Справочник Пользователя для Intel SERVER CHASSIS SR2500 SR2500

Intel® Server System SR2500AL 

 

The Intel

®

 Server Board S5000PAL has two riser slots capable of supporting riser cards for both 

1U and 2U system configurations. Because of board placement resulting in different pin 
orientations, and expanded technology support associated with the full-height riser, the riser 
slots are not the same and require different riser cards.  

The low profile riser slot (J5B1) utilizes a 98-pin connector. It is capable of supporting up to two 
low profile PCIe* add-in cards. The x8 PCIe bus can support bus speeds of up to 20Gb/S. The 
following table provides the supported bus throughput for the given riser card used and the 
number of add-in cards installed.  

2U X4 X4 

Note: There are no population rules for installing a single low profile add-in card in the 2U low 
profile riser card; a single add in card can be installed in either PCI Express* slot.  While each 
slot can accommodate a x8 card, each slot will only support x4 bus speeds. 

 
The full height riser slot (J4F1) implements Intel

®

 Adaptive Slot Technology. This 280-pin 

connector is capable of supporting riser cards that meet either the PCI-X* or PCI Express* 
technology specifications. The following tables show the maximum bus speed supported with 
different add-in card populations.  

2U – 3 add-in card slots 

Up to 100MHz in top PCI 
slot 

Up to 100MHz using top 
and middle slots 

66MHz 

Note: For the 2U PCI-X* (passive) riser card, add-in cards should be installed starting with the 
top slot first, followed by the middle, and then the bottom. Any add-in card populated in the 
bottom PCI slot will cause the bus to operate at 66MHz. 

 
 

2U 

Up to 133MHz 

Up to 133MHz 

Up to 133MHz 

Note: Each PCI slot on the 2U PCI-X* (active) riser card operates on an independent PCI bus. 
Using an add-in card that operates below 133MHz will not affect the bus speed of the other PCI 
slots.