Date: Fri, 06 Mar 1998 21:11:24 -0800 (PST) From: Simon Shapiro <shimon@simon-shapiro.org> To: Mike Smith <mike@smith.net.au> Cc: Karl Denninger <karl@mcs.net>, lada@ws2301.gud.siemens.at, chat@FreeBSD.ORG, julian@whistle.com, wilko@yedi.iaf.nl, dmlb@ragnet.demon.co.uk, Terry Lambert <tlambert@primenet.com>, Chuck Robey <chuckr@glue.umd.edu> Subject: Re: Old farts blathering (was Re: SCSI Bus redundancy... ) Message-ID: <XFMail.980306211124.shimon@simon-shapiro.org> In-Reply-To: <199803070440.UAA02245@dingo.cdrom.com>
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On 07-Mar-98 Mike Smith wrote: ... > Hmm, I prefer the Varta 2.2Ah cells actually. The Sanyo ones have lots > of "these are great" legends floating around, but the "really tricky" > charger you're describing is basically just a box with a DC regulator > and an energy polariser crystal, and I still never saw them create > energy from nowhere. Not quite. A peak-detector charger actually pushes a lot of current into the battery very quickly, with amazingly little damage. Energy is not created from nowhere, but comes from your car battery, in the parking lot. > But I 'fess that most of the little driving I did was off-road, where > capacity per weight matters more than peak output. I used to think > those weenies in the shopping centre carparks on weekends were just > that. (Hmm, I guess over here you can't do that sort of thing in that > sort of carpark, what with 7-day shopping and all.) I switched to gas (alcohol) 1/8 scale some ten years ago. Like the noise and the smell :-) ... >> Yup. The WDT board I am polishing the driver for alarms for low-voltage >> on >> a new, EXPENSIVE, rackmount CPU box. No, the WDT is not broken, but the >> 5V >> is really 4.73. You are right, you have to try hard to mess up... > > Have you tried adjusting the output on the supply? Like I said, PC > manufacturers are pretty stingy; it was probably factory-set at about > 35C and 90% RH with no more than a few minutes runtime. I just found this out minutes ago. Then I dod not recollect any adjustments in the power supply, then there is the obligatory excuse wto not honor the warranty sticker on the power supply. The n there is my boss who said ``you are software, not hardware. Let the hardware real engineers do hardware'' and who am I to make a lier out of such an important executive? ---------- Sincerely Yours, Simon Shapiro Shimon@Simon-Shapiro.ORG Voice: 503.799.2313 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message
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