Pci Slot

[DashFFWD]

Hi

 

We want to purchase a dialogic card D300JCT or the DMV300 to run vg 7. What PCI slot do you need for these cards, i have been searching on the internet and i am getting PCI Express, PCI-X and i don't know the difference please help.

[SupportTeam]

D/300JCT comes in PCI or PCI-Express versions. From http://www.dialogic.com/products/tdm_boards/media_processing/D240-300JCT_Boards.htm'>http://www.dialogic.com/products/tdm_boards/media_processing/D240-300JCT_Boards.htm :

Separate models available with Universal PCI or PCI Express edge-connector

 

Universal form factor compatible with 3.3 V and 5.0 V bus signals enabling deployment in a wide variety of PCI chassis from popular manufacturers; PCI Express form factor compatible with x1 slot ( x1 or higher compatible) also available

 

DMV300BTEPEQ comes in PCI Express (PCIe) only. From http://www.dialogic.com/products/tdm_boards/media_processing

Available with PCI Express (PCIe) edge-connector

 

Full-length PCI Express form factor is compatible with x1 slots;

 

PCI-Express is the newer standard, and DMV300BTEPEQ is the newer and more capable card.

[ktruk]

DashFFWD: PCI-e and PCI-X are completely incompatible.

 

PCI-X is the older enhanced version of PCI, usually found on 'server' type boards. PCI-X motherboard slots can take either PCI cards or PCI-X cards - For PCI you have to check that they are 3.3v slots not the very old 5v slots. PCI-X is an extended version of PCI with a longer connector. Basically, if it fits, it will usually work. If it won't (because the slot is 'blocked' with a polarising key) then it won't work. PCI-X is faster and wider when using PCI-X card. If using PCI card in a PCI-X slot its speed is reduced and the extra bus bandwidth is not used. Some (but not all or even many) PCI-X cards will work in a PCI slot. Again the keys have to match and the extra edge connector that 'hangs-out' over the shorter PCI edge connector must not be fouled by other motherboard components. A PCI-X Card in a PCI slot can only work at PCI data-rates and is not recommended.

 

PCI-e is PCI-Express, the newest 'standard' and cannot accept either PCI or PCI-X. The connector is different and often shorter than PCI or PCI-X. It is faster than PCI and PCI-X.

 

PCI-X is being phased out of designs and you should choose PCI-e for 'future-proofing' your system.