Dell PowerEdge 4300 Dell PowerEdge 4300 Systems Service Manual - Page 18

Hard-disk drive carrier in the external drive bay

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A second microprocessor Two or more RAID controller host adapter cards More than 512 MB of memory One or more 1.6-inch hard-disk drives Hard-disk drive carrier in the external drive bay The system power supplies are stacked at the rear of the chassis and can slide in and out of the unit. When fully installed, a power supply automatically mates with a power harness attached to the back plate of the power supply cage. The power harness connects the power supply to the PSPB. The power supplies can operate from an AC power source of 115 VAC at 60 Hz or 230 VAC at 50 Hz. They provide the DC operating voltages and currents listed in Table 1-1. NOTE: The power supplies produce DC voltages only under their loaded condition. Therefore, when you measure these voltages, the DC power connectors must be mated to their PSPB harnesses at the bulkhead, and the harnesses must be connected to their corresponding power input connectors on the PSPB. The PSPB, in turn, must be connected as appropriate to the system board, SCSI backplane board, or external drive bay. . 1 +3.3 VDC +3.23 to +3.45 VDC 18.0 A +5 VDC +4.90 to +5.25 VDC 40.0 A +12 VDC +11.40 to +12.60 VDC 16.0 A -12 VDC -10.80 to -13.20 VDC 0.52 A -5 VDC -4.50 to -5.50 VDC 0.32 A +5 VFP +4.85 to +5.35 VDC 0.4 A 1 Maximum continuous combined load on +5 VDC and +3.3 VDC outputs cannot exceed 240 W. 2 Maximum combined load current on -5 VDC and -12 VDC outputs cannot exceed 0.6 A. The PSPB multiplexes input from the power supplies to supply redundant power to the system board, SCSI backplane, and external drive bays. Through embedded server management (ESM), the PSPB can also be used to perform such tasks as detecting the presence of one to three power supplies; monitoring voltage and current outputs from the power supplies, voltage going to the 1-10 Dell PowerEdge 4300 Systems Service Manual

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Dell PowerEdge 4300 Systems Service Manual
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A second microprocessor
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Two or more RAID controller host adapter cards
¹
More than 512 MB of memory
¹
One or more 1.6-inch hard-disk drives
¹
Hard-disk drive carrier in the external drive bay
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The system power supplies are stacked at the rear of the chassis and can slide
in and out of the unit. When fully installed, a power supply automatically mates
with a power harness attached to the back plate of the power supply cage. The
power harness connects the power supply to the PSPB.
The power supplies can operate from an AC power source of 115 VAC at 60 Hz
or 230 VAC at 50 Hz. They provide the DC operating voltages and currents
listed in Table 1-1.
NOTE: The power supplies produce DC voltages only under their loaded condi-
tion. Therefore, when you measure these voltages, the DC power connectors
must be mated to their PSPB harnesses at the bulkhead, and the harnesses
must be connected to their corresponding power input connectors on the
PSPB. The PSPB, in turn, must be connected as appropriate to the system
board, SCSI backplane board, or external drive bay.
.
363%
The PSPB multiplexes input from the power supplies to supply redundant
power to the system board, SCSI backplane, and external drive bays. Through
embedded server management (ESM), the PSPB can also be used to perform
such tasks as detecting the presence of one to three power supplies; monitor-
ing voltage and current outputs from the power supplies, voltage going to the
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1
+3.3 VDC
+3.23 to +3.45 VDC
18.0 A
+5 VDC
+4.90 to +5.25 VDC
40.0 A
+12 VDC
+11.40 to +12.60 VDC
16.0 A
–12 VDC
–10.80 to –13.20 VDC
0.5
2
A
–5 VDC
–4.50 to –5.50 VDC
0.3
2
A
+5 VFP
+4.85 to +5.35 VDC
0.4 A
1
Maximum continuous combined load on +5 VDC and +3.3 VDC outputs cannot exceed
240 W.
2
Maximum combined load current on –5 VDC and –12 VDC outputs cannot exceed 0.6 A.