HP EliteDesk 800 G3 TWR User Manual

System board
1. Prepare the computer for disassembly (Preparation for disassembly on page 19).
2. Remove the access panel (Access panel on page 20).
3. When replacing the system board, make sure the following components are removed from the defective
system board and installed on the replacement system board:
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Memory modules (Memory on page 25)
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Expansion cards (Expansion cards on page 30)
●
Solid-state drive (Removing and installing an M.2 SSD storage card on page 52)
●
WLAN module (WLAN module on page 54)
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Heat sink (Fan sink on page 57).
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Processor (Processor on page 59)
4. Disconnect all cables connected to the system board, noting their location for reinstallation.
5. Remove the eight Torx T15 screws that secure the system board to the chassis.
6. Lift the board up and out of the computer.
When reinstalling the system board, rst insert the I/O panel back into the slots in the rear of the chassis, and
then align the board with the chassis screw holes.
NOTE: When replacing the system board, you must change the chassis serial number in the BIOS.
72 Chapter 4 Removal and replacement procedures – Microtower (MT) chassis

HP EliteDesk 800 G3 TWR Specifications

General

Form Factor	Tower
Processor Options	Intel Pentium, Intel Celeron
Memory	Up to 64 GB DDR4-2400 SDRAM
Storage Options	2.5" HDD/SSD, M.2 SSD
Graphics	Intel HD Graphics 630
Operating System	Windows 10 Pro
Audio	Realtek HD ALC221-VB Audio
Expansion Slots	1 PCIe x16
Ports (Front)	2 x USB 3.1 Gen 1, 2 x USB 2.0, 1 x headphone/microphone combo
Ports (Rear)	4 x USB 3.1 Gen 1, 4 x USB 2.0, 1 x VGA, 1 x DisplayPort, 1 x RJ-45, 1 x audio line-out, 1 x audio line-in
Power Supply	250W, up to 92% efficient PSU
Optical Drive	Optional DVD-Writer
Chipset	Intel® Q270