Acer Aspire X1400 and X1420 Desktop Series Service Guide
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... Name 1 PORT 1L 3 PORT 1R 5 PORT 2R 7 SENSE_SEND 9 PORT 2L Pin Signal Name 2 AUD_GND 4 PRESENCE# 6 SENSE1_RETURN 8 KEY 10 SENSE2_RETURN USBF1~3: Front Panel USB headers The motherboard has two USB ports installed on the rear edge I/O port array.Additionally, some computer cases have USB ports at the front of case, use auxiliary... Panel USB Power USB Port 0 Negative Signal USB Port 1 Negative Signal USB Port 0 Positive Signal USB Port 1 Positive Signal Ground Ground No pin Overcurrent signal Aspire AX1400 Service Guide 73
... Name 1 PORT 1L 3 PORT 1R 5 PORT 2R 7 SENSE_SEND 9 PORT 2L Pin Signal Name 2 AUD_GND 4 PRESENCE# 6 SENSE1_RETURN 8 KEY 10 SENSE2_RETURN USBF1~3: Front Panel USB headers The motherboard has two USB ports installed on the rear edge I/O port array.Additionally, some computer cases have USB ports at the front of case, use auxiliary... Panel USB Power USB Port 0 Negative Signal USB Port 1 Negative Signal USB Port 0 Positive Signal USB Port 1 Positive Signal Ground Ground No pin Overcurrent signal Aspire AX1400 Service Guide 73
Acer Aspire X1400 and X1420 Desktop Series Service Guide
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Connect the auxiliary case power supply connector to CPUFAN1. 2. CPUFAN1: CPU Cooling Fan Power Connector Pin Signal Name 1 GND 2 +12V 3 Sense 4 PWM Function System ground Power +12V Sensor PWM 74 Aspire AX1400 Service Guide Connect the CPU cooling fan cable to PWR1. Connect the case switches and indicator LEDs to PWR2. 3. Connect the standard power supply connector to the LEDH1. 4. Connecting Case Components After you have installed the motherboard into a case, you can begin connecting themotherboard components. Refer to the following: 1.
Connect the auxiliary case power supply connector to CPUFAN1. 2. CPUFAN1: CPU Cooling Fan Power Connector Pin Signal Name 1 GND 2 +12V 3 Sense 4 PWM Function System ground Power +12V Sensor PWM 74 Aspire AX1400 Service Guide Connect the CPU cooling fan cable to PWR1. Connect the case switches and indicator LEDs to PWR2. 3. Connect the standard power supply connector to the LEDH1. 4. Connecting Case Components After you have installed the motherboard into a case, you can begin connecting themotherboard components. Refer to the following: 1.