Lenovo 2594 Server User Manual


 
3 PCI Express card area for cards on the riser card assembly 2
There are three PCI Express card slots on the riser card assembly 2 for installing Ethernet cards or other
supported PCI Express cards.
Figure 14. Riser card assembly 2
Note: The slot
1 and slot 2 are supported only in server models with two microprocessors. For server
models with one microprocessor, the slot 1 and slot 2 are covered. If you install the second microprocessor
in the server, you need to remove the covers that protect the slot 1 and slot 2 before installing any
supported cards into the slots.
PCI Express
card slot
Physical link
width
Negotiable link width
Supported card length and height
1
x16 x8, x4, x2, x1
Half-length, full-height card
2
x8 x8, x4, x2, x1
Half-length, full-height card
3
x8 x8, x4, x2, x1
Low-prole card
26 ThinkServer User Guide