Reverse situation occurs on my HIS 5850 Reference Design, ClockTweak and MSI Afterburner both fail to set the clocks, AMD GPU clock saves the day.
Here are the logs:
===============================================================================
ClockTweak v0.7.4b - bitcoinX.com/clocktweak/
===============================================================================
Set values - starting.
Adapter #3:
setting core speed: 850 [MHz]
ERROR: write_values: core speed 850 could not be set (1): False
D:\****************\ClockTweak>
ClockTweak v0.7.4b - bitcoinX.com/clocktweak/
===============================================================================
Exploring up to 20 adapters:
A.#:0 r:0 ID:-591551232 Name:"ATI Radeon HD 5800 Series" Active:0 GPU:0
A.#:1 r:0 ID:-591551232 Name:"ATI Radeon HD 5800 Series" Active:0 GPU:0
A.#:2 r:0 ID:-591551232 Name:"ATI Radeon HD 5800 Series" Active:0 GPU:0
A.#:3 r:0 ID:-592234880 Name:"ATI Radeon HD 5800 Series" Active:1 GPU:1
A.#:4 r:0 ID:-592234880 Name:"ATI Radeon HD 5800 Series" Active:0 GPU:1
A.#:5 r:0 ID:-592234880 Name:"ATI Radeon HD 5800 Series" Active:0 GPU:1
A.#:6 r:-1 ERROR: explore_adapters: adapter 6 could not be initialized (-1)
A.#:7 r:-1 ERROR: explore_adapters: adapter 7 could not be initialized (-1)
A.#:8 r:-1 ERROR: explore_adapters: adapter 8 could not be initialized (-1)
A.#:9 r:-1 ERROR: explore_adapters: adapter 9 could not be initialized (-1)
A.#:10 r:-1 ERROR: explore_adapters: adapter 10 could not be initialized (-1)
A.#:11 r:-1 ERROR: explore_adapters: adapter 11 could not be initialized (-1)
A.#:12 r:-1 ERROR: explore_adapters: adapter 12 could not be initialized (-1)
A.#:13 r:-1 ERROR: explore_adapters: adapter 13 could not be initialized (-1)
A.#:14 r:-1 ERROR: explore_adapters: adapter 14 could not be initialized (-1)
A.#:15 r:-1 ERROR: explore_adapters: adapter 15 could not be initialized (-1)
A.#:16 r:-1 ERROR: explore_adapters: adapter 16 could not be initialized (-1)
A.#:17 r:-1 ERROR: explore_adapters: adapter 17 could not be initialized (-1)
A.#:18 r:-1 ERROR: explore_adapters: adapter 18 could not be initialized (-1)
A.#:19 r:-1 ERROR: explore_adapters: adapter 19 could not be initialized (-1)
valid adapters: [0, 1, 2, 3, 4, 5]
gpuAdapters: [0, 3]
Compatible GPUs found on these adapters:
Adapter#:0 ID:-591551232 Name:"ATI Radeon HD 5800 Series" Active:0 GPU:0
Adapter#:3 ID:-592234880 Name:"ATI Radeon HD 5800 Series" Active:1 GPU:1
Reading data:
Adapter#:0 Temp:63 Load:91 Fan:58 Level:2
CoreL0:157 CoreL2:900 MemL0:300 MemL2:300 mVoltL0:968 mVoltL2:1118
Adapter#:3 Temp:70 Load:96 Fan:62 Level:2
CoreL0:157 CoreL2:725 MemL0:300 MemL2:1000 mVoltL0:950 mVoltL2:1088