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AST2050 Firmware Update
The BMC will allow users to upgrade firmware image on following entities:
BMC
All other upgradable entities
The update capability shall be provided on local and remote interface.
DOS Recovery Utility
SOCFLASH Utility
WebUI Update
Remote update can be achieved through remote Web console.
Temperature Monitoring
AST2050 supports temperature sensors through external sensors such as W83627EHG or TPM75. Temperatures are
threshold bases, which supports UCT (Upper Critical Threshold), UNRT (Upper Non-Recoverable Threshold). These
values are decided by thermal engineers to meet safety standards. The other sensors are discrete base temperature sensors.
Below is an example of temperature thresholds. Prefix "Mainboard" only appears in Web UI.
Temperature
CPU0 Temp
CPU1 Temp
MB Temp
FP Temp
BP Temp
DIMM Temp[1]
PROC_HOT0 [2]
PROC_HOT1 [2]
IOH_THERMALTRIP[2]
IOH Temp
[1] DIMM Temp can't be read when host in BIOS POST.
[2] These sensors belong to discrete temperature sensor.
Voltage Monitoring
AST2050 supports voltage sensors through external sensor W83627EHG. All the threshold voltage will support UCT, UNCT,
LCT and LNCT assertion and de-assertion. These thresholds are decided and fixed by EE engineer and not allowed for user
to change it. Due to the calculation deviation, +-0.063 of reading value is acceptable.
Sensor Number
LCT
44h
N/A
45h
N/A
40h
N/A
41h
N/A
43h
N/A
42h
N/A
21h
N/A
22h
N/A
25h
N/A
46h
N/A
74
LNCT
UCT
N/A
102
N/A
102
N/A
75
N/A
50
N/A
55
N/A
100
N/A
N/A
N/A
N/A
N/A
N/A
N/A
105
Chapter 4 — BMC
UNCT
98
98
70
45
52
95
N/A
N/A
N/A
95
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Troubleshooting
