Mailinglist Archive: radeonhd (365 mails)

[Trenzor Trenzor <trenzorent@xxxxxxxxxxxx>]

Hello, I've an ASUS EAH4670 (Radeon HD4670), sadly this card doesn't seem to 
regulate the fan speed. I disassambled it's BIOS using AtomDis, and I found 
that the command table for SpeedFanControl is empty:

command_table  00000000  #39  (SpeedFanControl):

  Attributes:  Work space size        03 longs
               Parameter space size   00 longs
               Table update indicator 0

However, in another 4670 card from other manufacturer, the command table is not 
empty (and, of course, the fan control works):

command_table  0000dc5e  #39  (SpeedFanControl):

  Size         005f
  Format Rev.  01
  Param Rev.   00
  Content Rev. 02
  Attributes:  Work space size        00 longs
               Parameter space size   00 longs
               Table update indicator 0

  0006: 370000            SET_ATI_PORT  0000  (INDIRECT_IO_MM)
  0009: 0105db012f870000  MOVE   reg[01db]  [XXXX]  <-  0000872f
  0011: 0105dc01872b1e12  MOVE   reg[01dc]  [XXXX]  <-  121e2b87
  0019: 0105dd01051abf50  MOVE   reg[01dd]  [XXXX]  <-  50bf1a05
  0021: 0105e20102800000  MOVE   reg[01e2]  [XXXX]  <-  00008002
  0029: 66ff              SET_DATA_BLOCK  ff
  002b: 2d0d424e00        ADD    WS_DATAPTR [..XX]  <-  004e
  0030: 0104de010000      MOVE   reg[01de]  [XXXX]  <-  data[0000] [XXXX]
  0036: 0104df010400      MOVE   reg[01df]  [XXXX]  <-  data[0004] [XXXX]
  003c: 0104e0010800      MOVE   reg[01e0]  [XXXX]  <-  data[0008] [XXXX]
  0042: 0104e1010c00      MOVE   reg[01e1]  [XXXX]  <-  data[000c] [XXXX]
  0048: 5b                EOT
  0049: 7a                <!doc> DS
  004a: 1300010800        SHIFT_LEFT  reg[0801]  [XXXX]  by  00
  004f: 373c41            SET_ATI_PORT  413c
  0052: 464b50            JUMP_Above  504b
  0055: 55334d            CLEAR  param[4d]  [.X..]
  0058: 555c64            CLEAR  param[64]  [XX..]
  005b: 6b7387ff          XOR    PLL[0087]  [..X.]  <-  fb[ff]     [.X..]


I was wondering if it's possible to somehow 'inject' something in the 
corresopnding command table to test if the fan control works. 

Thank you very much!


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