AFL-26/42A-9652 Panel PCPage viiiA.2.2 Cleaning Tools ............................................................................................... 125B BIOS OPTIONS ........................................................................................................ 126C TERMINOLOGY ..................................................................................................... 130D DIGITAL I/O INTERFACE..................................................................................... 134D.1 I NTRODUCTION ...................................................................................................... 135D.2 DIO CONNECTOR PINOUTS ................................................................................... 135D.3 ASSEMBLY LANGUAGE SAMPLES ........................................................................... 136D.3.1 Enable the DIO Input Function .................................................................... 136D.3.2 Enable the DIO Output Function.................................................................. 136E WATCHDOG TIMER............................................................................................... 137F ADDRESS MAPPING............................................................................................... 140F.1 DIRECT M EMORY A CCESS (DMA) ......................................................................... 141F.2 I NPUT /OUTPUT (IO) ............................................................................................... 141F.3 I NTERRUPT REQUEST (IRQ) ................................................................................... 143F.4 M EMORY ................................................................................................................ 144G HAZARDOUS MATERIALS DISCLOSURE ....................................................... 145G.1 HAZARDOUS M ATERIALS DISCLOSURE TABLE FOR IPB PRODUCTS CERTIFIED ASROHS C OMPLIANT UNDER 2002/95/EC WITHOUT M ERCURY ..................................... 146