Chapter 2 Installation Instructions
17
Expansion Slots
This motherboard includes two 32-bit master PCI slots,one PCI Express
x 1 slot and one PCI Express x 16 slot.
PCI Slots
The expansion cards can be installed in the two PCI slots. PCI slots support
cards such as a LAN card, USB card, SCSI card and other cards that comply
with PCI specifications.
PCI Express Slots
PCI Express will offer the following design advantages over the PCI and AGP
interface:
-Compatible with existing PCI driver and software and Operating Systems.
-High Bandwidth per Pin. Low latency.
-PCI Express supports a raw bit-rate of 2.5 Gb/s on the data pins.,which re-
sults in a real bandwidth per pair of 250 MB/s.
-A point to point connection, allows each device to have a dedicated connec-
tion without sharing bandwidth.
-Ability to comprehend different data structure.
-Low power consumption and power management features.
PCI Express will take two forms, x16 PCI Express slot and x1 PCI Express slot.
W hereas the x16 slot is reserved for graphics/vedio cards,the x1 slot is de-
signed to accommodate less bandwidth-intensive cards,such as a modem or
LAN card.
The difference in bandwidth between the x16 and x1 slots are not able to be
sure, with the x16 slot pushing 4GB/sec(8GB/sec concurrent) of bandwidth,and
x1 PCI Express slot offering 250MB/sec.
If a performance graphics card was installed into x16 PCI
Express slot, 20 pin power supply was strongly recommended.
Note:
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