90
Chapter 5
Internal header pin definition
Header Name
Function
Definition
1. I/O connector
CPU FAN HEADER
1: GND
2: +12V
3: CPUFAN_TACH
4: CPUFAN_PWM
5: NC
FRONT PANEL HEADER
1: HD_LED#
2:
3: GND 4: GND
5: GND
6: PWRBTN#
7: SYS_RESET#
8: GND
9: NC
10: KEY
11: +5VSB
12: FP_ACTP
13: NC
14: LAN_ACT#
FRONT USB HEADER
1: +SBV1213
2: +SBV1213
3: LP12-
4: LP13-
5: LP12+
6: LP13+
7: GND
8: GND
9: KEY
10: NC
SYS FAN HEADER
1: SFAN1_TACH
2: SFAN1_PWR_3P
3: GND
4: NC
Summary of Contents for Aspire M3985
Page 1: ...Acer Aspire M3985 Service Guide PRINTED IN TAIWAN ...
Page 13: ...Chapter 1 5 Block Diagram ...
Page 46: ...38 Chapter 3 4 Pull the Pull the optical drive out of the chassis ...
Page 50: ...42 Chapter 3 7 Lift the power supply module out of the chassis ...
Page 53: ...Chapter 3 45 3 Lift the board from the chassis 4 Punching in IO Shield then you can remove it ...
Page 69: ...Chapter 3 61 Reinstalling the I O Shielding 1 Install I O shielding into chassis ...
Page 77: ...Chapter 3 69 3 Close the PCI Latch fix the three screws ...
Page 80: ...72 Chapter 3 3 Connect the cooler cable to the main board connector ...
Page 83: ...Chapter 3 75 Reinstalling the Side Panel 1 Install the side Panel then fix two screws ...
Page 91: ...83 Chapter 4 b Select Proceed with flash update and Press Enter ...
