Question regarding 32- and 64-bit PCI
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Posted by on March 8, 2006, 12:05 am
Please log in for more thread options Question regarding PCI buses. I own a Dell PowerEdge 1400SC, that has a PCI slot with the following specs: One 5-V, half-length, 32-bit, 33-MHz (slot 2), used for video card I'm interested in buying a new video card for this machine, and it must be PCI-based as I've no PCI-E 16x or AGP slots. I'm looking at the ChainTech P-FX20: http://www.chaintechusa.com/tw/eng/product_spec.asp?MPSNo=14&PISNo=201 But am unable to determine the bus type of this card. It is merely spec'ed as using a PCI. Does this imply a 32-bit bus? I'm quite confused by this, and am very worried about ordering an improper card for this system. Any help or insight you might provide would be tremendously appreciated. Thanks so much! Regards, John Quigley | |||||||||||||
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Posted by Paul on March 8, 2006, 1:53 am
Please log in for more thread options "What Is A PCI Half-Length Slot?" http://digital.ni.com/public.nsf/allkb/016489CD8467390A86256FF5005A92D2 "A half-length slot is a small PCI slot that can accommodate cards that are 6.945 inches long or shorter. The bus connection is identical to the connection on a full-length PCI slot." The connector section of a 32 bit PCI card is 3.12", and a quick check suggests the Chaintech card is 6.3" long, using the connector section as a scale. If you look at the reference pictures here, you can see that the Chaintech FX5200 has the 5V slot cut (the slot furthest from the faceplate). Your motherboard PCI slot will have a plastic "key" that will fit the slot. If your motherboard only had a 3.3V "key", then the FX5200 would not fit into the slot. http://web.archive.org/web/20020629042704/http://sunsolve.sun.com/handbook_pub/General/PCI_Info.html And when something is listed as just "PCI", that means it is 32 bit 33MHz unless stated otherwise. That is the default, lowest common denominator. I'd say go for it. Paul | |||||||||||||
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>
> Question regarding PCI buses. I own a Dell PowerEdge 1400SC, that has
> a PCI slot with the following specs:
>
> One 5-V, half-length, 32-bit, 33-MHz (slot 2), used for video card
>
> I'm interested in buying a new video card for this machine, and it must
> be PCI-based as I've no PCI-E 16x or AGP slots. I'm looking at the
> ChainTech P-FX20:
>
> http://www.chaintechusa.com/tw/eng/product_spec.asp?MPSNo=14&PISNo=201
>
> But am unable to determine the bus type of this card. It is merely
> spec'ed as using a PCI. Does this imply a 32-bit bus? I'm quite
> confused by this, and am very worried about ordering an improper card
> for this system.
>
> Any help or insight you might provide would be tremendously
> appreciated. Thanks so much!
>
> Regards,
> John Quigley