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- Path: sparky!uunet!nwnexus!jhgrud!eskimo!lorc!lowen
- From: lowen@lorc.eskimo.com (Lamar Owen)
- Newsgroups: comp.dcom.lans.ethernet
- Subject: Re: Ethernet card
- Message-ID: <ahYTrADHBh107h@lorc.eskimo.com>
- Date: Fri, 8 Jan 93 08:57:46 -0500
- References: <724697678snx@crynwr.com> <1992Dec21.035026.7388@nuscc.nus.sg>
- Organization: LORC Enterprises
- Lines: 29
-
- In <1992Dec21.035026.7388@nuscc.nus.sg> ccewch@nuscc.nus.sg (Wong Chee Heng) writes:
- >nelson@crynwr.com (Russell Nelson) writes:
- >: In article <1992Dec18.014021.24510@fallst> tkevans@eplrx7.es.dupont.com writes:
- >: >-have 16-bit ISA and/or 32-bit EISA version
- >: >-reasonablly well perform, comparable to 3c503
- >:
- >: What's wrong with the 3c503? It meets all your spec's
- :
- >: The 11.x 3c503 packet driver will auto-sense.
-
- >The idea card is to have both the BNC and RJ-45 in one card not diff. model.
- >and able to autosense. Also I heard that 3C503-16 is not a true 16-bit card
- >due to the backward compatibility of the drivers supplied by 3COM (?), so one
- >do not get the kind of performance gain expected.
-
- If you use the shared memory mode, it does do 16-bit transfers USING THE 8 BIT
- DRIVER. The other two modes, polled and DMA, do not do 16-bit transfers.
- I get significant performance improvements with the 503-16 over the 503-8.
-
- However, I'm looking forward to getting some 509's.
-
- >Wong Chee Heng
-
- --
-
- Lamar Owen, Systems Consultant | If there were a tax on syn,
- GE Lighting Systems, Hendersonville, NC | we'd all be broke.
- --------------------------------------------------------------------------
- My opinions are not those of GE and do not reflect GE policy in any way.
-