
E-2
Sun Fire X4500/X4540 Server Service Manual • May 2010
FIGURE E-1
Power-On Sequence
t_RESET_DELAY
t_RESET_DELAY
t_IPM12_DELAY
t_SIL20C2_DELAY
t_NEXT_RAIL
t_VRM_DELAY
t_NEXT_RAIL
t_IPM12_DELAY
t_LTC3025_DELAY
t_DDR_DELAY
t_NEXT_RAIL
t_NEXT_RAIL
t_SIL20C2_DELAY
t_ATH26_DELAY
t_NEXT_RAIL
t_HOTSWAP_GOOD
t_NEXT_RAIL
t_PSON_ON_DELAY
t_NEXT_RAIL
POWER ON CONDITION
0ms
250ms
500ms
750ms
SOUTH_RPWRON
SOUTH_PWRON_L
PS[0,1,2]_ENABLE_L
PS[0,1,2]_POWEROK_L
HS_ENABLE
MAIN_HOTSWAP_GOOD
[3P3V, 5V]_ENABLE
MINUS12V_ENABLE_L
3P3V_POWER_GOOD
5V_POWER_GOOD
[1P8V, 2P5V, DDR]_ENABLE
DDR_[A,B]_POWERGOOD_L
1_8V_POWERGOOD
2_5V_POWERGOOD
PROC[0,1]_CORE_ENABLE
P[0,1]_CORE_POWERGOOD
[1P2V, 1P5V]_ENABLE
1P2V_POWER_GOOD
1_5V_POWERGOOD
ALL_POWERGOOD
Summary of Contents for 4540 - Phaser Copystation
Page 12: ...xii Sun Fire X4500 X4540 Server Service Manual May 2010...
Page 34: ...1 20 Sun Fire X4500 X4540 Server Service Manual May 2010...
Page 196: ...3 76 Sun Fire X4500 X4540 Server Service Manual May 2010...
Page 210: ...B 12 Sun Fire X4500 X4540 Server Service Manual May 2010...
Page 219: ...Appendix C Status Indicator LEDs C 9 FIGURE C 5 Disk Drive and Fan Tray LEDs...
Page 250: ...E 6 Sun Fire X4500 X4540 Server Service Manual May 2010...
Page 256: ...G 4 Sun Fire X4500 X4540 Server Service Manual May 2010...
Page 264: ...Index 4 Sun Fire X4500 X4540 Server Service Manual May 2010...