Arbor Technology FPC-7900 - Page 104

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Appendices
outportb(sioIndex,0x87); /* Enable
Super I/O */
outportb(sioIndex,0x87);
outportb(sioIndex,0x07); /* Select
logic device – GPIO */
outportb(sioData, 0x06);
outportb(sioIndex,0xA2); /* GPIO
50~57 - Status */
iTemp = inportb(sioData);
outportb(sioIndex,0xF2); /* GPIO
00~07 - Status */
iStatus = inportb(sioData);
outportb(sioIndex,0xAA); /* Disable
Super I/O */
iStatus = (iStatus<<8) + iTemp;
return iStatus;
}