4-4 SPARC Enterprise Mx000 Servers XSCF User’s Guide • August 2009
The M8000/M9000 servers do not indicate Middle speed. The M3000 server
indicates multi levels. In case errors detected in the fan, Full or High speed will be
indicated.
TABLE 4-1, TABLE 4-2 and TABLE 4-3 list the fan speed level indicated by using the
showenvironment(8) command, which corresponding to the altitude configured
and the environmental temperature.
For the altitude setting, see Section 2.2.15, “Altitude Administration” on page 2-137
TABLE 4-1 Fan speed levels corresponding to altitude and environmental temperature (Entry-Level
system)
Fan speed levels Environmental temperatures by altitude
500 m or less 501-1000 m 1001-1500 m 1501-3000 m
Low speed (level-1) 20˚C or less 18˚C or less 16˚C or less 14˚C or less
Low speed (level-2) 19-22˚C 17-20˚C 15-18˚C 13-16˚C
Low speed (level-3) 21-24˚C 19-22˚C 17-20˚C 15-18˚C
Low speed (level-4) 23-26˚C 21-24˚C 19-22˚C 17-20˚C
Middle speed (level-5) 25-28˚C 23-26˚C 21-24˚C 19-22˚C
Middle speed (level-6) 27-30˚C 25-28˚C 23-26˚C 21-24˚C
High speed (level-7) 29-32˚C 27-30˚C 25-28˚C 23-26˚C
High speed (level-8) 31-34˚C 29-32˚C 27-30˚C 25-28˚C
High speed (level-9) More than 33˚C More than 31˚C More than 29˚C More than 27˚C
TABLE 4-2 Fan speed levels corresponding to altitude and environmental temperature (Midrange system)
Fan speed levels Environmental temperatures by altitude
500 m or less 501-1000 m 1001-1500 m 1501-3000 m
Low speed 25˚C or less 23˚C or less 21˚C or less 19˚C or less
Middle speed 23-30˚C 21-28˚C 19-26˚C 17-24˚C
High speed More than 28˚C More than 26˚C More than 24˚C More than 22˚C
TABLE 4-3 Fan speed levels corresponding to altitude and environmental temperature (Highend system)
Fan speed levels Environmental temperatures by altitude
500 m or less 501-1000 m 1001-1500 m 1501-3000 m
Low speed 27˚C or less 25˚C or less 23˚C or less 21˚C or less
High speed (level-9) More than 24˚C More than 22˚C More than 20˚C More than 18˚C
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