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PCIe-some questions [message #77671]

Sun, 31 December 2006 10:41

Messages: 1124
Registered: July 2005

Senior Member

Does each PCIe slot have it's own bus or are all PCIe slots on a mobo
sharing the same PCIe bus?

Are IRQ's shared between devices that are using different PCIe slots?

Are IRQ's shared between devices using the PCIe slots and the legacy PCI
slots?

My brain is starting to squirm with some thoughts of stupid computer tricks.

;o)

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Re: PCIe-some questions [message #77674 is a reply to message #77671]

Sun, 31 December 2006 10:45

Aaron Allen

Messages: 1988
Registered: May 2008

Senior Member

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This help Doug?

Even if they do share, looks like the bandwidth issues are pretty null =
at the higher rates at the very least - as long as the system shares =
nicely.=20
Common Buses and their Max Bandwidth=20
PCI 132 MB/s=20
AGP 8X 2,100 MB/s=20
PCI Express 1x 250 [500]* MB/s=20
PCI Express 2x 500 [1000]* MB/s=20
PCI Express 4x 1000 [2000]* MB/s=20
PCI Express 8x 2000 [4000]* MB/s=20
PCI Express 16x 4000 [8000]* MB/s=20
PCI Express 32x 8000 [16000]* MB/s=20
IDE (ATA100) 100 MB/s=20
IDE (ATA133) 133 MB/s=20
SATA 150 MB/s=20
Gigabit Ethernet 125 MB/s=20
IEEE1394B [firewire] 100 MB/s=20

http://www.interfacebus.com/Design_Connector_PCI_Express.htm l

PCI-e Spec 1.1
http://www.pcisig.com/specifications/pciexpress/

PCI-e spec 2.0
http://www.pcisig.com/news_room/faqs/pcie2.0_faq/

AA

"DJ" <nowayjose@dude.net> wrote in message news:4598014c@linux...
> Does each PCIe slot have it's own bus or are all PCIe slots on a mobo=20
> sharing the same PCIe bus?
>=20
> Are IRQ's shared between devices that are using different PCIe slots?
>=20
> Are IRQ's shared between devices using the PCIe slots and the legacy =
PCI=20
> slots?
>=20
> My brain is starting to squirm with some thoughts of stupid computer =
tricks.
>=20
> ;o)=20
>=20
>
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<BODY>
<DIV><FONT face=3DArial size=3D2><STRONG>This help =
Doug?</STRONG></FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Even if they do share, looks like the =
bandwidth=20
issues are pretty null at the higher rates at the very least - as long =
as the=20
system shares nicely. </FONT></DIV>
<DIV>
<TABLE>
<TBODY>
<TR>
<TH><FONT face=3DArial size=3D2>Common Buses and their Max=20
Bandwidth</FONT></TH></TR>
<TR>
<TD><FONT face=3DArial size=3D2>PCI</FONT></TD>
<TD><FONT face=3DArial size=3D2>132 MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>AGP 8X</FONT></TD>
<TD><FONT face=3DArial size=3D2>2,100 MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>PCI Express 1x</FONT></TD>
<TD><FONT face=3DArial size=3D2>250 [500]* MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>PCI Express 2x</FONT></TD>
<TD><FONT face=3DArial size=3D2>500 [1000]* MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>PCI Express 4x</FONT></TD>
<TD><FONT face=3DArial size=3D2>1000 [2000]* MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>PCI Express 8x</FONT></TD>
<TD><FONT face=3DArial size=3D2>2000 [4000]* MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>PCI Express 16x</FONT></TD>
<TD><FONT face=3DArial size=3D2>4000 [8000]* MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>PCI Express 32x</FONT></TD>
<TD><FONT face=3DArial size=3D2>8000 [16000]* MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>IDE (ATA100)</FONT></TD>
<TD><FONT face=3DArial size=3D2>100 MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>IDE (ATA133)</FONT></TD>
<TD><FONT face=3DArial size=3D2>133 MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>SATA</FONT></TD>
<TD><FONT face=3DArial size=3D2>150 MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>Gigabit Ethernet</FONT></TD>
<TD><FONT face=3DArial size=3D2>125 MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>IEEE1394B [firewire]</FONT></TD>
<TD><FONT face=3DArial size=3D2>100 =
MB/s</FONT></TD></TR></TBODY></TABLE><BR><BR><A=20
href=3D" http://www.interfacebus.com/Design_Connector_PCI_Express.htm l"><F=
ONT=20
face=3DArial=20
size=3D2> http://www.interfacebus.com/Design_Connector_PCI_Express.htm l</F=
ONT></A></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>PCI-e Spec 1.1</FONT></DIV>
<DIV><A href=3D"http://www.pcisig.com/specifications/pciexpress/"><FONT =
face=3DArial=20
size=3D2>http://www.pcisig.com/specifications/pciexpress/</FONT></A></DIV=
>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>PCI-e spec 2.0</FONT></DIV>
<DIV><A href=3D"http://www.pcisig.com/news_room/faqs/pcie2.0_faq/"><FONT =

