Acer Aspire 1640 Service Manual page 12

21 CN20 USB Connector
23 U19 BIOS ROM
25 CN22 RTC Battery
27 U1 LAN Chipset RTL8100CL
29 U18 South Bridge
31 CN25 HDD Connector
33 CN28 Line-out/SPEDIF Jack
35 CN30 Line-in Jack
37 SW2 Bluetooth Button
39 LED1 Power LED
41 U10 Fan Connector
6
22 CN21 USB Connector
24 U4 EC PC97551 (Power and I/O
Connector)
26 CN18 Memory Socket 1
28 CN19 Memory Socket 2
30 CN24 PCMCIA Connector
32 CN27 USB Connector
34 CN29 Microphone Jack
36 SW3 WLAN Button
38 LED2 Charger LED
40 U22 Audio Codec
Aspire 1640