Acer Aspire M1640 Service Manual page 9

Rear 6 jack follow HD audio definition, example as below
Audio jacks color coding: should meet Microsoft Windows Logo
Program Device Requirements: Audio-0002
1 S/PDIF-out header (1*4)
1 AUX-In header (1*4)
1 front panel audio header (2*5)
Add HD de-pop CKT (the attachment is the reference, please propose
your solution)
S/N ratio: 90 dB at rear output jack
LAN
MAC Controller: NV MCP73PV/S
Intel 82566DC (10M/100M/1000M LAN)
PHY: Realtek 8211BL Gigabit Ethernet Phy.
USB
Controller Type: NV MCP73PV/S
Ports Quantity: 10
4 back panel ports
On-board: 3 2*5 headers
4 ports for front daughter board
4 ports for rear I/O
2 ports for internal card reader.
Connector Pin: standard Intel FPIO pin definition
Data transfer rate support:
USB 2.0/1.1
1394
Controller: VIA VT6308P 1394a controller
Connector Quantity: 2
3