face=3DArial=20
size=3D2>http://www.pcisig.com/news_room/faqs/pcie2.0_faq/</FONT></A></DI=
V>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>AA</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>"DJ" <</FONT><A=20
href=3D"mailto:nowayjose@dude.net"><FONT face=3DArial=20
size=3D2>nowayjose@dude.net</FONT></A><FONT face=3DArial size=3D2>> =
wrote in=20
message </FONT><A href=3D"news:4598014c@linux"><FONT face=3DArial=20
size=3D2>news:4598014c@linux</FONT></A><FONT face=3DArial=20
size=3D2>...</FONT></DIV><FONT face=3DArial size=3D2>> Does each PCIe =
slot have=20
it's own bus or are all PCIe slots on a mobo <BR>> sharing the same =
PCIe=20
bus?<BR>> <BR>> Are IRQ's shared between devices that are using =
different=20
PCIe slots?<BR>> <BR>> Are IRQ's shared between devices using the =
PCIe=20
slots and the legacy PCI <BR>> slots?<BR>> <BR>> My brain is =
starting=20
to squirm with some thoughts of stupid computer tricks.<BR>> <BR>> =
;o)=20
<BR>> <BR>></FONT></BODY></HTML>

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Re: PCIe-some questions [message #77675 is a reply to message #77674]

Sun, 31 December 2006 10:50

Messages: 1124
Registered: July 2005

Senior Member

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So the additional bandwidth of PCIe would basically allow driver sharing =
between devices that would go normally go to war on a PCI "only" mobo?

;o)
"Aaron Allen" <know-spam@not_here.dude> wrote in message =
news:459802a7@linux...
This help Doug?

Even if they do share, looks like the bandwidth issues are pretty null =
at the higher rates at the very least - as long as the system shares =
nicely.=20
Common Buses and their Max Bandwidth=20
PCI 132 MB/s=20
AGP 8X 2,100 MB/s=20
PCI Express 1x 250 [500]* MB/s=20
PCI Express 2x 500 [1000]* MB/s=20
PCI Express 4x 1000 [2000]* MB/s=20
PCI Express 8x 2000 [4000]* MB/s=20
PCI Express 16x 4000 [8000]* MB/s=20
PCI Express 32x 8000 [16000]* MB/s=20
IDE (ATA100) 100 MB/s=20
IDE (ATA133) 133 MB/s=20
SATA 150 MB/s=20
Gigabit Ethernet 125 MB/s=20
IEEE1394B [firewire] 100 MB/s=20

