Dell Vostro 410, Service Manual, Page: 21 / 121

System Overview 1-11
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The video subsystem consists of either a high-speed, high-resolution AGP or a
PCI graphics adapter card. (For more information, see the documentation that
came with the graphics adapter card.) AGP greatly improves graphics perfor-
mance by providing a dedicated bus for a faster interface between the video
subsystem and system memory. AGP also allows conventional memory to be
used for video-related tasks.
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Dell Precision 410 systems contain an integrated 10/100-Mbps 3Com PCI
3C905b-TX NIC (uses a 3Com 3C917 application-specific integrated circuit
[ASIC]). The NIC subsystem connects to the Ethernet network through a single
RJ45 connector on the back panel of the computer.
The 10/100-Mbps NIC supports a 10-Mbps direct connection to either a
Category 3 or a Category 5 Ethernet cable. When the NIC operates in the
100-Mbps mode, a Category 5 Ethernet cable must be used.
Chapter 5, “Using the Network Interface Controller,” in the User’s Guide pro-
vides instructions for connecting the computer to, and configuring it for use
on, an Ethernet network.
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USB capability simplifies connection of peripheral devices such as mice, print-
ers, and computer speakers. The USB connectors on the computer’s back
panel provide a single connection point for multiple USB-compliant devices.
USB-compliant devices can be connected and disconnected while the com-
puter is running.
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If a processor or hard-disk drive exceeds its recommended operating tempera-
ture range, a system event triggers a system management interrupt (SMI),
which alerts the BIOS. If the Dell ThermalShutdown Service is installed, the
power indicator flashes and a message appears on the monitor to alert the
user that the system will shut down in an orderly manner, preventing the loss
of data. If the service is unable to shut down the system within approximately
3 minutes, the BIOS powers down the computer. If the ThermalShutdown Ser-
vice is not installed, the computer turns off immediately.
NOTE: The BIOS powers down the computer in the event of a thermal alert
only if the Thermal Power-Off category is set to ENABLED in the System Setup
program.