and later [Release: N/A and later ]
Sun Fire 15K Server - Version: Not Applicable and later [Release: N/A and later]
Sun Fire E20K Server - Version: Not Applicable and later [Release: N/A and later]
Sun Fire E25K Server - Version: Not Applicable and later [Release: N/A and later]
All Platforms
Goal
Various messages and/or dump output may refer to I2C buses and/or addresses.
The following static tables show which physical component within the
12K/15K/E20K/E25K these buses / addresses refer to.
Solution
Static tables for bus and/or address translation:
Global Buses
============
I2C I2C I2C
Bus Target Bus Target Bus Target
--- --------------- --- --------------- --- ---------------
0 Expander 0 26 Slot 2.0 50 Slot 2.1
1 Expander 1 27 Slot 3.0 51 Slot 3.1
2 Expander 2 28 Slot 4.0 52 Slot 4.1
3 Expander 3 29 Slot 5.0 53 Slot 5.1
4 Expander 4 30 Slot 6.0 54 Slot 6.1
5 Expander 5 31 Slot 7.0 55 Slot 7.1
6 Expander 6 32 Slot 8.0 56 Slot 8.1
7 Expander 7 33 Slot 9.0 57 Slot 9.1
8 Expander 8 34 Slot 10.0 58 Slot 10.1
9 Expander 9 35 Slot 11.0 59 Slot 11.1
10 Expander 10 36 Slot 12.0 60 Slot 12.1
11 Expander 11 37 Slot 13.0 61 Slot 13.1
12 Expander 12 38 Slot 14.0 62 Slot 14.1
13 Expander 13 39 Slot 15.0 63 Slot 15.1
14 Expander 14 40 Slot 16.0 64 Slot 16.1
15 Expander 15 41 Slot 17.0 65 Slot 17.1
16 Expander 16 42 Bulk Power 68 Fan Tray 0
17 Expander 17 Supply 0 69 Fan Tray 1
20 Centerplane 43 Bulk Power 70 Fan Tray 2
Support Board Supply 1 71 Fan Tray 3
0 44 Bulk Power 72 Fan Tray 4
21 Centerplane Supply 2 73 Fan Tray 5
Support Board 45 Bulk Power 74 Fan Tray 6
1 Supply 3 75 Fan Tray 7
22 System 46 Bulk Power
Controller 0 Supply 4
23 System 47 Bulk Power
Controller 1 Supply 5
24 Slot 0.0 48 Slot 0.1
25 Slot 1.0 49 Slot 1.1
CPU Board
=========
Address Description
------- --------------------------------------------------------
21 System Clock Control/Status Register (Philips PCF8574)
22 Board Power Control/Status Register #1 (Philips PCF8574)
24 E-cache Status (Philips PCF8574)
26 Board Power Control/Status Register #2 (Philips PCF8574)
27 Master I2C Bus Select (Philips PCF8574)
4b 1.5v, 3.3v A/D Converter (Philips PCF8591)
50 Board ID (Atmel AT24C64)
Centerplane Support Board
=========================
Address Description
------- --------------------------------------------------------
20 Power Control/Status Register (Philips PCF8574)
21 System Clock Control/Status Register (Philips PCF8574)
22 Board Power Control/Status Register (Philips PCF8574)
23 Power Control/Status Register (Philips PCF8574)
24 Board Power Margin Control Register (Philips PCF8574)
25 ASIC Temperature Measurement Controls for ADC
(Philips PCF8574)
26 ASIC Temperature Measurement Data Bus Register
(Philips PCF8574)
27 Master I2C Bus Select (Philips PCF8574)
4b 1.5v, 2.5v, 3.3v, 3.3v house-keeping (Philips PCF8591)
4c Top Board Temperature Sensor (Maxim MAX1617)
4d Spare Temp Sensor (Maxim MAX1617)
50 Board ID (Atmel AT24C64)
Expander
========
Address Description
------- --------------------------------------------------------
20 Power Control/Status Register
21 System Clock Control/Status Register (Philips PCF8574)
22 Board Power Control/Status Register (Philips PCF8574)
23 Power Control/Status Register
24 Board Power Margin Control Register (Philips PCF8574)
25 ASIC Temperature Monitor Controls (Philips PCF8574)
26 ASIC Temperature Monitor Data Bus (Philips PCF8574)
27 Master I2C Bus Select (Philips PCF8574)
4b 1.5v, 2.5v, 3.3v, 3.3v house-keeping (Philips PCF8591)
4d Temperature At Bottom Of Board (Maxim MAX1617)
4e Temperature At Top Of Board (Maxim MAX1617)
50 Board ID (Atmel AT24C64)
57 CDC SRAM DIMM Board ID (Atmel AT24C64)
Fan Tray
========
Address Description