http://www.interfacebus.com/Design_Connector_PCI_Express.htm l

PCI-e Spec 1.1
http://www.pcisig.com/specifications/pciexpress/

PCI-e spec 2.0
http://www.pcisig.com/news_room/faqs/pcie2.0_faq/

AA

"DJ" <nowayjose@dude.net> wrote in message news:4598014c@linux...
> Does each PCIe slot have it's own bus or are all PCIe slots on a =
mobo=20
> sharing the same PCIe bus?
>=20
> Are IRQ's shared between devices that are using different PCIe =
slots?
>=20
> Are IRQ's shared between devices using the PCIe slots and the legacy =
PCI=20
> slots?
>=20
> My brain is starting to squirm with some thoughts of stupid computer =
tricks.
>=20
> ;o)=20
>=20
>
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<DIV><FONT face=3DArial size=3D2>So the additional bandwidth of PCIe =
would basically=20
allow driver sharing between devices that would go normally go to war on =
a PCI=20
"only" mobo?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>;o)</FONT></DIV>
<BLOCKQUOTE=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV>"Aaron Allen" <<A=20
=
href=3D"mailto:know-spam@not_here.dude">know-spam@not_here.dude</A>> =
wrote in=20
message <A =
href=3D"news:459802a7@linux">news:459802a7@linux</A>...</DIV>
<DIV><FONT face=3DArial size=3D2><STRONG>This help =
Doug?</STRONG></FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Even if they do share, looks like the =
bandwidth=20
issues are pretty null at the higher rates at the very least - as long =
as the=20
system shares nicely. </FONT></DIV>
<DIV>
<TABLE>
<TBODY>
<TR>
<TH><FONT face=3DArial size=3D2>Common Buses and their Max=20
Bandwidth</FONT></TH></TR>
<TR>
<TD><FONT face=3DArial size=3D2>PCI</FONT></TD>
<TD><FONT face=3DArial size=3D2>132 MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>AGP 8X</FONT></TD>
<TD><FONT face=3DArial size=3D2>2,100 MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>PCI Express 1x</FONT></TD>
<TD><FONT face=3DArial size=3D2>250 [500]* MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>PCI Express 2x</FONT></TD>
<TD><FONT face=3DArial size=3D2>500 [1000]* MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>PCI Express 4x</FONT></TD>
<TD><FONT face=3DArial size=3D2>1000 [2000]* MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>PCI Express 8x</FONT></TD>
<TD><FONT face=3DArial size=3D2>2000 [4000]* MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>PCI Express 16x</FONT></TD>
<TD><FONT face=3DArial size=3D2>4000 [8000]* MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>PCI Express 32x</FONT></TD>
<TD><FONT face=3DArial size=3D2>8000 [16000]* =
MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>IDE (ATA100)</FONT></TD>
<TD><FONT face=3DArial size=3D2>100 MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>IDE (ATA133)</FONT></TD>
<TD><FONT face=3DArial size=3D2>133 MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>SATA</FONT></TD>
<TD><FONT face=3DArial size=3D2>150 MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>Gigabit Ethernet</FONT></TD>
<TD><FONT face=3DArial size=3D2>125 MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>IEEE1394B [firewire]</FONT></TD>
<TD><FONT face=3DArial size=3D2>100=20
MB/s</FONT></TD></TR></TBODY></TABLE><BR><BR><A=20
=
href=3D" http://www.interfacebus.com/Design_Connector_PCI_Express.htm l"><F=
ONT=20
face=3DArial=20
=
size=3D2> http://www.interfacebus.com/Design_Connector_PCI_Express.htm l</F=
ONT></A></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>PCI-e Spec 1.1</FONT></DIV>
<DIV><A =
href=3D"http://www.pcisig.com/specifications/pciexpress/"><FONT=20
face=3DArial=20
=
size=3D2>http://www.pcisig.com/specifications/pciexpress/</FONT></A></DIV=
>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>PCI-e spec 2.0</FONT></DIV>
<DIV><A =
href=3D"http://www.pcisig.com/news_room/faqs/pcie2.0_faq/"><FONT=20
face=3DArial=20
=
size=3D2>http://www.pcisig.com/news_room/faqs/pcie2.0_faq/</FONT></A></DI=
V>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>AA</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>"DJ" <</FONT><A=20
href=3D"mailto:nowayjose@dude.net"><FONT face=3DArial=20
size=3D2>nowayjose@dude.net</FONT></A><FONT face=3DArial size=3D2>> =
wrote in=20
message </FONT><A href=3D"news:4598014c@linux"><FONT face=3DArial=20
size=3D2>news:4598014c@linux</FONT></A><FONT face=3DArial=20
size=3D2>...</FONT></DIV><FONT face=3DArial size=3D2>> Does each =
PCIe slot have=20
it's own bus or are all PCIe slots on a mobo <BR>> sharing the same =
PCIe=20
bus?<BR>> <BR>> Are IRQ's shared between devices that are using=20
different PCIe slots?<BR>> <BR>> Are IRQ's shared between =
devices using=20
the PCIe slots and the legacy PCI <BR>> slots?<BR>> <BR>> My =
brain is=20
starting to squirm with some thoughts of stupid computer =
tricks.<BR>>=20
<BR>> ;o) <BR>> <BR>></FONT> </BLOCKQUOTE></BODY></HTML>

