Messages in this thread |  | | | Date | Mon, 18 May 1998 03:50:36 +0200 (METDST) | | From | Gabriel Paubert <> | | Subject | Re: Network cards |
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On Sun, 17 May 1998, Alan Cox wrote:
> > They were given to me without any documentation/drivers, etc, so all I > > can go on is the chip markings... > > > > Its branded by RM, and various chips with the markings: > > RM is Research Machines. > > > VALOR PM6045 > > VALOR LT6003 > > KJ B1952 DP8392CN > ^^^^^^^^ > > This is the important chip. The 8392 and 8390 are basically the same if I > remember rightly. So its probably an NE2000 clone. Try the NE2000 driver on it > If not then I've asked RM previously about stuff and I dont think documentation > would be a problem. As a general rule if you are presented a card with an > I/O an IRQ and no shared memory try the NE2000 driver on it when you are > in doubt. It normally works. >
Wrong AFAICT, according to my NS doc, the DP8392 is a coaxial transceiver interface (it is a 16 pin DIP). There is another chip by NS, the DP83932 which is more or less the equivalent of the original 8390 plus the encoder/decoder (8391). The VALOR components are probably isolation transformers. And the following chips:
2x MP148S 74F245 <---- good old standard bus transceivers 2x NEC D43256AGU-10L 914288010 <---- 32kB static RAM (each) RM Rev 1 PN-29943 9217KD006 <---- that's the interesting one IMHO ! For the last one, however it's obviously a marking by the manufacturer of the board, likely an ASIC. And you've got 64kB of buffer memory.
Gabriel.
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