FRAM71 Ticking Like a Time Bomb
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08-21-2015, 03:42 PM
(This post was last modified: 08-21-2015 03:45 PM by Hans Brueggemann.)
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RE: FRAM71 Ticking Like a Time Bomb
(08-21-2015 09:40 AM)Marcus von Cube Wrote: Following Dave's new thread I started my 71 with FRAM71 to play around with the settings. i suppose you mean that the beeper is ticking. make sure that jumpers J2 and CN2:x are all properly set. i suggest to do a full reset: 1) turn off your HP-71B. 2) remove all power supplies (charger and / or all batteries. 3) open the card reader bay. 4) with FRAM71 installed, short card reader connector 11 (GND) and card reader connector pin 1 (VDD) with a straightened paper clip for 5 seconds. consult manual, chapter "Board Connectors" if in doubt about location of pins. 5) close card reader bay. 6) apply power. 7) turn HP-71B on, it will most likely show MEMORY LOST. 8) ticking should be gone. give me a ring if that doesn't help. hans |
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Messages In This Thread |
FRAM71 Ticking Like a Time Bomb - Marcus von Cube - 08-21-2015, 09:40 AM
RE: FRAM71 Ticking Like a Time Bomb - Pekis - 08-21-2015, 12:36 PM
RE: FRAM71 Ticking Like a Time Bomb - Hans Brueggemann - 08-21-2015 03:42 PM
RE: FRAM71 Ticking Like a Time Bomb - Hans Brueggemann - 11-21-2015, 04:34 PM
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