[root at fnpt126 superodoctor]# i2cdump 0 0x2f No size specified (using byte-data access) WARNING! This program can confuse your I2C bus, cause data loss and worse! I will probe file /dev/i2c-0, address 0x2f, mode byte Continue? [Y/n] y 0 1 2 3 4 5 6 7 8 9 a b c d e f 0123456789abcdef 00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 10: 00 00 64 64 93 00 00 53 00 ff 00 00 05 00 00 b3 ..dd?..S....?..? 20: aa aa 53 4d 4a 9e d2 2e ff 1f 21 c6 94 c6 94 ff ??SMJ??..?!????. 30: 00 ff 00 52 43 b7 87 ff 00 7f 00 ed ed ed e1 b3 ...RC??..?.????? 40: 03 00 00 e7 7f ff ff bb 2f 13 73 c4 4d ff 80 5c ?..??..?/?s?M.?\ 50: ff ff ff ff ff ff ff ff 7a 60 ff bb bb 00 05 7f ........z`.??.?? 60: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ 70: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ 80: 22 8f 22 8f 00 00 00 00 11 11 ff ff 3c 3c 0a 0a "?"?....??..<<?? 90: 00 00 00 01 8f ff 00 00 11 ff 3c 00 ff 01 2b ff ...??...?.<..?+. a0: 01 01 01 8f 8f 8f 8f ff 48 20 00 e0 ff ff 00 00 ???????.H .?.... b0: d2 20 ff ff ff 00 ff 00 ff ff ff ed ed ed ff ff ? .........???.. c0: 1b 80 00 44 00 4e 00 ff 1f 00 00 44 00 4e 00 ff ??.D.N..?..D.N.. d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ e0: 8b 8b 8b 28 3c 50 28 3c 50 28 3c 50 ff ff ff ff ???(<P(<P(<P.... f0: ff ff 80 ff 00 01 00 a0 ff 02 ff 00 00 00 00 ff ..?..?.?.?...... >From AllSuperD.ini we know the following So if we can figure out what kind of chip it is, we know which signal is where. There is a 6300ESB "Hance Rapids" controller on this board, it may be that this may have something to do with it. 00:1f.3 SMBus: Intel Corp. 6300ESB SMBus Controller (rev 02) I will look at the board. Documentation is silent on what kind of sensor chip it may be. I have a query into Supermicro. Steve [_X6DVL_] [_X6DAL_] [_X6DVA_] [System] I2CConnector=TRUE BusType=1 System=D484 Machinename= Polling=5 Pageralert=FALSE PagerID= Outline= Phonenumber= Mailalert=FALSE FreshRun=TRUE TopMost=TRUE Log=0 AutoRunSDII=FALSE Mailserver=mail.yourcompany.com Serverport=25 Mailbox=to at yourcompany.com SenderMailBox=from at yourcompany.com MailAuthen=FALSE SenderAccount= SenderPassword= Enterprise=1.3.6.1.4.1.10876 H_Name=2.1.1.1.1.2 H_Type=2.1.1.1.1.3 H_Reading=2.1.1.1.1.4 H_High=2.1.1.1.1.5 H_Low=2.1.1.1.1.6 H_Max=2.1.1.1.1.7 H_Min=2.1.1.1.1.8 H_Divisor=2.1.1.1.1.9 H_Monitor=2.1.1.1.1.10 [Item] BusType=1 Item_Name=Fan1 Fan Speed Comp_Name=Fan1 Item_ID=Item_FAN1 Item_Cat=FAN ChipCode=7 Slave=2f Offset=28 ParaIndex1=Divisor1 ParaIndex2=FAN1H Monitor=TRUE Source=0 [Item] BusType=1 Item_Name=Fan2 Fan Speed Comp_Name=Fan2 Item_ID=Item_FAN2 Item_Cat=FAN ChipCode=7 Slave=2f Offset=29 ParaIndex1=Divisor2 ParaIndex2=FAN2H Monitor=TRUE Source=0 [Item] BusType=1 Item_Name=Fan3 Fan Speed Comp_Name=Fan3 Item_ID=Item_FAN3 Item_Cat=FAN ChipCode=7 Slave=2f Offset=2a ParaIndex1=Divisor3 ParaIndex2=FAN3H Monitor=TRUE Source=0 [Item] BusType=1 Item_Name=Fan4 Fan Speed Comp_Name=Fan4 Item_ID=Item_FAN4 Item_Cat=FAN ChipCode=7 Slave=2f Offset=b8 ParaIndex1=Divisor4 ParaIndex2=FAN4H Monitor=TRUE Source=0 [Item] BusType=1 Item_Name=Fan5 Fan Speed Comp_Name=Fan5 Item_ID=Item_FAN5 Item_Cat=FAN ChipCode=7 Slave=2f Offset=b9 ParaIndex1=Divisor5 ParaIndex2=FAN5H Monitor=TRUE Source=0 [Item] BusType=1 Item_Name=Fan6 Fan Speed Comp_Name=Fan6 Item_ID=Item_FAN6 Item_Cat=FAN ChipCode=7 Slave=2f Offset=ba ParaIndex1=Divisor6 ParaIndex2=FAN6H Monitor=TRUE Source=0 [Item] BusType=1 Item_Name=+1.5V Voltage Comp_Name=+1.5V Item_ID=Item_VOL1 Item_Cat=VOLTAGE VOL_FUNC=VCCP ChipCode=1 Slave=2c Offset=20 ParaIndex1=VOL1H ParaIndex2=VOL1L Monitor=TRUE Source=0 [Item] BusType=1 Item_Name=3.3Vsb Voltage Comp_Name=3.3Vsb Item_ID=Item_VOL2 Item_Cat=VOLTAGE VOL_FUNC=VCCP ChipCode=1 Slave=2c Offset=21 ParaIndex1=VOL2H ParaIndex2=VOL2L Monitor=TRUE Source=0 [Item] BusType=1 Item_Name=+5V Voltage Comp_Name=+5V Item_ID=Item_VOL3 Item_Cat=VOLTAGE VOL_FUNC=P5V ChipCode=1 Slave=2c Offset=23 ParaIndex1=VOL3H ParaIndex2=VOL3L Monitor=TRUE Source=0 [Item] BusType=1 Item_Name=-12V Voltage Comp_Name=-12V Item_ID=Item_VOL4 Item_Cat=VOLTAGE VOL_FUNC=N12V ChipCode=1 Slave=2c Offset=25 ParaIndex1=VOL4H ParaIndex2=VOL4L Monitor=TRUE Source=0 [Item] BusType=1 Item_Name=+12V Voltage Comp_Name=+12V Item_ID=Item_VOL5 Item_Cat=VOLTAGE VOL_FUNC=P12V ChipCode=1 Slave=2c Offset=24 ParaIndex1=VOL5H ParaIndex2=VOL5L Monitor=TRUE Source=0 [Item] BusType=1 Item_Name=+3.3V Voltage Comp_Name=+3.3V Item_ID=Item_VOL6 Item_Cat=VOLTAGE VOL_FUNC=P33V ChipCode=1 Slave=2c Offset=22 ParaIndex1=VOL6H ParaIndex2=VOL6L Monitor=TRUE Source=0 [Item] BusType=1 Item_Name=CPU1 Core Voltage Comp_Name=CPU1 Core Item_ID=Item_VOL7 Item_Cat=VOLTAGE VOL_FUNC=VCCP ChipCode=7 Slave=2f Offset=20 ParaIndex1=VOL7H ParaIndex2=VOL7L Monitor=TRUE Source=0 [Item] BusType=1 Item_Name=CPU2 Core Voltage Comp_Name=CPU2 Core Item_ID=Item_VOL8 Item_Cat=VOLTAGE VOL_FUNC=VCCP ChipCode=7 Slave=2f Offset=21 ParaIndex1=VOL8H ParaIndex2=VOL8L Monitor=TRUE Source=0 [Item] BusType=1 Item_Name=+1.2V Voltage Comp_Name=+1.2V Item_ID=Item_VOL9 Item_Cat=VOLTAGE VOL_FUNC=P33V ChipCode=7 Slave=2f Offset=24 ParaIndex1=VOL9H ParaIndex2=VOL9L Monitor=TRUE Source=0 [Item] BusType=1 Item_Name=DIMM Voltage Comp_Name=DIMM Item_ID=Item_VOL10 Item_Cat=VOLTAGE VOL_FUNC=P33V ChipCode=7 Slave=2f Offset=25 ParaIndex1=VOL10H ParaIndex2=VOL10L Monitor=TRUE Source=0 [Item] BusType=1 Item_Name=CPU1 Temperature Comp_Name=CPU1 Item_ID=Item_TEMP1 Item_Cat=TEMP Slave=2f Offset=c0 ParaIndex1=TEMP1H ParaIndex2=TEMP1L Monitor=TRUE Source=0 [Item] BusType=1 Item_Name=CPU2 Temperature Comp_Name=CPU2 Item_ID=Item_TEMP2 Item_Cat=TEMP Slave=2f Offset=c8 ParaIndex1=TEMP2H ParaIndex2=TEMP2L Monitor=TRUE Source=0 [Item] BusType=1 Item_Name=System Temperature Comp_Name=System Item_ID=Item_TEMP3 Item_Cat=TEMP Slave=2c Offset=27 ParaIndex1=TEMP3H ParaIndex2=TEMP3L Monitor=TRUE Source=0 [Item] BusType=1 Item_Name=Chassis Intrusion Comp_Name=Intrusion Item_ID=Item_SWITCH1 Item_Cat=SWITCH ChipCode=7 Slave=2f Offset=aa Activate=10 Reset=44 ParaIndex1=SWITCH1A ParaIndex2=SWITCH1C Monitor=TRUE Source=0 [Item] Item_Name=Power Supply Failure Comp_Name=Power Item_ID=Item_SWITCH2 Item_Cat=SWITCH ChipCode=4 Slave=07 Offset=f1 Activate=00 Reset=00 ParaIndex1=SWITCH2A ParaIndex2=SWITCH2C Monitor=TRUE Source=0 [Parameter] ChipCode=7 Slave=2f Offset=47 BitMask=03 Parameter=Divisor1 hipCode=7 Slave=2f Offset=47 BitMask=30 Parameter=Divisor2 [Parameter] ChipCode=7 Slave=2f Offset=5b BitMask=03 Parameter=Divisor3 [Parameter] ChipCode=7 Slave=2f Offset=5b BitMask=30 Parameter=Divisor4 [Parameter] ChipCode=7 Slave=2f ffset=5c BitMask=03 Parameter=Divisor5 [Parameter] ChipCode=7 Slave=2f Offset=5c BitMask=30 Parameter=Divisor6 [Parameter] Slave=2c Offset=2b Parameter=VOL1H [Parameter] Slave=2c Offset=2c Parameter=VOL1L [Parameter] Slave=2c Offset=2d Parameter=VOL2H [Parameter] Slave=2c Offset=2e Parameter=VOL2L [Parameter] Slave=2c Offset=31 Parameter=VOL3H [Parameter] Slave=2c Offset=32 Parameter=VOL3L [Parameter] Slave=2c Offset=35 Parameter=VOL4H [Parameter] Slave=2c Offset=36 Parameter=VOL4L [Parameter] Slave=2c Offset=33 Parameter=VOL5H [Parameter] Slave=2c Offset=34 Parameter=VOL5L [Parameter] Slave=2c Offset=2f Parameter=VOL6H [Parameter] Slave=2c Offset=30 Parameter=VOL6L [Parameter] Slave=2f Offset=2b Parameter=VOL7H [Parameter] Slave=2f Offset=2c Parameter=VOL7L [Parameter] Slave=2f Offset=2d Parameter=VOL8H [Parameter] Slave=2f Offset=2e Parameter=VOL8L [Parameter] Slave=2f Offset=33 Parameter=VOL9H [Parameter] Slave=2f Offset=34 Parameter=VOL9L [Parameter] Slave=2f Offset=35 Parameter=VOL10H [Parameter] Slave=2f Offset=36 Parameter=VOL10L [Parameter] Slave=2f Offset=c5 Parameter=TEMP1H [Parameter] Slave=2f Offset=c3 Parameter=TEMP1L [Parameter] Slave=2f Offset=cd Parameter=TEMP2H [Parameter] Slave=2f Offset=cb Parameter=TEMP2L [Parameter] ------------------------------------------------------------------ Steven C. Timm, Ph.D (630) 840-8525 timm at fnal.gov http://home.fnal.gov/~timm/ Fermilab Computing Div/Core Support Services Dept./Scientific Computing Section Assistant Group Leader, Farms and Clustered Systems Group Lead of Computing Farms Team