Thread View: comp.sys.acorn.tech
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Started by /G=Owen/S=Smith/O=SJ-Research/AD...
Fri, 06 Nov 1992 13:50
A4 power down
Author: /G=Owen/S=Smith/O=SJ-Research/AD...
Date: Fri, 06 Nov 1992 13:50
Date: Fri, 06 Nov 1992 13:50
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>torh@syma.sussex.ac.uk (Tor Houghton) wrote: >Whenever I boot up my A4, I get this boring/annoying message - "The >system was previously shut down because the battery was exhausted." Now >- this has never happened, so why in God's name does it appear all the >time? That message is printed on startup if bits 6-7 in CMOS RAM byte &1C (the famed DragASprite byte) are set to 1. 0 means last shutdown was OK, 1 means due to battery failure, 2 means due to battery failure and the auto shutdown procedure failed to complete, and 3 is undefined. However having printed the message, the Switcher then clears those bits back to 0. They should only get set by !BatMgr if your battery dies on you. So the intriguing thing here is why you keep getting this message. Is something in your boot sequence messing with your CMOS RAM? Try manually setting those bits to 0 or even to 2 (you get a different message with 2), do a hard reset and see what happens. Setting the bits to 3 is also worth a try - the window should display a message telling you the shutdown state is invalid. Owen. (owen.smith%gb.interspan.sj-research@mhs-relay.ac.uk)
Re: A4 power down
Author: FJ Maddix
Date: Thu, 12 Nov 1992 17:00
Date: Thu, 12 Nov 1992 17:00
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Ummm... this is a very low-tech solution to your power-down problem. I had a similar problem - silly charge / discharge times, sudden power loss etc. I discovered that the CATCH on the batt. pack could appear closed, but be just 'on the sneck' as my Yorkshire mother-in-law used to say. the consequence - intermittent contact and silly buggers. So give the weighty old thing a good shove (the battery, not your M-I-L. Frank.
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