HP-71B won't turn off when loop is broken
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05-21-2014, 01:22 PM
(This post was last modified: 05-21-2014 01:57 PM by J-F Garnier.)
Post: #5
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RE: HP-71B won't turn off when loop is broken
This is a common, well-known (at least be me:-) behavior of the HP-71B HP-IL. Nothing is bad in your machine.
A hanged or interrupted HP-IL transfer (when you press ATTN twice and get the "HPIL: Aborted" message) often lead to this situation. The HP-IL module has still 'something' to say to the Saturn CPU, and this one doesn't want to listen. RESET HPIL will force the HP-IL module to stay quiet :-) J-F For the people interested, it's very easy to reproduce: Open the loop, do RESET HPIL, RESTORE IO, interrupt RESTORE IO with ATTN twice, try to turn off the HP-71B... If then you close the loop and retry a RESTORE IO, you will usually get a "HP-IL:Unexpected Message" - the HP-71B received something from the HP-IL module that it didn't expect. |
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Messages In This Thread |
HP-71B won't turn off when loop is broken - Joe Horn - 05-20-2014, 08:52 PM
RE: HP-71B won't turn off when loop is broken - Dave Frederickson - 05-20-2014, 09:45 PM
RE: HP-71B won't turn off when loop is broken - RayAtHP - 05-20-2014, 11:37 PM
RE: HP-71B won't turn off when loop is broken - Sylvain Cote - 05-21-2014, 12:00 AM
RE: HP-71B won't turn off when loop is broken - J-F Garnier - 05-21-2014 01:22 PM
RE: HP-71B won't turn off when loop is broken - Joe Horn - 05-22-2014, 04:28 AM
RE: HP-71B won't turn off when loop is broken - J-F Garnier - 05-22-2014, 08:02 AM
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