I forgot, here's the ISA dump. And sensor chip is ITE IT8728F, not IT9728F. Sorry.
------[ AIDA64 v3.20.2631 Beta ]------
------[ Microsoft Windows 7 Ultimate 6.1.7601.18247 Service Pack 1 (64-bit) ]------
------[ Motherboard Info ]------
Motherboard ID : 63-0100-000001-00101111-122211-Chipset$970A-DS3P_BIOS DATE: 04/08/13 13:20:22 VER: 04.06.05
Motherboard Model : Gigabyte GA-970A-DS3P
Motherboard Chipset : AMD 970, AMD K15
DMI MB Manufacturer : Gigabyte Technology Co., Ltd.
DMI MB Product : 970A-DS3P
DMI MB Version : x.x
DMI MB Serial : To be filled by O.E.M.
DMI SYS Manufacturer: Gigabyte Technology Co., Ltd.
DMI SYS Product : To be filled by O.E.M.
DMI SYS Version : To be filled by O.E.M.
DMI SYS Serial : To be filled by O.E.M.
DMI BIOS Version : F1
ITE 87xx Port = 2Eh
ITE 87xx HWMonitor Port = 0228h
ITE 87xx Device ID = 8728h
ITE 87xx Version = 01h
Winbond SuperIO Port = 00h
Winbond SuperIO HWMonitor Port/60 = 0000h
Winbond SuperIO HWMonitor Port/64 = 0000h
Winbond SuperIO Device ID = FFFFh
Fintek SuperIO Port = 00h
Fintek SuperIO HWMonitor Port = 0000h
Fintek SuperIO Device ID = 0000h
LPC47 SuperIO HWMonitor Port = 0000h
LPC47 SuperIO Device ID = FFFFh
------[ LM78 ISA Sensor Device at 0228 ]------
0000 1B 00 00 00 FF EF 00 00 00 80 48 05 30 3D FF 01
0010 FF FF FF 76 C7 82 80 82 01 FF 02 FF FF FF FF FF
0020 4E 7B AC A9 A3 69 BA 88 82 19 20 06 BA 00 0F 0F
0030 FF 00 FF 00 FF 00 FF 00 FF 00 FF 00 FF 00 FF 00
0040 7F 7F 7F 7F 7F 7F 5F 40 AD 6A D4 00 FF FF FF FF
0050 FF CA 7F 7F 7F 80 00 00 90 00 00 12 65 00 00 00
0060 00 00 00 00 00 00 00 FF 00 14 32 46 20 03 00 FF
0070 00 14 41 60 1C 03 00 FF FF FF FF FF FF FF FF FF
0080 FF FF FF FF FF FF FF FF 00 00 00 00 00 0F 00 05
0090 FF 00 00 00 FF 00 00 00 42 99 00 00 01 DA F2 06
00A0 60 41 41 41 41 41 41 FF FF FF FF FF FF FF FF FF
00B0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
00C0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
00D0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
00E0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
00F0 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
0029 002A 002B
T: 25 32 16
T: 25 32 16
T: 25 32 15
T: 25 32 15
T: 25 32 13
T: 25 32 11
T: 25 31 10
T: 25 31 7
T: 25 31 5
T: 25 32 6
Reg$20 CPU Core: r = 78, r*0.016 = 1.25
Reg$21 CPU Aux: r = 123, r*0.016 = 1.97
Reg$22 +3.3 V: r = 172, r*0.016 = 2.75
