Intel Celeron 847 Technical Manual page 14

(3) JP2 (3-pin): LCD PVCC 5V/3.3V Select
(4) JP3 (3-pin) : Mini PCI-E Power VCC 3.3V/ 3.3VSB Select
JP2
1
1-2 closed: LCD VCC= VCC3.3V;
JP2
1
2-3 closed: LCD VCC=3VSB
JP3
1
1-2 closed: MINI PCI-E Power VCC=3.3V;
JP3
1
2-3 closed: MINI PCI-E Power VCC=3.3VSB
9
3
3
3
3