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Re: PCIe-some questions [message #77676 is a reply to message #77675]

Sun, 31 December 2006 11:00

Aaron Allen

Messages: 1988
Registered: May 2008

Senior Member

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I'd think that depends on the drivers. Graphics cards are definitely =
suspect IMO.=20
"DJ" <nowayjose@dude.net> wrote in message news:45980372@linux...
So the additional bandwidth of PCIe would basically allow driver =
sharing between devices that would go normally go to war on a PCI "only" =
mobo?

;o)
"Aaron Allen" <know-spam@not_here.dude> wrote in message =
news:459802a7@linux...
This help Doug?

Even if they do share, looks like the bandwidth issues are pretty =
null at the higher rates at the very least - as long as the system =
shares nicely.=20
Common Buses and their Max Bandwidth=20
PCI 132 MB/s=20
AGP 8X 2,100 MB/s=20
PCI Express 1x 250 [500]* MB/s=20
PCI Express 2x 500 [1000]* MB/s=20
PCI Express 4x 1000 [2000]* MB/s=20
PCI Express 8x 2000 [4000]* MB/s=20
PCI Express 16x 4000 [8000]* MB/s=20
PCI Express 32x 8000 [16000]* MB/s=20
IDE (ATA100) 100 MB/s=20
IDE (ATA133) 133 MB/s=20
SATA 150 MB/s=20
Gigabit Ethernet 125 MB/s=20
IEEE1394B [firewire] 100 MB/s=20

