4 PCI Express card area for cards on the riser card assembly 1
There are two PCI Express card slots on the riser card assembly 1.
Figure 15. Riser card assembly 1
Notes:
• For a RAID card, it must be installed into the upper slot (callout 2 ) on the riser card assembly 1. For an
expander card, it must be installed into the lower slot (callout 1 ) on the riser card assembly 1.
• If a ThinkServer Host Bus Adapter is available, refer to its user guide for detailed information. The user
guide is available for download at:
http://www.lenovo.com/drivers
PCI Express
card slot
Physical link
width
Negotiable link width
Supported card length and height
1
x8 x8, x4, x2, x1
Half-length, full-height card (recommended for
installing an expander card)
2
x16 x16, x8, x4, x2, x1
Half-length, full-height card (recommended for
installing a supported RAID card)
Chapter 3. Product overview 27
