Lenovo 3057 Maintenance Manual page 43

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 18. Riser card assembly 1
Notes:
• For a RAID card, it must be installed into the upper slot (callout
expander card, it must be installed into the lower slot (callout
• On the riser card assembly 1, the color of the lower slot (callout
slot color, there are no other differences between a riser card assembly 1 with a white lower slot and
a riser card assembly 1 with a black lower slot.
• 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 Physical link
card slot
x8
1
x16
2
Negotiable link width
width
x4, x2, x1
x16, x8, x4, x2, x1
2 ) on the riser card assembly 1. For an
1 ) on the riser card assembly 1.
1 ) can be black or white. Except the
Supported card length and height
Half-length, full-height card (recommended for
installing an expander card)
Half-length, full-height card (recommended for
installing a supported RAID card)
.
Chapter 3
29
Product overview