IBM PS/2 L40 Power Supply

From: John Doe <evilnet_genesis_at_hotmail.com>
Date: Fri May 28 14:38:30 1999

Hi,

I’ve got a rather small problem with my old PS/2 laptop. I don’t know which
power supply I have to use with it. Can somebody tell me (exactly) which
power supply I have to use (voltage, needed current,…). Can I use the 5-12 V
/250 W switching power supplies from PC’s? Is there any fuse or surge
protection built in the L40, protecting the motherboard from too high
voltage? I’ve tried it with an unstabilized 14 V transformator, and it
worked for a short time, then the thermo-fuse in the transformator switched
off. The L40 got two ways powering it, through the battery slot (three pins,
+, -, ?) and/or using the power supply adapter. Now I need to know which of
these two possibilites should I use when I have not got any batteries or
accus, and need an stationary power supply which has an clear, stabilized
voltage, which is the easier way?

These are the specs of the machine:

Machine: IBM PS/2 Model L40 SX
Proc.: i386DX _at_ 20 Mhz
RAM: 2 Mb(the two blue memory slots are still free)
HDD: 60 Mb
FDD: 3,5” 1.44 Mb

Mail all hints and/or advices to evilnet_genesis_at_yahoo.com or
evilnet_genesis_at_hotmail.com. If nobody can’t help me then please give me
some links or adresses, where I can find informations.

Thank you!


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Received on Fri May 28 1999 - 14:38:30 BST

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