6BXC
USER'S MANUAL
1.System power on by PS/2 Mouse: First, enable this function in CMOS Setup, then you can power on the system by double clicking the right or left button of your PS/2 Mouse.
2.System power on by Keyboard: If your ATX power supply supports larger than 300 mA 5V Stand-By current (dependent on the specification of keyboards), you can power on your system by entering password from the keyboard after setting the “Keyboard power on” password in CMOS Setup.
3.Supports 3 steps ACPI LED.
4.Modem Ring-On. (COM A , B).
5.Wake-Up on LAN. (on JP7) (The ATX power supply supports larger than 720 mA 5V Stand-By current)
For Intel Pentiumâ II / III / Celeronä Processor MAINBOARD
REV. 2.0 First Edition
R-20-01-090429
6BXC
The author assumes no responsibility for any errors or omissions which may
appear in this document nor does it make a commitment to update the
information contained herein.
Third-party brands and names are the property of their respective owners.
Sound Blaster is a registered trademark of Creative Technology Ltd in the United States and certain other countries. Sound Blaster-LINK and SB-LINK are trademarks of Creative Technology Ltd.
Apr. 29, 1999 Taipei, Taiwan
1
Quick Installation Guide
I. Quick Installation Guide :
CPU SPEED SETUP
The system bus speed is selectable between 66 / 100 MHz. The user can select the system bus speed (SW1) and change the DIP SWITCH (SW2) selection to set up the CPU speed for 233 - 633MHz processor.
Set System Bus Speed
SW1:
CPU |
AGP |
1 |
2 |
3 |
4 |
100 MHz |
66 MHz |
OFF |
OFF |
OFF |
OFF |
133 MHz |
89 MHz |
OFF |
OFF |
ON |
OFF |
112 MHz |
75 MHz |
OFF |
ON |
OFF |
OFF |
66 MHz |
66 MHz |
ON |
OFF |
OFF |
ON |
75 MHz |
75 MHz |
ON |
ON |
OFF |
ON |
83 MHz |
83 MHz |
ON |
OFF |
ON |
ON |
The CPU speed MUST match with the frequency RATIO. It will cause system hanging up if the frequency RATIO is higher than that of CPU.
SW2:
CLK RATIO |
1 |
2 |
3 |
4 |
X3 |
ON |
OFF |
ON |
ON |
X3.5 |
OFF |
OFF |
ON |
ON |
X4 |
ON |
ON |
OFF |
ON |
X4.5 |
OFF |
ON |
OFF |
ON |
X5 |
ON |
OFF |
OFF |
ON |
X5.5 |
OFF |
OFF |
OFF |
ON |
X6 |
ON |
ON |
ON |
OFF |
X6.5 |
OFF |
ON |
ON |
OFF |
X 7 |
ON |
OFF |
ON |
OFF |
X 7.5 |
OFF |
OFF |
ON |
OFF |
X 8 |
ON |
ON |
OFF |
OFF |
X 8.5 |
OFF |
ON |
OFF |
OFF |
X 9 |
ON |
OFF |
OFF |
OFF |
X 9.5 |
OFF |
OFF |
OFF |
OFF |
♦Note: It’ s strongly recommended that set the system speed according to
your hardware configuration: CPU, SDRAM, Cards, etc.
2
6BXC
+The black part in the picture is the white extruding piece of the DIP switch.
1. Pentiumâ II /Celeronä 233 / 66 MHz FSB
6BXC |
4 3 |
2 1 |
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SW1 |
OFF |
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ON |
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PIIX4
SW2 |
CPU
Intel 440BX
4 3 2 1
OFF 
ON
2. |
Pentiumâ II /Celeronä 266 / 66 MHz FSB |
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4 |
3 |
2 |
1 |
4 |
3 |
2 |
1 |
SW1 |
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OFF |
SW2 |
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OFF |
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ON |
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ON |
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3. |
Pentiumâ II /Celeronä 300/Celeronä 300A / 66 MHz FSB |
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4 |
3 |
2 |
1 |
OFF |
4 |
3 |
2 |
1 |
OFF |
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SW1 |
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SW2 |
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ON |
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ON |
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4. Pentiumâ II /Celeronä 333 / 66 MHz FSB
4 |
3 |
2 |
1 |
4 |
3 |
2 |
1 |
SW1 |
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OFF |
SW2 |
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OFF |
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ON |
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ON |
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3
Quick Installation Guide
5. Pentiumâ II /Celeronä 366 / 66MHz FSB
4 |
3 |
2 |
1 |
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OFF |
4 |
3 |
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2 |
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1 |
OFF |
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SW1 |
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SW2 |
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6. Pentiumâ II /Celeronä 400 / 66MHz FSB |
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4 |
3 |
2 |
1 |
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OFF |
4 |
3 |
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2 |
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1 |
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SW1 |
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OFF |
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SW2 |
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ON |
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7. Pentiumâ II /Celeronä 433 / 66MHz FSB |
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4 |
3 |
2 |
1 |
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OFF |
4 |
3 |
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2 |
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1 |
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SW1 |
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SW2 |
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ON |
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8. Pentiumâ II 350 / 100 MHz FSB |
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4 |
3 |
2 |
1 |
OFF |
4 |
3 |
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2 |
1 |
OFF |
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SW1 |
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SW2 |
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9. Pentiumâ II 400 / 100 MHz FSB |
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4 |
3 |
2 |
1 |
OFF |
4 |
3 |
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2 |
1 |
OFF |
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SW1 |
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SW2 |
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ON |
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10. Pentiumâ III 450 / 100 MHz FSB |
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4 |
3 |
2 |
1 |
OFF |
4 |
3 |
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2 |
1 |
OFF |
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SW1 |
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SW2 |
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4
6BXC
11. Pentiumâ III 500 / 100 MHz FSB
4 |
3 |
2 |
1 |
OFF |
4 |
3 |
2 |
1 |
OFF |
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SW1 |
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SW2 |
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ON |
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ON |
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12. Pentiumâ III 550 / 100 MHz FSB |
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4 |
3 |
2 |
1 |
OFF |
4 |
3 |
2 |
1 |
OFF |
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SW1 |
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SW2 |
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ON |
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ON |
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13. Pentiumâ III 600 / 100 MHz FSB |
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4 |
3 |
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2 |
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1 |
OFF |
4 |
3 |
2 |
1 |
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SW1 |
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SW2 |
