On Tue, 5 Feb 2013, Jean Delvare wrote:
Do you have any reason to believe that there is an SMBus-based hardware
monitoring chip on this system?
No I haven't. In fact I would be surprised if there was one (given how
Apple stripped the device), but I wanted to make sure that we're using all
the capabilities of the system (and I wasn't sure if anyone went through
the trouble already for this device).
Since the device has no power button and little ACPI functionality, it
would have been helpful to measure temperature and voltage so we could
determine whether changes to xbmc or the kernel improve the situation or
makes it worse.
From the other i2c devices, the only one that returns any info is:
root ~ # ./i2cdetect -l
i2c-0 smbus SMBus I801 adapter at efa0 SMBus adapter
i2c-1 i2c Afatech AF9015 reference design I2C adapter
i2c-2 i2c NVIDIA i2c adapter 1 at 1:00.0 I2C adapter
i2c-3 i2c NVIDIA i2c adapter 2 at 1:00.0 I2C adapter
Not sure what this output provides us with:
root ~ # ./i2cdetect 2
WARNING! This program can confuse your I2C bus, cause data loss and worse!
I will probe file /dev/i2c-2.
I will probe address range 0x03-0x77.
Continue? [Y/n]
0 1 2 3 4 5 6 7 8 9 a b c d e f
00: -- -- -- -- -- -- -- -- -- -- -- -- --
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
30: -- -- -- -- -- -- -- 37 -- -- 3a -- -- -- -- --
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
50: 50 -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
70: -- -- -- -- -- -- -- --
Thanks for your insights,
--
-- dag wieers, dag@xxxxxxxxxx, http://dag.wieers.com/
-- dagit linux solutions, info@xxxxxxxxx, http://dagit.net/
[Any errors in spelling, tact or fact are transmission errors]
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