HP Portable Plus/ HP 150 Systems


I own the 150 Touchscreen II anbd the Portable Plus. GREAT
computers for their time.

Also they had IL capability so I interfaced them to each other, various IL peripherals and to the 41 & 71.

Anyone else try this?

41/71 users may wish to consider doing this now, as 150s and 110 are pretty cheap.

John Kercheval


I agree, the Portable Plus is a great machine.
How do you drive the HPIL? Do you use Basic, or assembly level? I remember I made (a lot of years ago) a simple "HPIL monitor" program in Basic with in/out functions.



Thanks for your response.

In the case of the 110+, it has built in I/O features to run the IL. Once the unit is connected to a Calc, the 41/71 can upload files, etc, in effect using the electronic discs
of the 110+ as mass storage devices. In the case of the cassette drive, you just use the storage commands to save data to it.

I LOVE the idea of using plug in ROMS to load programs versus the hard drive & wish my HP Omnibook XE2 had such features.

In the case of the 150, shareware was released in 1987 that ran the IL Card and provides a seemless interface "shell" between the unit and calcs. and was very easy to use.

Did you ever subscribe to the third party newsletter " the "Portable Paper?"

Do you still have the 110?
What applications did you use?



I have several 110's. I purchased them in the past year specifically because of the IL capabilities. I've been in an binge to acquire anything with HP-IL. I have tested the machines with the 9114B IL disk drive and worked great. My goal is to connect them to the 41 and 71 to see what I can do. I've even thought about writing some sort of control or monitor program in either Basic or Assembly just to try it out but I haven't had the time. There various ROM-based routines that allow you to "talk" to the IL.


What would you say is a good price for the 110? Do you have any accessories you would like to trade or sell?

Possibly Related Threads...
Thread Author Replies Views Last Post
  Hook-µP software by Rush Systems Lute Kamstra 5 518 11-29-2013, 01:30 AM
Last Post: Lute Kamstra
  Portable HP Prime Emulator bluesun08 7 529 10-03-2013, 01:37 PM
Last Post: fhub
  [OT] Pens for SHARP CE-150 printer/cassette interface Miguel Toro 4 330 01-09-2012, 09:45 AM
Last Post: Klaus
  Need a US proxy for a battery for an HP Portable Plus Geir Isene 5 418 10-31-2011, 07:56 PM
Last Post: John Pierce
  Telesensory Systems - any connection to HP? Maximilian Hohmann 7 474 11-26-2010, 04:52 AM
Last Post: Thomas Klemm
  Problem with HP 110+ / Portable Plus battery charging (+workaround) John AS (UK) 2 261 04-21-2010, 01:32 PM
Last Post: John AS (UK)
  Is peace of mind worth $150 ? Michael de Estrada 7 457 03-24-2010, 09:43 PM
Last Post: juan demin
  Notes on installing EMU41P on Portable Plus John AS (UK) 0 170 03-04-2010, 03:19 AM
Last Post: John AS (UK)
  HP67-97 Space Systems User's Guide aj04062 5 367 02-28-2010, 12:09 PM
Last Post: Don Shepherd
  Slightly OT: Reviews of HP-41C & HP-150 in Byte Magazine Bill (Smithville, NJ) 17 971 09-20-2008, 07:28 PM
Last Post: Steve Simpkin

Forum Jump: