Dell D29M - Chassis Access: Side Cover and Front Bezel

Back view
1. Line-out re-tasking Line-in audio port
2. HDMI 1.4b port
3. DisplayPort 1.4
4. Serial/PS2 slot
5. Two USB 3.2 Gen 1 Type-A ports
6. Two USB 2.0 ports with Smart Power on
7. Three expansion card slots
NOTE: Supports only Slot 1, Slot 2, Slot 3
8. Power connector port
9. Power supply diagnostic light
10. Knock out slot (optional SMA connector)
11. Kensington security-cable slot
12. RJ-45 port 10/100/1000 Mbps
13. Padlock loop
14. 3rd Video Port (VGA/DP 1.4/HDMI 2.0b) (optional)
Chassis overview
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