HP Z400

Table 5-2 4-DIMM system board components ID (continued)
Item Component Item Component Item Component
10 Password jumper 21 Speaker 32 Serial
11 Chassis intrusion switch 22 Front audio
Figure 5-2 6-DIMM configuration system board components
Table 5-3 6-DIMM system board components ID
Item Component Item Component Item Component
1 CPU fan 12 Clear CMOS button 23 Front audio
2 Rear chassis fan 13 Front power button/LED 24 PCI 32/33
3 CPU power 14 Crisis recovery jumper 25 PCIe2 x16
4 Solenoid hood lock 15 Front chassis fan 26 PCIe x8(4)
5 CPU socket 16 HDD LED 27 PCIe2 x16
6 Memory sockets 17 Internal USB 1/DASH 28 PCIe2 x8(4)
74 Chapter 5 Replacing components ENWW