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Justin,I expected your results and am glad you got them. I would be a bit nervous about the NiMH batter replacing the NiCd though. The charging circuits for those two batteries are different and a NiMH battery may very well end up over charged and fail much sooner.
As for pulling the old one off and relacing it, yep that works too. Pull it off, discharge it a bit with a small light and replug it. I did that on Frankie for a while to get his speed back up while I located a replacement battery at Batteries Plus.
- Larry Haase, Justin C. wrote:
As I promised: The card does charge the battery, when I checked the voltage today on the one I replaced on June 15 the voltage was 4.2 VDC. When I put it in the battery was just a hair under 3 VDC. Therefore, this procedure is accurate and works. I hope folks can find this useful, and be careful not to snap your card in half when mounting the holder back on! Justin C. Haase - iSeries System Administrator IBM Certified Systems Expert - eServer i5 Kingland Systems Corporation email - justin.haase@xxxxxxxxxxxx -----Original Message-----From: Haase, Justin C. Sent: Wednesday, June 15, 2005 11:57 PMTo: 'Midrange Systems Technical Discussion' Subject: RE: Trivia time - 2748 cache battery Ok folks! Here's the good word. Since this is a sandbox, I figured no guts, no glory. Plus, a replacement controller with a battery on the secondary market is only a couple hundred bucks. So I took the case apart, removed disk controller, removed on-board battery. Took battery to local Wal-Mart, matched connector to a Sanyo model GES-PCF01M battery. 3.6V just like the other one. (BUT BE CAREFUL! There's one which is the same connector and color, just polarity is reversed) This new battery I picked up is exactly the same size, same connector (even same markings on back of connector), same EVERYTHING - only difference is the case on this one is green, the case on the old one is yellow. Looks like the "new technology" battery I picked up is NiMH, the old one NiCad. Checked voltage of existing battery and new - corresponds. Installed and IPLed to DST, performance degraded condition gone. Now - can't say if a flag gets set with removal of the old battery (like I could have just unplugged and replugged it and the system would have known no better) and I also can't say if the system gives any sort of charge to the new battery. So - someone remind me in a month or so, I'll take it apart again and check the voltage to see if it held. Other than that bit of concern, though - the system's running great! No SRC, no problem records - fantastic! $19.95 and a bit of time - problem solved. Once I do a voltage check in a couple months, we can add this to the archives as a tasty nugget o' info. Justin C. Haase - iSeries System Administrator IBM Certified Systems Expert - eServer i5 Kingland Systems Corporation email - justin.haase@xxxxxxxxxxxx
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