HP-71b ROM version

Threaded Mode | Linear Mode

HP-71b ROM version

10-05-2020, 04:41 PM

Post: #6

Dave Frederickson Offline

Senior Member

Posts: 2,196
Joined: Dec 2013

RE: HP-71b ROM version

No Batteries Required

If it has screws on the back it's 1BBBB or earlier
If the date code is between 2407 and 2646 it's 1BBBB
If it's after 2810 it's 2CDCC
If it's between 2646 and 2810 it could be 2CCCC

« Next Oldest | Next Newest »

Messages In This Thread

HP-71b ROM version - joved - 10-04-2020, 01:20 PM

RE: HP-71b ROM version - Sylvain Cote - 10-04-2020, 01:42 PM

RE: HP-71b ROM version - joved - 10-04-2020, 01:49 PM

RE: HP-71b ROM version - rprosperi - 10-04-2020, 04:02 PM

RE: HP-71b ROM version - Valentin Albillo - 10-05-2020, 02:06 AM

RE: HP-71b ROM version - Dave Frederickson - 10-05-2020 04:41 PM

RE: HP-71b ROM version - rprosperi - 10-05-2020, 06:15 PM

RE: HP-71b ROM version - KimH - 10-06-2020, 11:24 AM

RE: HP-71b ROM version - rprosperi - 10-06-2020, 12:39 PM

RE: HP-71b ROM version - Dave Frederickson - 10-06-2020, 04:30 PM

RE: HP-71b ROM version - rprosperi - 10-06-2020, 06:29 PM

RE: HP-71b ROM version - Joe Horn - 10-06-2020, 04:26 AM

RE: HP-71b ROM version - rprosperi - 10-06-2020, 12:30 PM

RE: HP-71b ROM version - twoweims - 10-06-2020, 11:51 PM

RE: HP-71b ROM version - Dave Frederickson - 10-07-2020, 09:09 PM

RE: HP-71b ROM version - rprosperi - 10-07-2020, 09:30 PM

RE: HP-71b ROM version - twoweims - 10-07-2020, 09:42 PM

RE: HP-71b ROM version - Dave Frederickson - 10-07-2020, 10:40 PM

RE: HP-71b ROM version - rprosperi - 10-07-2020, 10:54 PM

RE: HP-71b ROM version - twoweims - 10-07-2020, 09:43 PM

User(s) browsing this thread: 1 Guest(s)