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OFF |
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ON |
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14. Pentiumâ III 650 / 100 MHz FSB |
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4 |
3 |
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2 |
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1 |
OFF |
4 |
3 |
2 |
1 |
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SW1 |
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SW2 |
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OFF |
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ON |
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ON |
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5
Quick Installation Guide
II. Jumper setting :
SPK : Speaker Connector
6BXC
1 |
+ CPU |
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Pin |
Function |
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Intel |
VCC |
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1 440BX |
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2 |
NC |
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3 |
NC |
PIIX4 |
4 |
Data |
1 
+
RE : Reset Switch
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CPU |
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Open: |
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6BXC |
Normal operation |
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Intel |
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440BX |
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Short: |
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Reset system |
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PIIX4 |
6
6BXC |
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PW LED : Power LED Connector |
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CPU1 |
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6BXC |
Pin |
Intel |
Function |
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1 |
440BX |
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LED anode(+) |
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2 |
LED cathode(−) |
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3 |
LED cathode(−) |
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PIIX4 |
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1 |
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HD : IDE Hard Disk Active LED
6BXC
1 |
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CPU |
Pin |
Function |
1 |
LEDIntel anode(+) |
2 |
440BX |
LED cathode(−) |
PIIX4
1 |
Pin |
Function |
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1 |
LED anode(+) |
2LED cathode(−)
3LED cathode(−)
4LED anode(+)
7
Quick Installation Guide
IR : Infrared Connector (Optional)
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1 CPU |
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6BXC |
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Pin |
Intel |
Function |
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440BX |
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1 |
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IR Data Output |
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2 |
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GND |
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PIIX4 |
3 |
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IR Data Input |
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4 |
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NC |
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5 |
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POWER (+) |
GN : Green Function Switch
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CPU |
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Open: |
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6BXC |
Normal |
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Inteloperation |
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440BX |
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Short: |
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Entering |
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Green mode |
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PIIX4 |
8
6BXC
GD : Green LED
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CPU |
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6BXC |
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Intel1 |
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Pin |
440BX |
Function |
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1 |
LED anode(+) |
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2 |
LED cathode(−) |
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PIIX4 |
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1 |
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PW: Soft Power Connector
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CPU |
1 |
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6BXC |
Open: Intel |
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440BX |
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Normal Operation |
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Short: |
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PIIX4 |
Power On/Off |
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1 |
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9
Quick Installation Guide
POWER1 : Power Connector
1 |
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11 |
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Pin |
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Function |
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3,5,7,13,6BXC |
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GND |
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15-17 |
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1,2,11 |
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3.3V |
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4,6,19,20 |
PIIX4 |
VCC (+5V) |
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10 |
+12V |
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12 |
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−12V |
18
−5V 
8Power Good
95V SB (Stand by +5V)
14 PS-ON (Soft ON/OFF)
CPU |
Intel |
440BX |
PS/2 Mouse / Keyboard Connector
PS/2 Mouse |
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CPU |
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PS/2 Mouse/Keyboard |
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6BXC |
Pin |
Function |
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1 |
Data Intel |
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440BX |
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2 |
NC |
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3 |
GND |
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PIIX4 |
4 |
VCC (+5V) |
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5 |
Clock |
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6 |
NC |
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PS/2 Keyboard |
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10
6BXC
CPU FAN : CPU Cooling Fan Power Connector
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1 |
Pin |
Function |
CPU |
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1 |
GND |
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6BXC |
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2 |
+12V |
Intel |
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3 |
SENSE |
440BX |
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PIIX4 |
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IDE1: For Primary IDE port
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CPU |
6BXC |
Intel |
440BX |
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PIIX4 |
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1 |
11
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