Lenovo ThinkPad Edge E431 Hardware Maintenance Manual - Page 56
Rear view, Bottom view, Locating FRUs and CRUs, The memory modules
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Rear view 1 2 3 4 3 5 6 1 System status indicator1 2 Combo audio jack 3 USB 3.0 connectors 4 HDMI port 5 VGA connector 6 Security-lock slot 1: For the description of the system status indicator, see Chapter 5 "Status indicators" on page 45. Bottom view 1 2 3 2 6 4 5 1 Small bottom cover1 2 Battery pack latches 3 Battery pack 4 Large bottom cover2 5 Built-in stereo speakers 6 Media card reader slot 1: The wireless LAN card and backup battery are located underneath the small bottom cover. 2: The memory modules, hard disk drive or solid-state drive, and wireless WAN card or M.2 solid-state drive are located underneath the large bottom cover. Locating FRUs and CRUs This topic introduces the following service parts: • "Major FRUs and CRUs" on page 52 • "LCD FRUs and CRUs" on page 54 50 Hardware Maintenance Manual