Asus KCMA-D8 - Manual (Page 41)

ASUS KCMA-D8 2-23
2.5.4 PCI Express x16 slots (x16 link; x8 link)
The onboard PCI Express x16 slots provides one x16 link and one x8 link to AMD
SR5670 chipset. These slots support VGA cards and various server class high
performance add-on cards.
2.5.5 PCI Express x8 slot (x4 link)
The onboard PCI Express x8 slot supports cards that comply with the PCI Express
specifications.
2.5.6 PCI slots
The PCI slots support cards such as a LAN card, SCSI card, USB card, and other
cards that comply with the PCI specifications.
2.5.7 PIKE slot
The PIKE slot allows you to choose and change your preferred SAS solution easily.
Install an optional ASUS PIKE RAID card based on your needs.
The PIKE Interface is for ASUS PIKE RAID card only.
PCI slot
PIKE Interface
PCI-E x8 slot (Gen2 x4 link)
(Auto turn off if PIKE slot
is occupied, MIO supported)
PCI slot
PCI-E x16 slot (Gen2 x8 link)
PCI slot
PCI-E x16 slot (Gen2 x16 link)