HP Z820 Workstation system board components
Figure 1-24 System board component locations
Table 1-20 System board component descriptions
I/O PCI/PCIe Power
1 Front 1394a 16 PCIe3 x8 (4) — CPU0 31 Battery
2 Front audio 17 PCIe3 x16 — CPU0 32 CPU0 power
3 Front USB 2.0 18 PCIe3 x16 (8) — CPU1 33 CPU1 power
4 Front USB 3.0 19 PCIe3 x16 — CPU1 34 Front power button /LED/
speaker
5 Internal USB 2.0 20 PCIe2 x8 (4) — CPU0 35 Main power
6 Keyboard/mouse 21 PCIe3 x16 — CPU0 36 Memory power
7 Rear audio 22 PCI 32/33 — CPU0 37 Rear power button /LED
8 Rear USB 2.0/Network Cooling Service
9 Rear USB 3.0/1394a 23 Auxiliary fan 1 (front) 38 Clear CMOS button
10 Serial 24 Auxiliary fan 2 (rear) 39 Crisis recovery jumper
SAS/SATA 25 CPU/memory fans 40 ME/AMT Flash override
11 AHCI 6Gb/s 26 Front fan 1 (top) 41 Password jumper
12 Hard disk drive LED 27 Front fan 2 (bottom)
NOTE: For related expansion card
slot information, see
Expansion slots
on page 84.
13 SAS/SATA 6Gb/s 28 Liquid cooling 0 power
14 SAS (optional) 29 Liquid cooling 1 power
15 SCU 3Gb/s 30 Rear chassis fans
HP Z820 Workstation components
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