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Chapter 1: Introduction
1-3
Onboard Controllers/Ports
An onboard IDE controller supports one fl oppy drive and one Ultra ATA 133 hard
drive or ATAPI device. Onboard I/O backpanel ports include one serial COM port,
two USB ports, a VGA (monitor) port, PS/2 mouse and keyboard ports, a parallel
port and two GLAN (RJ45) ports.
Other Features
Other onboard features that promote system health include voltage monitors, a
chassis intrusion header, auto-switching voltage regulators, chassis and CPU
overheat sensors, virus protection and BIOS rescue.
Figure 1-1 . nVidia MCP55 Pro Chipset:
System Block Diagram
Note: This is a general block diagram. Please see Chapter 5 for details.
DIMM 1A
DIMM 2A
nVidia
MCP55 Pro
128-bit data + 16-bit ECC
DDR2-800/667/533/400
SATA Ports (6)
IDE (ATA133) (1)
USB 2.0 Ports (6)
S I/O BIOS
Floppy
Kybd/
Mouse
Serial/Parallel
Ports
AMD Socket AM2
CPU
LPC
SIMLP
(IPMI)
ATI ES1000
Slot 6: PCI-E x16
16 x 16 HT link (1 GHz)
DIMM 1B
DIMM 2B
Slot 4: PCI-E x4
PCI-Exp Bus
Slot 3: PCI-E x8
Slot 5: PCI
Slot 2: PCI
Slot 1: PCI
PCI Bus
PHY
88E1121
GLAN Ports (2)