HP 280 G1 User Manual

System board
Description
System board for use in models without Windows 8.1
System board for use in models with Windows 8.1 Standard
System board for use in models with Windows 8.1 Professional
System board for use in NetClone models
1. Prepare the computer for disassembly (Preparation for disassembly on page 21).
2. Remove the access panel (
Access panel on page 22).
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:
●
Memory modules (Memory on page 25)
●
Expansion cards (
Expansion cards on page 27)
●
Heat sink (
Heat sink on page 39).
●
Processor (
Processor on page 40)
4. Disconnect all cables connected to the system board, noting their location for reinstallation.
5. Remove the six Torx screws that secure the system board to the chassis.
6. Slide the system board toward the front of the computer to disengage the I/O panel, and then lift the
system board out of the computer.
When reinstalling the system board, first 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.
System board 49

HP 280 G1 Specifications

General

Tcase	72 °C
Bus type	DMI
Stepping	C0
FSB Parity	No
Processor cache	3 MB
Processor cores	2
Processor model	G3250
System bus rate	5 GT/s
Processor family	Intel Pentium G
Processor series	Intel Pentium G3000 series for Desktop
Processor socket	LGA 1150 (Socket H3)
Processor codename	Haswell
Number of QPI links	0
Processor frequency	3.2 GHz
Processor cache type	Smart Cache
Processor lithography	22 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	3.0
Processor operating modes	64-bit
ECC supported by processor	Yes
PCI Express configurations	1x16, 2x8, 1x8+2x4
Thermal Design Power (TDP)	53 W
Number of processors installed	1
Maximum number of PCI Express lanes	16
Memory types supported by processor	DDR3-SDRAM
Memory clock speeds supported by processor	1333 MHz
Memory bandwidth supported by processor (max)	21.3 GB/s
Maximum internal memory supported by processor	32 GB
Operating system installed	Windows 7 Professional
Chassis type	Micro Tower
Product color	Black
Country of origin	China
Memory slots	2x DIMM
Internal memory	4 GB
Memory channels	Dual-channel
Memory clock speed	1600 MHz
Maximum internal memory	16 GB
Memory layout (slots x size)	1 x 4 GB
HDD speed	7200 RPM
HDD interface	SATA
Storage media	HDD
Optical drive type	DVD Super Multi
Card reader integrated	-
Total storage capacity	500 GB
Product type	PC
Motherboard chipset	Intel® H81
Discrete graphics card model	Not available
On-board graphics card model	Intel® HD Graphics
Maximum on-board graphics card memory	1.7 GB
On-board graphics card base frequency	350 MHz
On-board graphics card DirectX version	11.1
On-board graphics card dynamic frequency (max)	1100 MHz
Number of displays supported (on-board graphics)	3
Power supply	180 W
Ethernet LAN data rates	10, 1000, 100 Mbit/s
USB 2.0 ports quantity	6
Scalability	1S
Processor code	SR1K7
Processor ARK ID	83538
Processor package size	37.5 x 37.5 mm
Supported instruction sets	SSE4.1, SSE4.2
Thermal solution specification	PCG 2013C
Intel Secure Key Technology version	1.00
Intel Stable Image Platform Program (SIPP) version	0.00

Weight and Dimensions

Depth	355 mm
Width	165 mm
Height	358.8 mm
Weight	7050 g