Intel Xeon - Manual (Page 28)

28 Intel ® Xeon™ Processor, Intel ® E7520 Chipset, Intel ® 6300ESB ICH Development Kit User’s Manual
System Overview
5.4 SMBus
Figure 8 below illustrates the routing of the SMBus signal among the components.
Figure 8. SMBus Block Diagram
B2939-03
Intel
®
6300ESB I/O
Controller Hub
PCI-X 133 MHz
Slot (Slot #1)
PCI-X 100 MHz
Slot (Slot #2)
PCI-X 100 MHz
Slot (Slot #3)
PCI Express
Slot (Slot #4)
PCI Express
Slot (Slot #5)
PCI-X 66 MHz
Slot (Slot #6)
PCI-X 66 MHz
Slot (Slot #7)
PCI 32-bit /
33 MHz (Slot #8)
LM 93
DIMM #A1
Addr 0xA0
ITP-XDP
SMBus
Master Only
DDR CH A DDR CH B
DIMM #A2
Addr 0xA2
DIMM #B1
Addr 0xA8
DIMM #B2
Addr 0xAA
SMBus
Repeater
0 9
0 9
0 9
3.3 VSBY
3.3 VSBY
Intel ® E7520
Chipset
PXH-D
CK409B
DB800
3.3 V
3.3 V
SMBALERT_N
ICH_SMB
MCH
_SMB
SMBus
Repeater