Global American 3307740, User Manual

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3307740 PICMG 1.3 CPU Card
Page 32
2.5.3.2 PCIe x16 Expansion Options
The PCIe x16 can be interfaced to either one PCIe x16 graphics card or a single PCIe x1
expansion card on a compatible PICMG 1.3 backplane.
2.5.3.3 PCIe x16 Bus Specifications
Some of the PCIe x16 bus specifications are listed below.
„ Compliant with the current PCI Express Base Specification base PCIe
frequency of 2.5GHz
„ Raw bit rate on the pins is 250Gb/s
„ Maximum theoretical bandwidth of 4GB/s in each direction resulting in an
8GB/s bandwidth when in PCIe x16 mode
„ 100MHz differential reference clock
„ PCIe power management support
„ L0, L1, L2/L3 ready, L3
„ Hierarchical PCI compliant configuration mechanism for downstream
components
„ PCIe extended configuration space
„ PCIe enhanced addressing mechanism
„ Supports traditional PCI traffic
„ Supports traditional AGP traffic
„ APIC and MSI messaging support
2.5.4 Intel
®
915GM Integrated Graphics
The Intel® 915GM northbridge chipset has an integrated graphics engine that supports
the following display devices:
„ Analog CRT
„ Digital LVDS
„ TV-Out
„ S-DVO ports