Datasheet

Document ID Number: 328209 003EN Intel
®
Xeon Phi™ Coprocessor Datasheet
73
6.6.3.7 OEM Commands
6.6.3.7.1 OEM Set Fan PWM Adder
The Set Fan PWM Adder command allows a PWM percentage to be added to the final
fan cooling algorithm for additional cooling based on chassis requirements.
10x00•Instance
20x??•Action
• If Signal is 1
• 1 - Assert: Start the identify blink code
• 2 - Revert: Return to normal operation
• All other values reserved
[3] 0x00 • Value (optional)
Table 6-13. Set SM Signal Response Format
Byte # Value Description
00x??•Compcode
• 0x00 - Normal
• 0xc7 - Request Length Invalid
• 0xc9 - Parameter Out of Range
• 0xcc - Invalid Field
Table 6-14. OEM Command Details
NetFn Command Name
OEM
(0x3e)
0x00
•OEM Set Fan PWM Adder
OEM
(0x3e)
0x04
•OEM Get POST Register
OEM
(0x3e)
0x05
• OEM Assert Forced Throttle
OEM
(0x3e)
0x06
• OEM Enable External Throttle
OEM
(0x3e)
0x07
• OEM Get Throttle Reason
Table 6-12. Set SM Signal Request Format (Continued)
Byte # Value Description
Table 6-15. Set Fan PWM Adder Command Request Format
Byte # Value Description
Command 0x00 • OEM Set Fan PWM Adder
NetFn 0x3e • NETFN_OEM
0 0x?? • PWM percent to add to standard cooling: 0x00 - 0x64
• All other values are reserved.