name: HT82H791 function: PC System Health Monitor package: LQFP48,48 manufacturer: Holtek +-----------+----------------+----------+-----------+ | 1 - VID3 | 13 - THIN | 25 - nIOR| 37 - VDD | | 2 - nBEEP| 14 - T3 | 26 - nIOW| 38 - GNDD | | 3 - VID4 | 15 - T2 | 27 - SCLK| 39 - SRST | | 4 - GNDA | 16 - T1 | 28 - SD7 | 40 - nCHAS| | 5 - IN6 | 17 - VDD | 29 - SD6 | 41 - nPSB | | 6 - VFB5 | 18 - nOS | 30 - SD5 | 42 - FAN3 | | 7 - IN5 | 19 - nSCI/nIIRQ| 31 - SD4 | 43 - FAN2 | | 8 - IN4 | 20 - nSMI | 32 - SD3 | 44 - FAN1 | | 9 - IN3 | 21 - SA2 | 33 - SD2 | 45 - SCL | | 10 - IN2 | 22 - SA1 | 34 - SD1 | 46 - SDA | | 11 - IN1 | 23 - SA0 | 35 - SD0 | 47 - nRST | | 12 - IN0 | 24 - nCS | 36 - VID1| 48 - VID2 | +-----------+----------------+----------+-----------+ This pinout came from the Chipdir: http://www.chipdir.org/