System Controller: I2C Interface

10006024-04 Katana®752i User’s Manual 5-9

Figure 5-2: I2C Interface Diagram

0xA4
MV64460 initialization
ROM
0xA6
NVRAM
Configurable
address
through
software
control
Qlogic
ZirconPM IPMI
Controller
Configurable
address
through
software
control
Marvell
MV64460
Bridge
0xD0
Real-time
clock
0xAE
SODIMM
ROM I2C #1
I2C #2
Devices on IPMI power
MV1_SDA/SCL
IPMI_SDA/SCL
ipmi_rst*
mv1_port_sel
0xA0
IPMI
Bootloader
and FRU ROM
0xA2
IPMI Bootcode
ROM
0x90
Temperature
sensor
PVT_SDA/SCL
0x92
Temperature
sensor
MUX
ipmi_rst*
I2C #0
Backplane IPMB