25
AIMB-225 User Manual
Chapter 2
C
onnecting
Peripherals
2.7.5
Power LED and keyboard lock connector (JFP3 / PWR_LED &
KEY LOCK)
(JFP3 / PWR_LED & KEY LOCK) is a 5-pin connector for the power on LED and Key
Lock function. Refer to Appendix B for detailed information on the pin assignments.
The Power LED cable should be connected to pin 1-3. The key lock button cable
should be connected to pin 4-5. There are 3 modes for the power supply connection.
The first is “ATX power mode”; the system turns on/off by a momentary power button.
The second is “AT Power Mode”; the system turns on/off via the power supply switch.
The third is another “AT Power Mode” which makes use of the front panel power
switch. The power LED status is indicated in the following table:
2.8
Line Out Connector (AUDIO1)
Table 2.2: ATX pwr supply LED status (No AT power support)
Power mode
LED
(ATX Power Mode)
(On/off by
momentary button)
LED
(AT power Mode)
(On/off by switching
power supply)
LED
(AT power Mode)
(On/off by front
panel switch)
PSON1
(on back plane)
jumper setting
pins 2-3 closed
pins 1-2 closed
Connect pins 1 & 2 to
panel switch via cable
System On
On
On
On
System Suspend
Fast flashes
Fast flashes
Fast flashes
System Off
Slow flashes
Off
Off
Line out
Summary of Contents for AIMB-225
Page 8: ...AIMB 225 User Manual viii...
Page 13: ...Chapter 1 1 General Information...
Page 26: ...AIMB 225 User Manual 14 1 6 AIMB 225 Board Diagram Figure 1 2 AIMB 225 Board Diagram...
Page 30: ...AIMB 225 User Manual 18...
Page 31: ...Chapter 2 2 Connecting Peripherals...
Page 46: ...AIMB 225 User Manual 34...
Page 47: ...Chapter 3 3 BIOS Operation...
Page 64: ...AIMB 225 User Manual 52 3 2 3 3 North Bridge Configuration...
Page 68: ...AIMB 225 User Manual 56...
Page 69: ...Chapter 4 4 Software Introduction Service...
Page 73: ...Chapter 5 5 Chipset Software Installation Utility...
Page 76: ...AIMB 225 User Manual 64...
Page 77: ...Chapter 6 6 Graphics Setup...
Page 79: ...Chapter 7 7 LAN Configuration...
Page 82: ...AIMB 225 User Manual 70...
Page 83: ...Appendix A A Programming the Watchdog Timer...
Page 91: ...Appendix B B I O Pin Assignments...
Page 101: ...89 AIMB 225 User Manual Appendix B I O Pin Assignments...