Asus DSBV-DX/C - Manual (Page 48)

2-26 Chapter 2: Hardware information
2.5.4 PCI/PCI-X slots
The PCI/PCI-X slots support cards such
as a LAN card, SCSI card, USB card,
and other cards that comply with PCI 2.3
and PCI-X 1.0 specifications. The figure
shows a LAN card installed on a PCI slot.
32-bit PCI slot
64-bit PCI-X slot
The figure shows a RAID card installed
on a PCI-X slot.
When installing an optional ZCR card, install the card on PCIX1 slot (colored
green on DSBV-DX/SAS model).