HP Z420 Workstation system board components
Figure 1-14 System board component locations
Table 1-12 System board component descriptions
| I/O | SATA (SAS optional) |
| Cooling |
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1 | Front 1394a | 14 | AHCI 3Gb/s | 25 | CPU0 fan | 34 | Chassis solenoid lock |
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2 | Front audio | 15 | AHCI 6Gb/s | 26 | Front fan | 35 | Chassis intrusion sensor |
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3 | Front speaker | 16 | HDD LED | 27 | Memory fan |
| Service |
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4 | Front USB 2.0 | 17 | SCU 3Gb/s | 28 | Rear fan | 36 | Clear CMOS button |
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5 | Front USB 3.0 | 18 | SAS (optional) |
| Power | 37 | ME/AMT flash override |
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6 | Internal USB 2.0 |
| PCI/PCIe | 29 | Battery | 38 | Password jumper |
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7 | Keyboard/mouse | 19 | PCIe2 x4 (1) | 30 | Front power button/LED |
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8 | Network | 20 | PCIe3 x16 | 31 | Main power |
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9 | Rear 1394a | 21 | PCIe2 x8 (4) | 32 | CPU/MEM power |
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10 | Rear audio | 22 | PCIe3 x8 | 33 | Rear power button/LED |
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11 | Rear USB 2.0 | 23 | PCIe3 x16 |
| For related expansion card slot information, see Expansion | ||
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| slots on page 84 |
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12 | Rear USB 3.0 | 24 | PCI 32/33 |
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13Serial (optional)
HP Z420 Workstation components | 19 |
