I have two of the Highnote laptopss, both missing the PSU. If you find out what the pin out is let me know.
Joe
At 08:32 PM 10/16/02 -0700, you wrote:
>
>Some time ago, I got a DEC Highnote Ultra II laptop missing the PSU
>and IDE bay. I was attempting to fire it up tonight with an alternate
>PSU and "fire" was the operative word.
>
>It seems that there is an internal PSU slightly larger than a standard 9V
>battery... inside this mini-PSU (a DC-DC converter, really) were/are some
>100uF *10V* SMT caps. (if that's what the 100-10 marking means). These
>are 1mm x 2mm, gray with a white band on one end and the legend on the
>PCB says C1, C2, etc., not D1, D2, etc. Well... they must have been
>counting on the tolerance of the caps being +/- 10% and the PSU not being
>*over* 11VDC (It's marked "11VDC _at_ 2.7A"). I thought that 12VDC would be
>safe. It was not. I'm guessing that my "12VDC" was slightly higher than
>that due to the light load that the laptop placed on it.
>
>So... one exploded SMT cap later (now replaced), I'm in search of a
>"real" PSU. It has a connector I'm used to seeing on Dell laptops,
>kind of a five-sided shape with three pins. The pin in the peak
>seems to be the ground, the two pins in the base corners seem to be
>the positive supply.
>
>This sound familiar to anyone?
>
>Thanks,
>
>-ethan
>
>
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Received on Thu Oct 17 2002 - 19:43:00 BST