|Operating system||MS-DOS 2.11|
|CPU||Harris 80C86 at 5.33 MHz|
The Hewlett-Packard HP 110 (aka HP Portable) was an MS-DOS compatible portable computer released in 1984. It used a Harris 80C86 running at 5.33 MHz with 272 KB of RAM. It had an 80 character by 16 line monochrome (480 x 128 pixel) liquid crystal display, ran MS-DOS 2.11 in ROM, and had the application programs MemoMaker, Terminal Emulator and Lotus 1-2-3 in ROM.
The LCD could be tilted for visibility, and could be folded down over the keyboard for transport, unlike computers such as the TRS-80 Model 100 which had the display in the same fixed plane as the keyboard. The HP 110 is similar to the Dulmont Magnum and the Sharp PC-5000, but all three computers were separately developed by their respective companies. At introduction it had a list price of 2995 US$ (today $6904.23).
HP 110 Plus
In 1985 the HP 110 Plus (aka HP Portable Plus and HP 45711A) was released with a higher-speed internal modem (1200 baud vs. 300 baud), more resident applications, reduced price, and an 80 character by 25 line display, which improved compatibility with desktop software applications. In text mode, the machine supported either a derivation of the 1984 version of the HP Roman-8[nb 1] character set (in "HP mode") or IBM code page 437 (in "ALT mode").
BYTE in January 1985 acknowledged the HP 110's high price, but stated that it was "a computer with true desktop capability and performance well worth its cost for those who need the power". It praised the keyboard, and predicted that the built-in Lotus 1-2-3 "will likely account for more HP 110 sales than any other single feature".
- The HP Roman-8 implementation in the HP Portable Plus did not support the changes incorporated into the 1985 revision of HP Roman-8, that is it still lacked codepoints 177 (Ý), 178 (ý), 242 (·), 243 (µ), 244 (¶) and 245 (¾) and the appearance of codepoint 228 was still a stroked d (đ) rather than an eth (ð). The HP Portable Plus did however define 32 additional graphical symbols for codepoints 128 to 159, which are not part of the standard HP Roman-8 character set.
- "Hewlett-Packard HP 110". Oldcomputer.com. Retrieved 2011-04-18.
- "HP Portable Plus Brochure". Classic Computer Brochures. Retrieved 2014-12-12.
- Hewlett-Packard - Technical Reference Manual - Portable PLUS (1 ed.). Corvallis, OR, USA: Hewlett-Packard Company, Portable Computer Division. August 1985. 45559-90001. Retrieved 2016-11-27.
- Hewlett-Packard - Technical Reference Manual - Portable PLUS (PDF) (2 ed.). Portable Computer Division, Corvallis, OR, USA: Hewlett-Packard Company. December 1986 [August 1985]. 45559-90006. Archived (PDF) from the original on 2016-11-27. Retrieved 2016-11-27.
- Haas, Mark (January 1985). "The HP 110 Portable Computer". BYTE. p. 290. Retrieved 2013-10-27.
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