Acer 5540 Series Service Manual page 94

Bottom View
NOTE: This is engineering sample. The image above may not be exactly the same as the real main board you
get.
1 USB2 USB port
2 USB3 USB port
3 USB4 USB port
4 LAN1 RJ11+RJ45 (Modem Port+ Ethernet
Port)
5 MDCW Modem Cable Connector
1
6 CRT1 External Display Port
7 MDC Modem Board Connector
8 U41 CPU Socket
9 U38 North Bridge ()
10 FAN1 System Fan Cable Connector
11 BAT1 Battery Connector
12 South Bridge (ICH7M)
88
13 ODD1 ODD Connector
14 WIN1 Wireless LAN Card Slotr
15 DM1 DIMM Slot1
16 DM3 DIMM Slot2
17 U44 Keyboard Controller (RE144B)
18 U49 BIOS ROM
19 U32 Audio Codec (Realtek ACL883)
20 LIN1 Line-in Jack
21 MIC2 Headphones/Speakers/Line-Out Jack
22 LOUT1 Line-in Jack
23 PC1 PC Card Slot
24 HDD1 HDD Connector
Chapter 5