System-board components
1. Ring Ambient Power Button connector
2. FAN_SYS3 connector
3. Wireless-card slot (M.2 WLAN)
4. FAN_SYS2 connector
5. SATA 6 Gbps drive connector (SATA0)
6. SATA 6 Gbps drive connector (SATA1)
7. SATA 6 Gbps drive connector (SATA2)
8. Power-supply connector (ATX1_2)
9. Coin-cell battery
10. PCI-Express x4 slot (SLOT4)
11. PCI-Express x16 mechanical/x16 electrical slot PCIe Gen4
(SLOT2)
12. Solid-state drive slot (M.2 PCIe SSD.0)
13. PCI-Express x4 slot (SLOT1)
14. Rear-chassis fan connector (FAN_SYS1)
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