HP t620 User Manual

Table B-3 Diagnostic Front Panel LEDs and Audible Codes (continued)
Activity Beeps Possible Cause Recommended Action
Red Power LED flashes eight
times, once every second,
followed by a two second
pause. Beeps stop after fifth
iteration but LEDs continue until
problem is solved.
8 Invalid ROM based on
bad checksum.
1. Reflash the system ROM with the latest BIOS
image using the BIOS Recovery procedure.
2. Replace the system board.
System does not power on and
LEDs are not flashing.
None System unable to power
on.
Press and hold the power button for less than 4
seconds. If the hard drive LED turns white, the
power button is working correctly. Try the
following:
1. Remove the power cord from the computer.
2. Open the computer and press the yellow
CMOS button on the system board for 4
seconds (located near the front USB ports).
3. Verify that the AC cord is plugged into the
power supply.
4. Close the unit and reattach the power cord.
5. Try to power on the computer.
6. Replace the unit.
Interpreting POST Diagnostic Front Panel LEDs and Audible Codes
47

HP t620 Specifications

General

L2 cache	1 MB
Processor cores	2
Processor model	GX-217GA
Processor family	AMD G
Motherboard chipset	-
Processor frequency	1.65 GHz
Storage media	SSD
Card reader integrated	No
Total storage capacity	32 GB
Internal memory	4 GB
Memory clock speed	1600 MHz
Internal memory type	DDR3L-SDRAM
On-board graphics card model	AMD Radeon HD 8280E
Ethernet LAN	Yes
Cabling technology	10/100/1000Base-T(X)
USB 2.0 ports quantity	6
Ethernet LAN (RJ-45) ports	1
VGA (D-Sub) ports quantity	0
Operating system installed	Windows Embedded 8 Standard
Operating system architecture	64-bit
Product color	Black
Power supply	65 W
AC input voltage	100-240 V
AC input frequency	50 - 60 Hz
Country of origin	China

Weight and Dimensions

Depth	40 mm
Width	220 mm
Height	240 mm
Weight	1360 g