Dell PowerEdge 4100 Service Manual - Page 21
DC Power Distribution Redundant System
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DC Power Distribution (Redundant System) Figures 1-17 provides information about DC power distribution for the redundant PowerEdge 4100 system. power supply # 1 P1-5 POK PSON# +5 VFP +5 VDC -5 VDC +12 VDC -12 VDC +3.3 VDC P1-5 power supply # 2 PSON# +5 VFP +5 VDC -5 VDC +12 VDC -12 VDC +3.3 VDC PWR1 BATV PWRGOOD PSON# +5 VFP +5 VDC -5 VDC +12 VDC -12 VDC +3.3 VDC PWR2 +12 VDC +5 VDC +3.3 VDC PWR3 +12 VDC +5 VDC +3.3 VDC PWRSCSI (DDBP) +12 VDC +5 VDC PWRFD (FD1-4) +12 VDC +5 VDC system board keyboard controller power management logic BATV PWRGOOD PSON# +5 VFP +5 VDC -5 VDC +12 VDC -12 VDC +3.3 VDC main memory sockets DIMM A through DIMM H +3.3 VDC RTC/ NVRAM battery +3.3 VDC +5 VDC +12 VDC -12 VDC PCI4 through PCI8 +5 VDC -5 VDC +12 VDC -12 VDC battery (+3 VDC) +3.3 VDC +5 VFP PWRGOOD EISA1 through EISA3 REMOTE +5 VFP to SCSI backplane +12 VDC +12 VDC +12 VDC fuse FAN1 FAN2 FAN3 processor core regulator (2) +5 VDC MOUSE +5 VDC KEYBOARD power-supply paralleling board core VCC (+2.1 to +3.5 VDC) PROCESSOR 1 and PROCESSOR 2 +1.5 VDC P6 signal terminators GTL regulator NOTE: A server management cable (16-pin) carries the +5 VFP from the system board to the SCSI backplane. The control panel cable (30-pin) carries the +5 VFP from the backplane to the control panel. SCSI backplane (six drive bays) 654321 CD-ROM FLOPPY control panel +5 VFP from SCSI backplane 3 X 6 LEDs Figure 1-17. Power Distribution (Redundant System) reset on/off power-on LED speaker System Overview 1-19