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Full Discussion: Lspci: PCI Devices?
Special Forums Hardware Lspci: PCI Devices? Post 302838505 by Lost in Cyberia on Tuesday 30th of July 2013 12:33:45 AM
Old 07-30-2013
Lspci: PCI Devices?
hey everyone, just a general question. I did an lspci on my home computer, and it got me thinking... When I hear pci..I think of the physical slots on your motherboard. usually beige in color.. But the list returned to me is of atleast 20 items. None of which, (besides the graphics card) is plugged into a pci slot... Some things like memory controller, 1,4,5, high definition audio, Address map, DRAM controller, and the most bizarre, Serial ATA Controller... So does this mean, that these devices built onto the motherboard are using the same PCI bus that have the two slots on my board? And why is a SATA controller using a PCI bus? And lastly, how many devices can all comfortably live on 1 bus? Or are all these different PCI buses?
 

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LEARN ABOUT NETBSD

jmide

JMIDE(4)						   BSD Kernel Interfaces Manual 						  JMIDE(4)

NAME

     jmide -- JMicron Technology JMB36x PCIe to SATA II/PATA controller driver

SYNOPSIS

     jmide* at pci? dev ? function ? flags 0x0000
     ahcisata* at jmide?

DESCRIPTION

     The jmide driver supports the JMicron Technology JMB36x IDE controllers.

     These PCI-e controllers exist in different flavors (1 or 2 PATA Ultra/133 ports and/or 1 or 2 SATA-II ports), and are highly flexible.  The
     SATA ports can be attached to the integrated AHCI controller or attached to the PCI IDE channels in PATA emulation, in either single-drive
     emulation on each PCI IDE channels, or in master/slave emulation on one of the PCI IDE channels.

     When enabled, the AHCI controller can either be on the PCI function 0 or function 2.  The PCI IDE controller can also be on either PCI func-
     tion, and can share the PCI function with AHCI.  The jmide driver supports both the AHCI controller and PCI IDE controller in various config-
     urations.

SEE ALSO

     ahcisata(4), ata(4), atapi(4), intro(4), pci(4), pciide(4), wd(4), wdc(4)

AUTHORS

     The jmide driver was written by Manuel Bouyer.

BSD
								   July 2, 2007 							       BSD
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