486-DX33 MHz			
J1: Keyboard Connector	J2: Mouse Connector	J3: VGA Monitor Connector	
J5: Parallel Port Connector	J6: Serial Port B Connector	J7: Power Connecotr #1	
J8: ISA Bus Extension Slot	J9: Power Connecotr #2	J10: VGA Feature Connecotr	
J18: IDE Port Connector	J19: Floppy Drives Connector	J21: Modem Connecotr	
J28: External Battery Connecotr	J35: Aux Fan Power	J36: Front Panel Connector	
J38: Aux Speaker	J11: On-board VGA Enable	J16: On-board Super I/O Enable	
J22: VGA IRQ Enable	J24: On-board Battery Disable	J27: Mouse Enable	
J41: On-board DRAM Disable			
J39 Speaker Select
1-2 On-board Speaker
2-3 Aux Speaker	J37: Keylock
IN Locked
OUT Unlocked	J14 Password Override
IN OVERRIDE/CLEAR
OUT Normal Operation	
J17 Boot Option
1-2 Boot from Boot Block
2-3 Normal Operation	J13 Printer port
1-2 IRQ7
2-3 IRQ5	J12 Color /Mono
IN Color
OUT Mono	
J40&J34 CPU Upgrade Type
J34	J40
486Dx 1-2, 5-6	1-2, 5-6
487SX 1-2, 5-6	1-2, 5-6
486SX 5-6	3-4
None	3-4	1-2, 5-6	CPU Clock Speed Set
J23 / J25 / J26
20MHz	IN/OUT/OUT
25MHz	OUT/IN/IN
33MHz	OUT/IN/OUT
40MHz	OUT/OUT/IN