------- --------------------------------------------------------
22 Fan/LED Control Register (Philips PCF8574)
24 Fan Failure Status Register (Philips PCF8574)
27 Master I2C Bus Select (Philips PCF8574)
50 Board ID (Atmel AT24C64)
hPCI Board
==========
Address Description
------- --------------------------------------------------------
21 System Clock Control/Status Register (Philips PCF8574)
22 Board LED Control/Reset Register (Philips PCF8574)
24 Power Supply Enabled Register (Philips PCF8574)
27 Master I2C Bus Select (Philips PCF8574)
48 1.5v Monitor and Control (Philips PCF8591)
49 5.0v VCC Monitor and Control (Philips PCF8591)
4a 3.0v Monitor and Control (Philips PCF8591)
4b 3.3v Housekeeping, 12v Monitor (Philips PCF8591)
4c Temperature Sensor for Schizo 0 (Maxim MAX1617)
50 Board ID (Atmel AT24C64)
51 Board ID (Atmel AT24C64)
52 3.3V Cassette 0 Board ID (Atmel AT24C64)
53 3.3V Cassette 1 Board ID (Atmel AT24C64)
54 5.0V Cassette 0 Board ID (Atmel AT24C64)
55 5.0V Cassette 1 Board ID (Atmel AT24C64)
MaxCPU Board
============
Address Description
------- --------------------------------------------------------
21 System Clock Control/Status Register (Philips PCF8574)
22 Board Power Control/Status Register #1 (Philips PCF8574)
24 E-cache Status (Philips PCF8574)
25 3.3v Control/Status Register (Philips PCF8574)
26 1.5v Control/Status Register (Philips PCF8574)
27 Master I2C Bus Select (Philips PCF8574)
4a 1.5v A/D Converter (Philips PCF8591)
4b 3.3v A/D Converter (Philips PCF8591)
50 Board ID (Atmel AT24C64)
Power Supply
============
Address Description
------- --------------------------------------------------------
21 Breaker Control and AC Status Register (Philips PCF8574)
22 Power Supply Control/Status Register (Philips PCF8574)
27 Master I2C Bus Select (Philips PCF8574)
4b A/D Converter (Philips PCF8591)
50 Board ID (Atmel AT24C64)
System Controller
=================
Address Description
------- --------------------------------------------------------
18 SCPER Ambient Temp Sensor (Maxim MAX1617)
19 SCPER Ambient Temp Sensor (Maxim MAX1617)
1a SCPER Ambient Temp Sensor (Maxim MAX1617)
21 SCPER LED and Power Control (Philips PCF8574)
22 SCPER LED/Serial Port Control (Philips PCF8574)
25 cPCI Option Slot and SC CPU Board LED Control
Register (Philips PCF8574)
27 Master I2C Bus Select (Philips PCF8574)
4a SC 1.5v, 3.3v, 3.3v Housekeeping and 5.0v Power
Monitor (Philips PCF8591)
4b SCPER Power Monitor (Philips PCF8591)
4c SC 12v Power Monitor (Philips PCF8591)
50 SC Board IDPROM (Atmel AT24C64)
51 SCPER Board IDPROM (Atmel AT24C64)
wPCI Board
==========
Address Description
------- --------------------------------------------------------
21 System Clock Control/Status Register (Philips PCF8574)
22 Board LED Control/Reset Register (Philips PCF8574)
25 WCI Temperature Control Register (Philips PCF8574)
26 WCI Temperature Data Register (Philips PCF8574)
27 Master I2C Bus Select (Philips PCF8574)
38 Power Control Register (Philips PCF8574)
39 Power Control Register (Philips PCF8574)
3a Power Control Register (Philips PCF8574)
3b Power Control Register (Philips PCF8574)
3c Power Control Register (Philips PCF8574)
3d Power Control Register (Philips PCF8574)
48 1.5v Monitor and Control (Philips PCF8591)
49 5.0v VCC Monitor and Control (Philips PCF8591)
4a 3.0v Monitor and Control (Philips PCF8591)
4b 3.3v Housekeeping, 12v Monitor (Philips PCF8591)
50 Board ID (Atmel AT24C64)
52 3.3V Cassette Board ID (Atmel AT24C64)
54 5.0V Cassette Board ID (Atmel AT24C64)
Internal Comments
An interactive tool to translate an I2C bus/address to a device can be found here.
Previously Published As 50408
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