[2024-feb-29] Sad news: Eric Layton aka Nocturnal Slacker aka vtel57 passed away on Feb 26th, shortly after hospitalization. He was one of our Wiki's most prominent admins. He will be missed.

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howtos:hardware:arm:interfacing_i2c_devices [2023/05/28 14:36 (UTC)] – [Hacking I2C in PC DIMM modules] louigi600howtos:hardware:arm:interfacing_i2c_devices [2023/05/28 14:46 (UTC)] (current) – [Hacking I2C in PC DIMM modules] louigi600
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 Decoding EEPROM: /sys/bus/i2c/drivers/ee1004/0-0050 Decoding EEPROM: /sys/bus/i2c/drivers/ee1004/0-0050
  
-The last part 0-0050 identifies bus 0 address 50.+The last part 0-0050 identifies bus 0 address 50.  
 + 
 +Looking at what devices are present on bus 0 
 + 
 +  # i2cdetect -y 0 
 +       0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f 
 +  00:                         08 -- -- -- -- -- -- --  
 +  10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --  
 +  20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --  
 +  30: 30 -- -- -- -- 35 UU UU -- -- -- -- -- -- -- --  
 +  40: -- -- -- -- 44 -- -- -- -- -- -- -- -- -- -- --  
 +  50: UU -- 52 -- -- -- -- -- -- -- -- -- -- -- -- --  
 +  60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --  
 +  70: -- -- -- -- -- -- -- -- 
 + 
 +So as long as whatever device I hack into this bus does not use address 8,30,35,36,37,44,50 or 52 it should work fine, provided the voltages are compatible.
  
  

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howtos:hardware:arm:interfacing_i2c_devices ()