http://www.interfacebus.com/Design_Connector_PCI_Express.htm l

PCI-e Spec 1.1
http://www.pcisig.com/specifications/pciexpress/

PCI-e spec 2.0
http://www.pcisig.com/news_room/faqs/pcie2.0_faq/

AA

"DJ" <nowayjose@dude.net> wrote in message news:4598014c@linux...
> Does each PCIe slot have it's own bus or are all PCIe slots on a =
mobo=20
> sharing the same PCIe bus?
>=20
> Are IRQ's shared between devices that are using different PCIe =
slots?
>=20
> Are IRQ's shared between devices using the PCIe slots and the =
legacy PCI=20
> slots?
>=20
> My brain is starting to squirm with some thoughts of stupid =
computer tricks.
>=20
> ;o)=20
>=20
>
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<STYLE></STYLE>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2>I'd think that depends on the drivers. =
Graphics=20
cards are definitely suspect IMO. </FONT></DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV>"DJ" <<A =
href=3D"mailto:nowayjose@dude.net">nowayjose@dude.net</A>>=20
wrote in message <A=20
href=3D"news:45980372@linux">news:45980372@linux</A>...</DIV>
<DIV><FONT face=3DArial size=3D2>So the additional bandwidth of PCIe =
would=20
basically allow driver sharing between devices that would go normally =
go to=20
war on a PCI "only" mobo?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>;o)</FONT></DIV>
<BLOCKQUOTE=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV>"Aaron Allen" <<A=20
=
href=3D"mailto:know-spam@not_here.dude">know-spam@not_here.dude</A>> =
wrote=20
in message <A =
href=3D"news:459802a7@linux">news:459802a7@linux</A>...</DIV>
<DIV><FONT face=3DArial size=3D2><STRONG>This help =
Doug?</STRONG></FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Even if they do share, looks like =
the bandwidth=20
issues are pretty null at the higher rates at the very least - as =
long as=20
the system shares nicely. </FONT></DIV>
<DIV>
<TABLE>
<TBODY>
<TR>
<TH><FONT face=3DArial size=3D2>Common Buses and their Max=20
Bandwidth</FONT></TH></TR>
<TR>
<TD><FONT face=3DArial size=3D2>PCI</FONT></TD>
<TD><FONT face=3DArial size=3D2>132 MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>AGP 8X</FONT></TD>
<TD><FONT face=3DArial size=3D2>2,100 MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>PCI Express 1x</FONT></TD>
<TD><FONT face=3DArial size=3D2>250 [500]* MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>PCI Express 2x</FONT></TD>
<TD><FONT face=3DArial size=3D2>500 [1000]* =
MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>PCI Express 4x</FONT></TD>
<TD><FONT face=3DArial size=3D2>1000 [2000]* =
MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>PCI Express 8x</FONT></TD>
<TD><FONT face=3DArial size=3D2>2000 [4000]* =
MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>PCI Express 16x</FONT></TD>
<TD><FONT face=3DArial size=3D2>4000 [8000]* =
MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>PCI Express 32x</FONT></TD>
<TD><FONT face=3DArial size=3D2>8000 [16000]* =
MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>IDE (ATA100)</FONT></TD>
<TD><FONT face=3DArial size=3D2>100 MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>IDE (ATA133)</FONT></TD>
<TD><FONT face=3DArial size=3D2>133 MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>SATA</FONT></TD>
<TD><FONT face=3DArial size=3D2>150 MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>Gigabit Ethernet</FONT></TD>
<TD><FONT face=3DArial size=3D2>125 MB/s</FONT></TD></TR>
<TR>
<TD><FONT face=3DArial size=3D2>IEEE1394B [firewire]</FONT></TD>
<TD><FONT face=3DArial size=3D2>100=20
MB/s</FONT></TD></TR></TBODY></TABLE><BR><BR><A=20
=
href=3D" http://www.interfacebus.com/Design_Connector_PCI_Express.htm l"><F=
ONT=20
face=3DArial=20
=
size=3D2> http://www.interfacebus.com/Design_Connector_PCI_Express.htm l</F=
ONT></A></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>PCI-e Spec 1.1</FONT></DIV>
<DIV><A =
href=3D"http://www.pcisig.com/specifications/pciexpress/"><FONT=20
face=3DArial=20
=
size=3D2>http://www.pcisig.com/specifications/pciexpress/</FONT></A></DIV=
>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>PCI-e spec 2.0</FONT></DIV>
<DIV><A =
href=3D"http://www.pcisig.com/news_room/faqs/pcie2.0_faq/"><FONT=20
face=3DArial=20
=
size=3D2>http://www.pcisig.com/news_room/faqs/pcie2.0_faq/</FONT></A></DI=
V>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>AA</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>"DJ" <</FONT><A=20
href=3D"mailto:nowayjose@dude.net"><FONT face=3DArial=20
size=3D2>nowayjose@dude.net</FONT></A><FONT face=3DArial =
size=3D2>> wrote in=20
message </FONT><A href=3D"news:4598014c@linux"><FONT face=3DArial=20
size=3D2>news:4598014c@linux</FONT></A><FONT face=3DArial=20
size=3D2>...</FONT></DIV><FONT face=3DArial size=3D2>> Does each =
PCIe slot have=20
it's own bus or are all PCIe slots on a mobo <BR>> sharing the =
same PCIe=20
bus?<BR>> <BR>> Are IRQ's shared between devices that are =
using=20
different PCIe slots?<BR>> <BR>> Are IRQ's shared between =
devices=20
using the PCIe slots and the legacy PCI <BR>> slots?<BR>> =
<BR>> My=20
brain is starting to squirm with some thoughts of stupid computer=20
tricks.<BR>> <BR>> ;o) <BR>> <BR>></FONT>=20
</BLOCKQUOTE></BLOCKQUOTE></BODY></HTML>

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