Re: 10/100/100 adapters

From: Mills, John T (9814) (John.T.Mills@ERAC.COM)
Date: Mon May 10 2004 - 11:29:21 EDT

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Think USB 1.0 versus USB 2.0. PCI-X is much faster. One issue with this
is found on older architectures. I found that a 6H1 capped at around 1200Mbps
for the entire machine because the PCI-X cards were flooding the processors.
You really need p630's or greater to take advantage of PCI-X.

-----Original Message-----
From: IBM AIX Discussion List [mailto:aix-l@Princeton.EDU]On Behalf Of Mark Schlechte
Sent: Monday, May 10, 2004 9:44 AM
To: aix-l@Princeton.EDU
Subject: Re: [aix-l] 10/100/100 adapters

Do you know, from a throughput perspective, how does PCI-X compare to PCI?
Looks like I'd rather get the 5701 is possible but based on my OS level now I may have to source
the 2975.

>>> TWilleat@MHP.SMHS.COM 05/07/04 03:30pm >>>

The 2975 is PCI and works with 4.3.3 and 5L; the 5701 is PCI-X and works with 5L only. The 2975 is not being sold anymore, although my IBM reseller said its possible to get them used...

-----Original Message-----
From: Mark Schlechte [mailto:MSCHLECH@REGINA.CA]
Sent: Friday, May 07, 2004 4:05 PM
To: aix-l@Princeton.EDU
Subject: 10/100/100 adapters

Can someone clarify the difference betyween the 2975 and the 5701 adapters?
If I check the pci adapter placement guide I know I can verify if it is compatable with my server
but I'm having a hard time figuring out which pci adapter guide corresponds to which specific
adapter model. I have a mix of AIX 4.3.3 and 5L and my understanding is I need the 2975
if I am still running AIX 4.3.3.

Mark

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