Toshiba Pasopia IQ

Toshiba Pasopia IQ

Toshiba HX-10
Developer	Toshiba
Manufacturer	Toshiba
Type	Home computer
Release date	1983
Operating system	MSX BASIC v1.0
CPU	Zilog Z80 @ 3,58Mhz
Memory	64 KB
Graphics	TMS9918

The Toshiba Pasopia IQ are a series of MSX compatible machines released by Toshiba between 1983 and 1985.^[1][2] This is not to be confused with a different computer line (unrelated to MSX) with the similar name of Toshiba Pasopia.

HX-10 series[edit]

The HX-10^[3] was released in the fall of 1983.^[4] There is only one ROM cartridge slot, but there's an optional expansion slot available. Several models exist (D, DP, DPN, F, E and S), targeting different markets. For example, the HX-10DPN is equipped with an RGB 21-pin terminal, but other connections (RF, composite video) are non existing; the HX-10S only has 16KB of RAM.

HX-20 series[edit]

The HX-20^[5] was released in the fall of 1984 is equipped with 64KB of RAM.^[6] It has a monaural / stereo sound selector switch. Like with the HX-10 series, several models exist (HX-21, HX-22, HX-23). The later models have a RGB 21-pin video output. The HX-23 is compatible with the MSX2 and comes with 64KB of VRAM. The HX-23F is equipped with a RS-232 interface and comes with 128KB of VRAM.

HX-30 series[edit]

The HX-30 was MSX compatible and released in 1985, with 16KB of RAM,^[7] with latter models coming with 64KB, a RGB 21-pin video output and Programmable sound generator stereo output. The HX-33^[8] model has 128kB of VRAM and was MSX2 compatible with integrated keyboard. The next model, HX-34,^[9] added a floppy disk drive.

Model list[edit]

The following table present a condensed model list of the MSX compatible computers released by Toshiba.^[2]

See also[edit]

• Toshiba Pasopia
• Toshiba Pasopia 5
• Toshiba Pasopia 7
• Toshiba Pasopia 16

References[edit]

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