Computer hardware stubs

The IBM Printer Model 4 was a dot-matrix point-of-sale printer launched in 1991. It was the direct relative and homophone of the IBM Printer Model 3. It and its successor, the IBM 4610, nowadays, it's really few still in use by retailers. The printer was discontinued in 2005.

The CP 400 COLOR was launched in 1984 by Prológica, a Brazilian company which made clone versions of various computers, under the general designation of "CP" (for "Computador Pessoal" in Portuguese, "Personal Computer" in English).

The Treo 90 is a Palm OS PDA developed by Handspring. It was released on May 28, 2002. The Treo 90 was the only Treo model produced without an integrated cellular phone. When first released it was the smallest Palm OS device on the market.

The HP 620LX (F1250A, F1259A) is a palmtop computer released by Hewlett-Packard in March 1998. It was shipped with Windows CE 2.0 or 2.11 and included a CompactFlash Type I card slot, a PC card slot, a serial link cable plug, and an infrared port. It has 16 MB of RAM and a Hitachi SH3 processor running at 75 MHz. It also has a 256-color display with a resolution of 640x240. The screen is backlit.

The MX-1600 was an 8-bit home computer produced in Brazil by the company Dynacom in 1985. It was one of the many clone machines based on the TRS-80 Color Computer introduced during the Brazilian "Market Reserve", like the Codimex CD-6809 or Prológica CP 400 COLOR.

The VC 50 was an 8-bit home computer produced in Brazil by the company Engetécnica (later called Varix) between 1983 and 1985. It was one of the many clone machines based on the TRS-80 Color Computer introduced during the Brazilian "Market Reserve", like the Codimex CD-6809 or Prológica CP 400 COLOR.

The Color 64 was an 8-bit home computer produced in Brazil by the Rio de Janeiro company Novo Tempo / LZ Equipamentos between 1983 and 1986. It was one of the many machines based on the TRS-80 Color Computer introduced during the Brazilian "Market Reserve", like the Codimex CD-6809 or Prológica CP 400 COLOR.

The Toshiba Libretto W100 is a dual-touchscreen computer from the Toshiba Libretto series.

The Z11 was a computer, the first serially produced machine of the Zuse KG.

The Q40 and Q60 (sometimes known generically as the Qx0 series) are computer motherboards designed in the late 1990s, based on the Motorola 68040 and 68060 microprocessors respectively and intended to be partially compatible with the Sinclair QL microcomputer. Later these were sold as a fully assembled computer in an AT desktop case.