Internal I/O Connectors
1. 1 x 24-pin ATX main power connector
2. 1 x 4-pin ATX 12V power connector
3. 1 x floppy disk drive connector
4. 1 x IDE connector
5. 5 x SATA 3Gb/s connectors
6. 1 x CPU fan header
7. 1 x system fan header
8. 1 x front panel header
9. 1 x front panel audio header
10. 1 x CD In connector
11. 1 x S/PDIF In/Out header
12. 1 x IEEE 1394a header
13. 4 x USB 2.0/1.1 headers
14. 1 x parallel port header
15. 1 x Trusted Platform Module (TPM) header
16. 1 x serial port header
17. 1 x chassis intrusion header
18. 1 x power LED header