Post Reply 
HP-71B IL Module Version
01-27-2018, 04:46 PM
Post: #5
RE: HP-71B IL Module Version
I purchased a bare chip, with firmware version 2.1, from Jean-Francois. Older schematics I used to wire my board showed SW1 and SW2 which in the latest hardware is JP2 and JP1 respectively. Per email from Jean-Francois SW1/JP2 is reserved for HP-71B IL modules versioin 1A which have a timing problem with the PIL-box. SW2/JP1 in my firmware version selects between 230 and 115 kbps.

Try CC41!
Find all posts by this user
Quote this message in a reply
Post Reply 


Messages In This Thread
HP-71B IL Module Version - Craig Bladow - 01-27-2018, 03:31 AM
RE: HP-71B IL Module Version - Craig Bladow - 01-27-2018 04:46 PM
RE: HP-71B IL Module Version - J-F Garnier - 01-27-2018, 10:17 PM



User(s) browsing this thread: 4 Guest(s)