HP Pro Tower 290 G9 PCI Desktop PC Maintenance and Service Guide - Page 9

Rear panel components, To identify the rear panel components, use these illustrations and tables.

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Table 1-1 Identifying the front panel components Front panel components 1 Slim optical drive (select products only) 4 2 Power button 5 3 Audio-out (headphone)/Audio-in (microphone) 6 combo jack USB SuperSpeed 5 Gbps ports (4) NOTE: Use a standard USB Type-A charging cable or cable adapter (purchased separately) when charging a small external device such as a smartphone. USB SuperSpeed 10 Gbps ports (2) NOTE: Use a standard USB Type-A charging cable or cable adapter (purchased separately) when charging a small external device such as a smartphone. SD card reader (select products only) NOTE: The combo jack supports headphones, line output devices, microphones, line input devices, CTIA-style headsets, or OMTPstyle headsets. NOTE: The light on the power button is normally white when the power is on. If the light blinks red, the computer displays a diagnostic code to indicate a problem. See Interpreting POST diagnostic front panel lights and audible codes on page 85 to interpret the code. Rear panel components To identify the rear panel components, use these illustrations and tables. 2 Chapter 1 Computer features

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Table 1-1
Identifying the front panel components
Front panel components
1
Slim optical drive (select products only)
4
USB SuperSpeed 5 Gbps ports (4)
NOTE:
Use a standard USB Type-A charging
cable or cable adapter (purchased separately)
when charging a small external device such as a
smartphone.
2
Power button
5
USB SuperSpeed 10 Gbps ports (2)
NOTE:
Use a standard USB Type-A charging
cable or cable adapter (purchased separately)
when charging a small external device such as a
smartphone.
3
Audio-out (headphone)/Audio-in (microphone)
combo jack
6
SD card reader (select products only)
NOTE:
The combo jack supports headphones, line output devices, microphones, line input devices, CTIA-style headsets, or OMTP-
style headsets.
NOTE:
The light on the power button is normally white when the power is on. If the light blinks red, the computer displays a
diagnostic code to indicate a problem. See
Interpreting POST diagnostic front panel lights and audible codes
on page
85
to interpret
the code.
Rear panel components
To identify the rear panel components, use these illustrations and tables.
2
Chapter 1
Computer features