Tomcat i7221 S5150
Chapter 3: BIOS Setup
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two devices results in fewer pins per device package, which reduces PCI Express chip and
board design cost and reduces board design complexity. PCI Express performance is also
highly scalable. This is achieved by implementing scalable numbers for pins and signal lanes
per interconnect based on communication performance requirements for that interconnect.
However, PCI Express is software backwards compatible with existing PCI systems. In fact, a
PCI Express system will boot an existing OS with no changes to current drivers and
application programs. Even PCI/ACPI power management software will still run.
PCI Express Slots 1-2
When enabled, the BIOS checks these ports to detect and activate the PCI devices connected
to them.
When set to Auto, the BIOS auto determines whether to enable or disable them, depending on
whether PCI devices have been connected.
Auto
/ Enabled / Disabled
PCI-E Compliance Mode
This BIOS option determines compatibility between PCI-Express specification v1.0 and PCI-
Express specification v1.0a.
V1.0a
/ V1.0