2: Key Features & Components
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User’s Manual
2•5
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Socket 603 CPU Sockets:
Single CPU installs in
socket CPU0 only.
CPU0
CPU1
Intel 860 Chipset
This motherboard uses the Intel 860 Chipset. It is a high-
powered chipset intended for workstation applications.
The components of the Intel 860 Chipset include the fol-
lowing devices mounted on the board:
• 82860 Memory & Graphics Controller Hub (MCH)
• 82801BA I/O Controller Hub (ICH2)
• 82802 AB Firmware Hub (FWH)
• 82806 AA 64-bit Bus Master PCI Expander (P64H)
The chipset provides host bus, memory, AGP, and I/O
interfaces.
CPU Sockets
Function: The System CPUs install in these sockets. You
can install either one or two CPUs, as needed.
Description: The Socket 603 CPU sockets support all Intel
Xeon CPUs that use this socket. The motherboard comes
with hardware to attach the heatsink and fan/wind tun-
nel assembly required by the Xeon CPU.
More Information: See the section in Chapter 4 on “In-
stalling CPUs” for information supported CPUs and their
installation procedure. Technical specifications are listed
in Chapter 7.
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