Reg$23 +5 V: r = 169, r*0.016 = 2.70
Reg$24 +12 V: r = 163, r*0.016 = 2.61
Reg$25 -12 V: r = 105, r*0.016 = 1.68
Reg$26 -5 V: r = 186, r*0.016 = 2.98
------[ SB7xx/8xx/9xx PM2 at 0CD0 ]------
0000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 FF FF
0010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 FF FF
0020 00 00 00 00 00 00 00 00 00 00 00 00 00 00 FF FF
0030 00 00 00 00 00 00 00 00 00 00 00 00 00 00 FF FF
0040 00 00 00 00 00 00 00 00 00 00 00 00 00 00 FF FF
0050 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
0060 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0070 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 FF
0080 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF
0090 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00A0 00 00 00 00 00 00 00 00 00 FF FF FF FF FF FF FF
00B0 00 FF 00 00 FF 00 00 FF 00 00 00 00 00 00 00 00
00C0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00D0 00 00 00 00 00 00 00 00 FF FF FF FF FF FF FF FF
00E0 00 00 00 00 00 00 00 00 00 00 F4 19 01 00 00 00
00F0 19 0A 02 05 C8 20 80 00 00 04 00 55 08 08 00 00
Reg$59VIN0: r = $FFFF, r*0.000046 = 3.0146
Reg$5DVIN1: r = $FFFF, r*0.000046 = 3.0146
Reg$61VIN2: r = $0000, r*0.000046 = 0.0000
Reg$65VIN3: r = $0000, r*0.000046 = 0.0000
Reg$69VIN4: r = $0000, r*0.000046 = 0.0000
Reg$6DVIN5: r = $0000, r*0.000046 = 0.0000
Reg$71VIN6: r = $0000, r*0.000046 = 0.0000
Reg$75VIN7: r = $0000, r*0.000046 = 0.0000
------[ SB7xx/8xx/9xx PM at 0CD6 ]------
0000 0E 00 4F 4A 00 04 00 02 B4 05 04 02 06 21 43 55
0010 FF 0F 00 00 FF 0F 00 00 00 00 00 00 00 00 00 00
0020 00 00 D1 FE 01 00 D8 FE 21 0B 00 00 01 0B 00 00
0030 00 00 00 00 07 00 C0 FE 00 00 00 00 00 00 00 00
0040 00 00 00 00 00 00 00 80 F1 00 C0 FE 03 00 00 00
0050 1F 00 D0 FE 90 00 00 97 01 FF 04 44 00 05 00 04
0060 00 08 04 08 08 08 10 08 20 08 B2 00 00 FE BA 00
0070 00 00 00 00 1F 00 00 06 FF FF 01 80 85 01 E0 A0
0080 9F 3A 06 20 00 00 00 00 30 10 00 00 9E 00 80 00
0090 02 05 02 0B 05 00 10 00 00 10 00 10 03 4B 00 00
00A0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00B0 00 00 00 00 00 0B 05 05 08 00 08 40 02 00 53 00
00C0 F9 0B 58 40 3C 02 00 00 0C 40 28 00 FF FF FF FF
00D0 00 00 30 00 00 00 00 00 15 00 91 00 01 00 10 03
00E0 D8 0C 00 00 00 00 00 02 00 00 00 01 03 12 00 7F
00F0 9C 03 00 00 00 00 01 21 6C 27 00 00 00 00 00 00
