Business Desktops/Calcs

HP-150II with 9153

100 Series Selection:

Name: 150 Touchscreen II
Product Number: 45849A
Introduced: 1985
Division: Personal Office Computer
Original Price: $2610
Catalog Reference: 1986, page 38
Donated by: Australian Computer Museum Society


The TouchscreenII (150II) replaced the 150. The touch screen feature was no longer standard, but rather a rarely-adopted option. The 150II had the same footprint as the 150, but came in a larger housing to accommodate its twelve inch screen. The new model was powered by an Intel 8088 CPU. It came standard with 256 KB of RAM, expandable to 640 KB. It also offered four expansion slots.

The 150II was also designed to solve the problem of "cable clutter" at the back of computers. All cables were hidden behind panels at the rear. HP built a special floppy disc drive for the 150II, the 9123. Although modular, the 9123 did not have its own power supply, but drew power from the 150II system unit. Click here to see a short clip of the 150II demo program (file size 1.3 MB).

The Touchscreen II was discontinued in May of 1989.

Collector's Notes:

150IIs are very reliable. Over 80 percent of the units we see are fully functional. A dead screen is the most common fault. The batteries are difficult to replace. They are two 2/3 A size 3V Lithium batteries with solder tags and are soldered onto the power supply, under a metal cover. The 150II uses an HP-HIL keyboard that is different than the keyboard used by the original 150.

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