RadiSys ATCA-5400 RTM Spezifikationen PDF herunterladen (Seite 139)

Temperature sensor locations

139

Temperature sensor locations

As shown in Figure 18, the CPM uses I

C busses 2 and 3 to access internal temperature information

for the DIMMs, CPU cores, and the I/O hub. Table 39 provides additional details about the

temperature sensors.

Figure 18. Temperature sensor locations

DDR3

CPU

SPD Temperature Sensors

(1 on each DIMM)

AMC

IPMC

C Bus 3

MAX6618

C to PECI

IPMC I

C Bus 2

CPU Core DTS

(Sensor 17)

Read via PECI

I/O Hub

IOH Die Temp (Sensor 16)

available through register

Table 39. CPM temperature sensors

Sensors Location Bus Address

CPU CPU cores via DTS IPMC I

C Bus 2 for PECI access to the CPU through the MAX6618 0x54

IOH IOH Die Temp IPMC I

C Bus 2 0xE0

DIMM A0 SPD Temp Sensor IPMC I

C Bus 3 0x30

DIMM A1 SPD Temp Sensor IPMC I

C Bus 3 0x32

DIMM A2 SPD Temp Sensor IPMC I

C Bus 3 0x34

DIMM B0 SPD Temp Sensor IPMC I

C Bus 3 0x36

DIMM B2 SPD Temp Sensor IPMC I

C Bus 3 0x38

DIMM B0 SPD Temp Sensor IPMC I

C Bus 3 0x3A

DIMM C0 SPD Temp Sensor IPMC I

C Bus 3 0x3C

DIMM C1 SPD Temp Sensor IPMC I

C Bus 3 0x3E

1 2 ... 134 135 136 137 138 139 140 141 142 143 144 ... 173 174

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