Specifications

2
Hardware Description
32
Figure 5showstheSMBus/I
2
CbusmappingandlistsimportantdeviceaddressesontheCPM.
Figure 5. ATCA-46xx SMBus/I
2
C bus mapping and addressing
DDR1_SMBus
DDR23_SMBus
SPD
A0: 0xA8
A1: 0xAA
Temp Sensor
A0: 0x38
A1: 0x3A
SPD
B0: 0xA0
B1: 0xA2
C0: 0xA8
C1: 0xAA
Temp Sensor
B0: 0x30
B1: 0x32
C0: 0x38
C1: 0x3A
Xeon®
CPU0
C600
Series
PCH
DDR1_SMBus
DDR23_SMBus
SPD
A0: 0xA8
A1: 0xAA
Temp Sensor
A0: 0x38
A1: 0x3A
SPD
B0: 0xA0
B1: 0xA2
C0: 0xA8
C1: 0xAA
Temp Sensor
B0: 0x30
B1: 0x32
C0: 0x38
C1: 0x3A
QPI QPI
IPMC
H8S/2472
PECI
PECI
Master
SMBus
SMLink0
Back
plane
Supply Sequencing
Monitors with ADC/DAC
Address: 0x6A
RTM
PCIe ZĞƟmer
I C Bus 0
2
I C Bus 1
2
I C Bus 4
2
I C Bus 3
2
I C Bus 2
2
I C Bus 5
2
Address
0x44
RTM PCIe Hotswap
Update Channel
PCIe Hotswap
Address
0x40
Address
0x42
PECI
Address: 0xD0
Serial RTC
Circutry
SMLink1
Address
0x4C
I350 GbE
Controller
Addresses
LAN0 – 0x20 LAN2 – 0x70
LAN1 – 0x22 LAN3 – 0x72
Base/Front/RTM Ethernet
Prog.
Ref. POT
Address: 0x7C
Xeon®
CPU1
16-bit
I/O port
16-bit
I/O port
RDIMM
Channel A
RDIMM
Channels
B/C
RDIMM
Channels
B/C
RDIMM
Channel A
Address: 0x68
Address
0xC0
IPMC FPGA
Address
0xB0
Address
0xD0
CPU Complex
FPGA
Mellanox
CX2/CX3
Address: 0x48
Fabric Ethernet
MXM
Port
Addresses
0x9E, 0x98,
0x56, 0x32
PCIe Signal
ZĞƟmer
Address
0xC2
Prog.
Ref. POT
Address: 0x7C
Address: 0xD2
System
Clocks
Address: 0xD8
PCIe
Clock ƵīĞƌ