From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gerhard Jaeger To: linuxppc-embedded@lists.linuxppc.org Subject: Re: Lite5200 PCI not working Date: Tue, 22 Jun 2004 08:08:40 +0200 Cc: Mark Jonas , =?iso-8859-1?q?I=F1igo_Lopez_Barranco?= References: <42A622EB18325843894BB8E1040E3DF5022753@sinaexchf> <40D734CE.9090502@gmx.de> In-Reply-To: <40D734CE.9090502@gmx.de> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Message-Id: <200406220808.41005.g.jaeger@sysgo.com> Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: Hi, On Monday 21 June 2004 21:19, Mark Jonas wrote: > Iņigo, > > I experienced this behavior with an USB card before. With that card the > reason was a short on the USB card between 3.3V and 5V supply pins. In a > normal PC this seems to be no problem (maybe because a PC's PCI ports > are 5V only). there seem to be more cards like these, they're in fact badly designed - they shorten the VI/O pins and 5V on the card, which could cause some trouble on the Lite5200, as the VI/O stuff is directly connected to the RAM chips and their I/O does not like the 5V... We sorted out some cheap networking adaptors... > The Lite5200 survived. "What a lucky man he was" :-) > To be sure if this is the problem I recommend testing the card for the > short. That's a great idea, check esp. shortage between the VI/O and 5V lines on the card... Gerhard ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/