Acer Aspire 1640Z Series Service Manual page 89

23 (CN19) USB Connector
25 (U23) EC PC97551
27 (CN20) DDR SO-DIMM Socket1
29 (CN21) DDR SO-DIMM Socket2
31 (CN22) PCMCIA Connector
33 (CN24) USB Connector
35 (CN25) Microphone Jack
37 (SW2) WLAN Button
39 (LED2) Battery LED
41 (U30) Audio Codec ALC203
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24 (U22) BIOS ROM
26 (BT1) RTC Battery
28 (U25) LAN PHY RTL8201CP
30 (U26) Southbridge 963L
32 (CN23) HDD Connector
34 (CN26) LineOut Jack
36 (CN27) LineIn Jack
38 (SW3) Bluetooth button
40 (LED1) Power LED
42 (CN13) FAN Connector
Chapter 5