title: Toshiba Pasopia IQ
text: # Toshiba Pasopia IQ
  
  The Toshiba Pasopia IQ are a series of MSX compatible machines released by Toshiba between 1983 and 1985. This is not to be confused with a different computer line (unrelated to MSX) with the similar name of Toshiba Pasopia.
  
  ## HX-10 series
  
  The HX-10 was released in the fall of 1983. 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
  
  The HX-20 was released in the fall of 1984 is equipped with 64KB of RAM. 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
  
  The HX-30 was MSX compatible and released in 1985, with 16KB of RAM, with latter models coming with 64KB, a RGB 21-pin video output and Programmable sound generator stereo output. The HX-33 model has 128kB of VRAM and was MSX2 compatible with integrated keyboard. The next model, HX-34, added a floppy disk drive.
  
  ## Model list
  
  The following table present a condensed model list of the MSX compatible computers released by Toshiba.
  
  MSX compatible computers released by Toshiba :
  
  | Model | Year | Region | Compatibility |
  | - | - | - | - |
  | Toshiba HX-10D (Pasopia IQ) | 1983 | JP | MSX 1 |
  | Toshiba HX-10S (Pasopia IQ) | 1983 | JP | MSX 1 |
  | Toshiba HX-10AA | 1984 | BE, NL | MSX 1 |
  | Toshiba HX-10DP (Pasopia IQ) | 1984 | JP | MSX 1 |
  | Toshiba HX-10DPN (Pasopia IQ) | 1984 | JP | MSX 1 |
  | Toshiba HX-10E | 1984 | ES | MSX 1 |
  | Toshiba HX-10F | 1984 | FR | MSX 1 |
  | Toshiba HX-10I | 1984 | IT | MSX 1 |
  | Toshiba HX-10P | 1984 | DE, IT, UK | MSX 1 |
  | Toshiba HX-10SA (Pasopia IQ) | 1984 | JP | MSX 1 |
  | Toshiba HX-10SF | 1984 | FI | MSX 1 |
  | Toshiba HX-20 (Pasopia IQ) | 1984 | JP | MSX 1 |
  | Toshiba HX-21 (Pasopia IQ) | 1984 | JP | MSX 1 |
  | Toshiba HX-22 (Pasopia IQ) | 1984 | JP | MSX 1 |
  | Toshiba HX-20E | 1985 | ES | MSX 1 |
  | Toshiba HX-20I | 1985 | IT | MSX 1 |
  | Toshiba HX-21F | 1985 | FR | MSX 1 |
  | Toshiba HX-22CH | 1985 | CH | MSX 1 |
  | Toshiba HX-22GB | 1985 | UK | MSX 1 |
  | Toshiba HX-22I | 1985 | ES, IT | MSX 1 |
  | Toshiba HX-30 (Pasopia IQ) | 1985 | JP | MSX 1 |
  | Toshiba HX-31 (Pasopia IQ) | 1985 | JP | MSX 1 |
  | Toshiba HX-32 (Pasopia IQ) | 1985 | JP | MSX 1 |
  | Toshiba HX-51 | 1985 | ES, IT | MSX 1 |
  | Toshiba HX-52 | 1985 | ES, IT | MSX 1 |
  | Toshiba HX-20AR | 1986 | AR | MSX 1 |
  | Toshiba HX-23 (Pasopia IQ) | 1985 | JP | MSX 2 |
  | Toshiba HX-23F (Pasopia IQ) | 1985 | JP | MSX 2 |
  | Toshiba HX-33 (Pasopia IQ) | 1985 | JP | MSX 2 |
  | Toshiba HX-34 (Pasopia IQ) | 1985 | JP | MSX 2 |
  | Toshiba FS-TM1 | 1986 | IT | MSX 2 |
  