Page viiiNWAFER-LX3 3.5” Motherboard2.5.2 PCI Bridge Components .................................................................................. 272.5.3 Intel® 82551ER PCI Ethernet Controller ....................................................... 272.5.4 PCI to ISA Bridge ............................................................................................ 292.6 LPC BUS COMPONENTS ........................................................................................... 302.6.1 LPC Bus Overview........................................................................................... 302.6.2 BIOS Chipset.................................................................................................... 302.6.3 Winbond W83627EHG Super I/O chipset........................................................ 312.6.3.1 Super I/O LPC Interface ........................................................................... 322.6.3.2 Super I/O Hardware Monitor Functions ................................................... 322.6.3.3 Super I/O UART Controller...................................................................... 322.6.3.4 Super I/O Parallel Port .............................................................................. 332.6.3.5 Super I/O Floppy Disk Drive (FDD) Controller....................................... 332.6.3.6 Super I/O Keyboard and Mouse Controller .............................................. 342.6.3.7 Super I/O GPIO Ports ............................................................................... 352.6.3.8 Super I/O Fan Speed and Fan Control ...................................................... 352.7 ENVIRONMENTAL AND POWER SPECIFICATIONS ....................................................... 352.7.1 Operating Temperature and Temperature Control........................................... 352.7.2 Power Consumption......................................................................................... 353 UNPACKING .......................................................................................................... 373.1 ANTI - STATIC PRECAUTIONS ...................................................................................... 383.2 UNPACKING .............................................................................................................. 383.2.1 Unpacking Precautions.................................................................................... 383.3 UNPACKING CHECKLIST ........................................................................................... 393.3.1 Package Contents............................................................................................. 393.4 OPTIONAL I TEMS ...................................................................................................... 414 CONNECTOR PINOUTS...................................................................................... 434.1 PERIPHERAL I NTERFACE CONNECTORS ..................................................................... 444.1.1 WAFER-LX3 Layout......................................................................................... 444.1.2 Peripheral Interface Connectors ..................................................................... 454.1.3 External Interface Panel Connectors............................................................... 464.2 I NTERNAL PERIPHERAL CONNECTORS ...................................................................... 474.2.1 ATX Power Button Connector.......................................................................... 474.2.2 ATX Power Input Connector............................................................................ 48
