Default switch settings for HP-87 HP-1B


Does anyone here have the default switch settings for the HP-1B interface on the back on an HP-87? I have the manual from the HP Computer Museum, but the scan doesn't show the switches clearly. Setting the address is easy enough, but I don't know the default settings for the rest of the switches.


The manual 'Introduction to the HP-87', available, e.g., on (an amazing source for HP computer enthusiasts!) describes the settings and presets in detail, refer to page 46 et seq.

Hope it helps,


I have the manual-- the section you refer to is on page 20. Unfortunately the image of the switches isn't clear enough to discern their settings, and the text doesn't go into enough details.


Oh, page 46! Yeah, that's what I need. Thanks!

Possibly Related Threads…
Thread Author Replies Views Last Post
  HP PRIME Home settings var lack Damien 0 1,012 10-26-2013, 04:25 AM
Last Post: Damien
  HP Prime reset to factory settings bertopl 16 4,202 09-28-2013, 03:53 AM
Last Post: bertopl
  9815 data cartridge drive (also 9825 / 9845 / 85 / 87, and who knows what else) John Ioannidis 2 1,313 06-12-2013, 07:20 PM
Last Post: Craig Ruff
  HP 86/87 - CP/M Ph.Théry 3 1,436 05-27-2013, 04:02 AM
Last Post: Olivier De Smet
  Default angle mode Eric Smith 71 13,942 12-06-2012, 01:19 AM
Last Post: Eddie W. Shore
  HP-87 power supply repair philippe_elie 0 923 11-18-2012, 11:12 AM
Last Post: philippe_elie
  Looking for HP-87 service manual philippe_elie 2 1,283 11-08-2012, 02:07 AM
Last Post: philippe_elie
  Request for HP 30b program to switch to ALG-RPN Sujith Abraham 1 991 09-27-2012, 11:00 AM
Last Post: Bruce Bergman
  DM-xxCC Default Display Values Mark Hardman 3 1,520 09-13-2012, 03:42 PM
Last Post: Lode
  HP 48GX Memory Card ON/OFF switch Morten Nygaard Åsnes 2 1,127 08-22-2011, 03:11 AM
Last Post: Morten Nygaard Åsnes

Forum Jump: