Hello,
I am running U910 and a hard drive temperature is 10-11 Celsius degrees higher
than in MS Windows 7, tasks are similar and rather lightweight for such laptop
(typing, www).
'Slowdown hard disk if possible' option in U910 GNOME Power Management is
enabled.
MS Windows shows 38-39 Celsius degrees, U910 shows 48-49 degrees. Room
temperature is about 25 Celsius degrees. Values are measured by hddtemp daemon
under Linux and a few special HDD utilities under MS Windows. Values are
identical and match.
U910 with standard install and official repository.
Lenovo IdeaPad Y450-3M notebook with Western Digital hard drive:
-- Disk List ---------------------------------------------------------------
(1) WDC WD2500BEVT-22ZCT0 : 250.0 GB [0-0-0, pd1]
----------------------------------------------------------------------------
(1) WDC WD2500BEVT-22ZCT0
----------------------------------------------------------------------------
Model : WDC WD2500BEVT-22ZCT0
Firmware : 11.01A11
Total Disk Size : 250.0 GB (8.4/137.4/250.0)
Buffer Size : 8192 KB
NV Cache Size : ----
Queue Depth : 32
Number of Sectors : 488397168
Rotation Rate : 5400 RPM
Interface : Serial ATA
Major Version : ATA8-ACS
Minor Version : ----
Transfer Mode : SATA/300
Power On Hours : 362 hours
Power On Count : 294 count
Temperature : 45 C (113 F)
Health Status : Good
Features : S.M.A.R.T., APM, AAM, 48bit LBA, NCQ
APM Level : 0080h [ON]
AAM Level : 80FEh [OFF]
-- S.M.A.R.T. --------------------------------------------------------------
ID Cur Wor Thr RawValues(6) Attribute Name
01 200 200 _51 000000000000 Read Error Rate
03 192 186 _21 00000000055F Spin-Up Time
04 100 100 __0 00000000012A Start/Stop Count
05 200 200 140 000000000000 Reallocated Sectors Count
07 100 253 __0 000000000000 Seek Error Rate
09 100 100 __0 00000000016A Power-On Hours
0A 100 100 _51 000000000000 Spin Retry Count
0B 100 100 __0 000000000000 Recalibration Retries
0C 100 100 __0 000000000126 Power Cycle Count
C0 200 200 __0 0000000000BD Power-off Retract Count
C1 198 198 __0 0000000022C2 Load/Unload Cycle Count
C2 102 _96 __0 00000000002D Temperature
C4 200 200 __0 000000000000 Reallocation Event Count
C5 200 200 __0 000000000000 Current Pending Sector Count
C6 100 253 __0 000000000000 Uncorrectable Sector Count
C7 200 200 __0 000000000000 UltraDMA CRC Error Count
C8 100 253 _51 000000000000 Write Error Rate
** Changed in: acpi-support (Ubuntu)
Status: Fix Released => New
--
High hard drive temperature as of acpi-support_0.114-0intrepid2. Solved as of
acpi-support_0.121.
https://bugs.launchpad.net/bugs/318346
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