![](/images/new-backgrounds/1204231/20423121x1.webp)
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 | 13 | ODD1 | ODD Connector |
2 | USB3 | USB port | 14 | WIN1 | Wireless LAN Card Slotr |
3 | USB4 | USB port | 15 | DM1 | DIMM Slot1 |
4 | LAN1 | RJ11+RJ45 (Modem Port+ Ethernet | 16 | DM3 | DIMM Slot2 |
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5 | MDCW | Modem Cable Connector | 17 | U44 | Keyboard Controller (RE144B) |
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6 | CRT1 | External Display Port | 18 | U49 | BIOS ROM |
7 | MDC | Modem Board Connector | 19 | U32 | Audio Codec (Realtek ACL883) |
8 | U41 | CPU Socket | 20 | LIN1 | |
9 | U38 | North Bridge () | 21 | MIC2 | |
10 | FAN1 | System Fan Cable Connector | 22 | LOUT1 | |
11 | BAT1 | Battery Connector | 23 | PC1 | PC Card Slot |
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| South Bridge (ICH7M) | 24 | HDD1 | HDD Connector |
Chapter 1 | 5 |