------[ ACPI Temperatures & Fans ]------
_TZ_.THM0._TMP :
_TZ_.THM1._TMP :
_TZ_.THR0._TMP :
_TZ_.THR1._TMP :
_TZ_.TZ00._TMP :
_TZ_.TZ01._TMP :
_TZ_.RTMP :
_TZ_.RFAN :
_TZ_.RFAN(0) :
_TZ_.RFAN(1) :
_SB_.ATKD._HID :
_SB_.ATKD.TMPR :
_SB_.PCI0.LPC0.EC0_.CCTV :
_SB_.PCI0.LPC0.EC0_.LRPM :
_SB_.PCI0.LPC0.EC0_.HRPM :
_SB_.PCI0.SBRG.EC0_.ECPU :
_SB_.PCI0.SBRG.EC0_.TACH(0):
_SB_.PCI0.SBRG.EC0_.TACH(1):
_SB_.PCI0.SBRG.EC0_.TAH0 :
_SB_.PCI0.SBRG.EC0_.TAH1 :
_SB_.PCI0.SBRG.EC0_.ST00 :
_SB_.PCI0.SBRG.EC0_.SC01 :
_SB_.PCI0.SBRG.EC0_.SC02 :
_SB_.PCI0.SBRG.EC0_.SC03 :
_SB_.PCI0.SBRG.EC0_.SC04 :
_SB_.PCI0.SBRG.EC0_.SC05 :
_SB_.PCI0.SBRG.EC0_.SC06 :
_SB_.PCI0.PIB_.EC0_.TCRT :
_SB_.PCI0.SBRG.EC0_.CTPM :
_SB_.PCI0.SBRG.EC__.CPUT :
_SB_.PCI0.SBRG.EC__.SYST :
_SB_.PCI0.LPC_.EC0_.CTMP :
_SB_.PCI0.LPCB.EC0_.CTMP :
_SB_.PCI0.LPC_.EC0_.TMP1 :
_SB_.PCI0.LPC_.EC0_.TMP2 :
_SB_.PCI0.LPC_.EC0_.TMPI :
_SB_.PCI0.LPC_.EC0_.TMPV :
_SB_.PCI0.LPCB.EC0_.A1TP :
_SB_.PCI0.LPCB.EC0_.A2TP :
_SB_.PCI0.LPCB.EC0_.FAN0 :
_SB_.PCI0.LPCB.EC__.TS1R :
_SB_.PCI0.LPCB.EC__.TS2R :
_SB_.PCI0.LPCB.EC__.TS3R :
_SB_.PCI0.LPCB.EC__.F1FL :
_SB_.PCI0.LPCB.EC__.F1FH :
_SB_.PCI0.LPCB.EC__.F2FL :
_SB_.PCI0.LPCB.EC__.F2FH :
_SB_.PCI0.LPC_.H8EC.RTMP :
_SB_.PCI0.LPC_.H8EC.LTMP :
_SB_.PCI0.LPC_.H8EC.MTMP :
_SB_.PCI0.LPC_.H8EC.GTMP :
_SB_.PCI0.LPCB.H8EC.CTMP :
_SB_.PCI0.LPCB.H8EC.DTMP :
_SB_.PCI0.LPCB.H8EC.GTMP :
_SB_.PCI0.LPCB.H8EC.ITMP :
_SB_.PCI0.LPCB.H8EC.MTMP :
_SB_.PCI0.LPCB.H8EC.STMP :
_SB_.PCI0.LPCB.H8EC.PFAN :
_SB_.PCI0.LPCB.EC0_.OTPC :
_SB_.PCI0.LPCB.EC0_.VGAT :
_SB_.PCI0.LPCB.EC0_.CHPT :
_SB_.PCI0.LPCB.EC0_.CPUT :
_SB_.PCI0.LPCB.EC0_.SYST :
_SB_.PCI0.LPCB.EC0_.DTS1 :
_SB_.PCI0.LPCB.EC0_.DTS2 :
_SB_.PCI0.LPCB.EC0_.DIMM :
_SB_.PCI0.LPCB.EC0_.FANH :
_SB_.PCI0.LPCB.EC0_.FANL :
_SB_.PCI0.LPCB.EC0_.CUTP :
_SB_.PCI0.LPCB.EC0_.PHTP :
_SB_.PCI0.LPCB.EC0_.DIMT :
_SB_.PCI0.LPCB.EC0_.INLE :
_SB_.PCI0.LPCB.EC0_.PANT :
_SB_.PCI0.LPCB.EC0_.F0RM :
_SB_.PCI0.LPCB.EC0_.F0DT :
_SB_.PCI0.LPCB.EC0_.F1RM :
_SB_.PCI0.LPCB.EC0_.F1DT :
_SB_.SAMB.TMPC :
_SB_.SAMB.TMPH :
_SB_.STR0._TMP :
_SB_.STR1._TMP :
_SB_.STR2._TMP :
_SB_.STR3._TMP :
_SB_.STR4._TMP :
_SB_.STR5._TMP :
_SB_.STR6._TMP :
_SB_.STR7._TMP :
EDIT: Installed Gigabyte EasyTune 6 utility - it reports correct (BIOS-based) voltage values. Maybe this info could help you fix the issue in the next update. However, CPU still chills below 10°C.