Date: Tue, 04 Apr 1995 18:33:32 +0000 From: Matt Thomas <matt@lkg.dec.com> To: Michael Vernick <vernick@cs.sunysb.edu> Cc: freebsd-hackers@FreeBSD.org Subject: Re: PCI/EISA/ISA performance Message-ID: <199504041833.SAA10697@whydos.lkg.dec.com> In-Reply-To: Your message of "Tue, 04 Apr 1995 14:57:27 -0400." <199504041857.OAA06405@cs.sunysb.edu>
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> Anyone have any performance results comparing the three types of
> buses? I'm interested in disk I/O performance and/or network
> I/O performance using the three buses and DMA.
As a rule of thumb, PCI > EISA > ISA.
> Also, someone mentioned that the DEC DE500-XA network card is being
> supported. Is it a PCI 100Mb/Sec card?
It is. Just about 10 minutes ago I got
de1 <Digital DC21140 Fast Ethernet> rev 17 int a irq 15 on pci0:8
reg20: virtual=0xf1d05100 physical=0x20000100 size=0x80
de1: enabling 10baseT UTP port
de1: DC21140 [10-100Mb/s] pass 1.1 ethernet address 08:00:2b:e1:06:07
to work.
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