Intel
®
Server Chassis P4304XXMFEN2/P4304XXMUXX Product Family System Integration and Service Guide
158
LED 3 LED 2 LED 1 LED 0
Description
Checkpoint
Upper Nibble
(MSB)
4h 2h
(LSB)
Lower Nibble
(MSB)
4h 2h
(LSB)
01h
First POST code after CPU reset
02h
Microcode load begin
03h
CRAM initialization begin
04h
EI Cache When Disabled
05h
SEC Core at Power on Begin
06h
Early CPU Initialization during Sec Phase
UPI RC (Fully leverage without platform change)
A1h
Collect Info such as SBSP, Boot Mode, Reset Type Etc.
A3h
Set Up Minimum Path Between SBSP & Other Sockets
A7h
Topology Discovery and Route Calculation
A8h
Program Final Route
A9h
Program Final IO SAD Setting
AAh
Protocol Layer and Other Uncore Settings
ABh
Transition Links to Full Speed Operation
Ach
PHY Layer Setting
ADh
Link Layer Settings