AMPTRON PM-9800 Manuale d'uso - Pagina 8
Sfoglia online o scarica il pdf Manuale d'uso per Scheda madre AMPTRON PM-9800. AMPTRON PM-9800 16. Pentium 75mhz to 233mhz pci, ultra dma/33 & high speed multi i/o intel 430tx chipset system board
PM-9800 MAINBOARD MANUAL
JP1 - CMOS RAM Discharge Selector
PIN
DESCRIPTION
1-2
Normal Mode (default)
2-3
Clear CMOS
Make sure that JP1 is set to Normal Mode (pins
1-2) before installing the mainboard.
JPX1 - CPU Fan Connector
PIN
DESCRIPTION
1
Data
2
+12V
3
Ground
JPX4 - DIMM Voltage Selector
JPX4A
JPX4B
1 - 2
1 - 2
2 - 3
2 - 3
SW1 - CPU External Clock Selector
SW1-1
SW1-2
ON
ON
OFF
OFF
OFF
OFF
ON
OFF
OFF
ON
SW2 - CPU Core Voltage Selector
SW2-1
SW2-2
ON
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
ON
OFF
ON
OFF
OFF
ON
ON
SW3 - CPU Clock Multiplier Selector
SW3-1
SW3-2
OFF
OFF
ON
OFF
ON
ON
OFF
ON
OFF
OFF
ON
OFF
ON
ON
DESCRIPTION
5V
3.3V (default)
SW1-3
DESCRIPTION
ON
50MHz
ON
60MHz
OFF
66MHz
OFF
75MHz
ON
83MHz
SW2-3
DESCRIPTION
ON
2.5V
OFF
2.8V
ON
2.9V
OFF
3.0V
ON
3.0V
OFF
3.2V
ON
3.3V
OFF
3.5V
SW3-3
DESCRIPTION
N/A
1.5X
N/A
2.0X
N/A
2.5X
N/A
3.0X
OFF
3.5X
ON
4.0X
ON
4.5X