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Full Discussion: Best reference for understanding low level info on nic cards drivers and functionality
Special Forums IP Networking Best reference for understanding low level info on nic cards drivers and functionality Post 302543662 by DGPickett on Monday 1st of August 2011 04:10:14 PM
Old 08-01-2011
From the silence, I sense my gut feel is right: they vary tremendously in what they do and how much they load CPU and RAM bus, as well as how well they do it, latency and bandwidth and duplex support and bells and whistles that might be worth it. Probably as bad a video cards! With multicore systems, is CPU cost a worry? Might e slower than an embedded CPU! Good luck. AnandTech has been a good reference in many areas, so he might come through here, too. http://www.anandtech.com/show/2956/1...-bottleneck-/1
Last edited by DGPickett; 08-01-2011 at 05:17 PM..
This User Gave Thanks to DGPickett For This Post:
Gopi Krishna P
 

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LEARN ABOUT NETBSD

isapnp

ISAPNP(4)						   BSD Kernel Interfaces Manual 						 ISAPNP(4)

NAME

     isapnp -- introduction to ISA Plug-and-Play support

SYNOPSIS

     isapnp0 at isa?

     An
     isapnp bus can be configured for each supported ISA bus.

DESCRIPTION

     NetBSD provides machine-independent bus support and drivers for ISA Plug-and-Play (isapnp) autoconfiguration of PnP-compatible devices on an
     ISA bus.

SUPPORTED DEVICES

     NetBSD includes machine-independent ISAPNP drivers, sorted by function and driver name:

   SCSI interfaces
	   aha	      Adaptec AHA-154[02] SCSI interfaces.

	   aic	      Adaptec AHA-1520B SCSI interfaces.

   Disk controllers
	   wdc	      Standard IDE and ATAPI drive controller.

   Serial and parallel interfaces
	   com	      8250/16450/16550-compatible ISA PnP serial cards and internal modems.

   Network interfaces
	   an	      Aironet 4500/4800 and Cisco 340 series 802.11 interfaces.

	   ep	      3Com 3c509B EtherLink III Ethernet interface.

	   le	      PCnet-PnP Ethernet interfaces based on the successor to the AMD LANCE chip.

	   ne	      NE2000-compatible Ethernet interfaces.

	   tr	      TROPIC based token ring interfaces.

   Sound cards
	   ess	      ESS Technology derived PnP sound cards and devices.

	   guspnp     Gravis Ultrasound PnP sound cards.

	   sb	      SoundBlaster, SoundBlaster 16, and SoundBlaster Pro sound cards.

	   wss	      Windows Sound System compatible cards, e.g., most of the cards with Crystal Semiconductor chips.

	   ym	      Yamaha OPL3-SAx sound cards.

   Miscellaneous devices
	   pcic       PCI PCMCIA controllers, including the Cirrus Logic GD6729.

     ISA Plug-and-Play devices also have alternate ISA drivers with static ISA IO address configuration.  These are listed in isa(4).  The isapnp
     bus ignores devices that have already been found and configured as isa(4) devices.  The isapnp bus is only effective on machines which lack a
     PnP BIOS, or  on which the PnP BIOS has been disabled.  The manual pages for each individual isapnp driver also list the supported front-ends
     for other buses.

SEE ALSO

     aha(4), aic(4), an(4), com(4), ep(4), ess(4), guspnp(4), intro(4), isa(4), le(4), ne(4), pcic(4), sb(4), tr(4), wdc(4), wss(4), ym(4)

HISTORY

     The isapnp driver appeared in NetBSD 1.3.

BSD
								 February 17, 1997							       BSD
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