Xerox 4540 Service Manual - Page 252

IO Expander for Fan, Proc card ID PROM

Page 252 highlights

TABLE F-1 I2E Bus Addresses (Continued) Description Part # IO controller ID PROM AT24C64B Power supply 0 ID PROM AT24C02A Power supply 1 ID PROM AT24C02A Power supply 2 ID PROM AT24C02A Backplane LM75 temperature sensor Backplane ID PROM AT24C64B Proc card ID PROM AT24C64B Service processor ID AT24C64B PROM IO expander (for Front LEDs) PCA9556 IO Expander (for Fan PCA9556 Enables) IO expander (for DIMM LEDs) PCA9556 IO expander (for PROC LEDs) PCA9556 Proc card system monitor ADM1026 Clock generator CDC960 8-port switch (for DIMMS and PCI slots) PCA9548 DIMM0 serial presence detect EEPROM DIMM1 Serial Presence Detect EEPROM DIMM2 serial presence detect EEPROM DIMM3serial presence detect EEPROM Location I/O controller Power Supply Power Supply Power Supply Front of Disk backplane Disk backplane CPU board GRASP Disk backplane I/O controller CPU board CPU board Front of CPU board I/O controller I/O controller DIMM DIMM DIMM DIMM Address (Hex) 0x1010010 (52/A4) 0x1010100 (54/A8) 0x1010101 (55/AA) 0x1010110 (56/AC) 0x1001000 (48/90) 0x1010000 (50/A0) 0x1010001 (51/A2) 0x1010011 (53/A6) 0x0011000 (18/30) 0x0011001 (19/32) 0x0011100 (1C/38) 0x0011101 (1D/3A) 0x0101101 (2D/5A) 0x1101001 (69/D2) 0x1110000 (70/E0) 0x1010000 (50/A0) 0x1010001 (51/A2) 0x1010010 (52/A4) 0x1010011 (53/A6) F-2 Sun Fire X4500/X4540 Server Service Manual • May 2010

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F-2
Sun Fire X4500/X4540 Server Service Manual
May 2010
IO controller ID
PROM
AT24C64B
I/O controller
0x1010010 (52/A4)
Power supply 0 ID
PROM
AT24C02A
Power Supply
0x1010100 (54/A8)
Power supply 1 ID
PROM
AT24C02A
Power Supply
0x1010101 (55/AA)
Power supply 2 ID
PROM
AT24C02A
Power Supply
0x1010110 (56/AC)
Backplane
temperature sensor
LM75
Front of Disk backplane
0x1001000 (48/90)
Backplane ID PROM
AT24C64B
Disk backplane
0x1010000 (50/A0)
Proc card ID PROM
AT24C64B
CPU board
0x1010001 (51/A2)
Service processor ID
PROM
AT24C64B
GRASP
0x1010011 (53/A6)
IO expander (for
Front LEDs)
PCA9556
Disk backplane
0x0011000 (18/30)
IO Expander (for Fan
Enables)
PCA9556
I/O controller
0x0011001 (19/32)
IO expander (for
DIMM LEDs)
PCA9556
CPU board
0x0011100 (1C/38)
IO expander (for
PROC LEDs)
PCA9556
CPU board
0x0011101 (1D/3A)
Proc card system
monitor
ADM1026
Front of CPU board
0x0101101 (2D/5A)
Clock generator
CDC960
I/O controller
0x1101001 (69/D2)
8-port switch (for
DIMMS and PCI
slots)
PCA9548
I/O controller
0x1110000 (70/E0)
DIMM0 serial
presence detect
EEPROM
DIMM
0x1010000 (50/A0)
DIMM1 Serial
Presence Detect
EEPROM
DIMM
0x1010001 (51/A2)
DIMM2 serial
presence detect
EEPROM
DIMM
0x1010010 (52/A4)
DIMM3serial
presence detect
EEPROM
DIMM
0x1010011 (53/A6)
TABLE F-1
I
2
E Bus Addresses
(Continued)
Description
Part #
Location
Address (Hex)