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Friday, February 8, 2019

Engineering Change Notification (ECN)

BIOS update for HT B30

Abnormal failure rate have been discovered at HT B30 systems, the symptom is random freeze, random reboot or random blue screen.
For those customers that may have experienced this issue, the typical failure rate is (MTBF) 100h-1000h for systems equipped with m.2 SSD and >1500h for system equipped with 2.5" SSD.

The root cause is related to the signal quality of SVID signals, affecting the transition of SVID communication for CPU frequency/voltage.

Solution for units in field is BIOS update, which inhibit use of SVID communication.


image
HT B30xx xxC-xxx-xxxxxx


CHANGE(S) APPLIES FOR THE FOLLOWING HATTELAND DISPLAY® PRODUCT(S):
HT B30xx xxC-xxx-xxxxxx
Note: Customized models are ALSO affected by this Engineering Change Notification.


EFFECTIVE FROM:
Units delivered after 4 Feb 2019 updated during production.

CHANGE(S):
- Disable of Turbo mode and SpeedStep.
- Enable TPM 2.0 (not related to the described issue).


ADDITIONAL INFORMATION:

BIOS version for Intel® i5/i7 CPU:
HT B30xJ xxx-xxx-xxxxxx: B191.18A
HT B30xH xxx-xxx-xxxxxx: B191.18A

BIOS version for Intel® Celeron CPU:
HT B30xI xxx-xxx-xxxxxx : B191.18B

Note:
Disabling turbo mode will reduce the peak CPU performance with 15-20%; average CPU performance is not significantly affected, GPU performance is not affected.
After the BIOS update all units will have TPM module enabled.


Hardware solution with TURBO and speed step enabled will be available end Q2-2019, Serial Number higher than 9999.



For further enquiries regarding this Engineering Change Notification, please contact HelpDesk at Hatteland Display.




Implemented by:
____________________________________________________
image
Frode Grindheim
Vice President Product Management
Hatteland Display AS
Read and Understood by:
_______________________________________



(Your name and Company)


Links to relevant file(s):
image car_qar_143175.pdf (83.1kb) CORRECTIVE ACTION REPORT / STATEMENT
image bios_update_instructions.pdf (148.8kb) BIOS update instructions
 

Document Reference ID: 02_2019_ECN

Hatteland Display AS
Eikeskogvegen 52, N-5570 Aksdal, Norway
Tel: (+47) 4814 2200
www.hatteland-display.com