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Subject: Re: Schematics for JBS20 needed (ATA 44 pins)

Re: Schematics for JBS20 needed (ATA 44 pins)

From: Markus Grebenstein <>
Date: Thu, 03 Jun 2004 14:02:16 +0200

Linus Nielsen Feltzing schrieb:

> Markus Grebenstein wrote:
>> OK thanks. Do you know if the violtage on PIN 42 (Motor) and/or 41
>> (Logic) should be 5V all the time, when teh processor is running?
> On the newer Studio models, the hard drive power can be controlled by
> the CPU, with port pin PB4. However, the firmware enables the HD power
> early in the boot sequence and never turns it off again.

OK. So I should have 5V on Pin 42 related to PIN 43 after switching on?

Is there a schematic for the powersupply too?


Received on 2004-06-03

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