MSX2+ computers were only produced by Panasonic, Sony and Sanyo. There were only available in Japan...
The FS A1 FX had 64 KB RAM, 128 KB VRAM, built-in disk drive and A1
Cockpit Internal Software without FM-BIOS (MSX Music Basic ROM). It also features JIS 1st Class Kanji Support (128KB), but no built-in FM sound chipset, the sound cartridge was sold separately. Ren-Sha Turbo feature provides auto-fire mode while playing games.
Contrary to Sony and Sanyo MSX2+ systems which used a Z80A, the Panasonic systems used a Z80B CPU which could be set up to 6 MHz.
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FS A1 FX
BUILT IN LANGUAGE
MSX-BASIC V3.0, internal software (A1 Cockpit)
Full-stroke keyboard with numeric keypad
Z80B CPU can be switched from 3.58MHz to 5.38MHz via I/O port 3.58 MHz
Yamaha V9958 Video Display Processor
32 KB (Basic & BIOS) + 16 KB (SUB ROM > MSX-BASIC V3.0) + 16 KB (KANJI BASIC ROM + KANJI ROM) + 16 KB (DISK ROM) 128kB JIS-1 ROM
40 x 24 / 32 x 24
Same as MSX2 specs, plus 256 × 212/424 Additional KANJI screen modes (Japanese text screen modes): 40x24, 32x24, 256x192, 64x48