX-Engine T9769x @ 3.58 and 5.37 MHz
Memory	64 KB–256 KB (max.)
Storage	720 KB 3.5" floppy disks
Display	Yamaha V9958 (aka MSX-Video)
Graphics	512 × 212 (16 colours out of 512) and 256 × 212 YJK (19,268 colours)
Sound	3 voices (PSG) + 9 channel FM (OPLL)
Predecessor	FS-A1WX
Successor	FS-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

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

• PSG
  • Yamaha AY-3-8910 (embedded in MSX Engine)
• MSX Music
  • Yamaha OPLL YM-2413

Storage Memory

• 720 KB 3 1/2" DD/DS floppy disks