ASUS PRL-DLS533 motherboard user guide
2-13
2.6.3 PCI slots
This motherboard implements the PCI-X (Peripheral Component Interconnect
Extended) bus technology to support up to 100MHz data transfers, or about
800MB/s. This bus technology is primarily designed for servers to increase
the performance of high bandwidth devices such as Gigabit Ethernet cards
and Ultra320 SCSI interfaces. PCI-X is backward compatible with the earlier
PCI bus technology making it possible to install PCI and PCI-X cards at the
same time, but the bus speed will be that of the slowest card. The following
figure shows the five PCI-X slots and one PCI slot on the motherboard.
PCI-X1 to
PCI-X3* to
PCI-X2
PCI-X4
PCI64
53C1030
64-bit/100MHz PCI-X
64-bit/100MHz PCI-X
64-bit/33MHz PCI
Onboard
SCSI
PCI-X Slot
PCI-X slots (PCI X1 to X4)
The motherboard may come with either the LSI
®
53C1010R or the LSI
®
53C1030 SCSI controller. Depending on the onboard SCSI controller, the
following table shows the varying bus speeds for the PCI-X slots according to
the PCI-X specification 1.0a.
*
PCI-X3 supports the AMI MegaRAID 320-0 or Intel SRU ZCR Card
PCI slot (PCI32)
PCI32 is a 32-bit/33MHz 5V PCI slot with a Low Pin Count (LPC) signal
connector to accommodate the ASUS Server Management Card. This slot
has the same specifications regardless of the onboard SCSI controller.
PCI slot (PCI64)
PCI64 is a 64-bit/33MHz 3.3V PCI slot which supports up to 266MB/s
bandwidth and supports most PCI expansion cards used in servers.
PCI-X1
PCI-X2
PCI-X3
PCI-X4
PCI64
PCI32
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