Dell OptiPlex GX1 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC S - Page 36

NOTE: The power supply produces DC voltages only under its loaded condi

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The hard-disk drive bracket is located beneath the externally accessible drive bays at the front of the computer. The hard-disk drive bracket can contain either one or two 1-inch-high EIDE or SCSI hard-disk drives, or one 1-inch-high EIDE or SCSI hard-disk drive and one 1.6-inch-high EIDE or SCSI hard-disk drive. One 1-inch-high EIDE hard-disk drive can be mounted to the top of the expansion-card cage. The low-profile computers have a 145-W system power supply, the midsize computers have a 200-W system power supply, and the mini tower computers have a 230-W power supply. All system power supplies can operate from an AC power source of 115 VAC at 50 to 60 Hz or 230 VAC at 50 to 60 Hz. The system power supply provides the DC operating voltages and currents listed in Table 1-4. NOTE: The power supply produces DC voltages only under its loaded condition. Therefore, when you measure these voltages, the DC power input connectors must be connected to their corresponding power input connectors on the system board or drives. +3.3 VDC +3.15 to +3.45 VDC 12.0 A1 (low-profile computers); 14.0 A1 (midsize and mini tower computers) +5 VDC +4.75 to +5.25 VDC 18.0 A1 (low-profile computers); 22.0 A1 (midsize and mini tower computers) +12 VDC +11.40 to +12.60 VDC 3.0 A2 (low-profile computers); 6.0 A2 (midsize and mini tower computers) 1 The combined load on the +5-VDC and +3.3-VDC outputs should not exceed 105 W on the low-profile computers or 140 W on the midsize/mini tower computers. 2 Withstands surges of up to 11.0 A to support disk start-up operations. 1-24

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1-24
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+DUG´’LVN±’ULYH±IRU±WKH±0LQL±7RZHU±&RPSXWHU
The hard-disk drive bracket is located beneath the externally accessible drive
bays at the front of the computer. The hard-disk drive bracket can contain
either one or two 1-inch-high EIDE or SCSI hard-disk drives, or one 1-inch-high
EIDE or SCSI hard-disk drive and one 1.6-inch-high EIDE or SCSI hard-disk
drive.
+DUG´’LVN±’ULYH±IRU±WKH±2SWL3OH[±1;µ±&RPSXWHU
One 1-inch-high EIDE hard-disk drive can be mounted to the top of the
expansion-card cage.
3RZHU´6XSSO\±6HUYLFH±’DWD
The low-profile computers have a 145-W system power supply, the midsize
computers have a 200-W system power supply, and the mini tower computers
have a 230-W power supply. All system power supplies can operate from an
AC power source of 115 VAC at 50 to 60 Hz or 230 VAC at 50 to 60 Hz.
:$51,1*±²7KH²YROWDJH²VHOHFWLRQ²VZLWFK¶²ORFDWHG²RQ²WKH²EDFN²RI²WKH²
SRZHU²VXSSO\²DVVHPEO\¶²PXVW²EH²VHW²WR²WKH²FRUUHFW²RSHUDWLQJ²YROWDJH²
·¸¸¹²RU²º»¼²9½²EHIRUH²\RX²SOXJ²WKH²SRZHU²FDEOH²LQWR²DQ²HOHFWULFDO²
RXWOHW³
The system power supply provides the DC operating voltages and currents
listed in Table 1-4.
NOTE: The power supply produces DC voltages only under its loaded condi-
tion. Therefore, when you measure these voltages, the DC power input
connectors must be connected to their corresponding power input connectors
on the system board or drives.
7DEOH±²´·³±±2SWL3OH[±*;²½*;²S±’&±9ROWDJH±5DQJHV
9ROWDJH
5DQJH
0D[LPXP²2XWSXW²&XUUHQW
+3.3 VDC
+3.15 to +3.45 VDC
12.0 A
1
(low-profile computers);
14.0 A
1
(midsize and mini tower
computers)
+5 VDC
+4.75 to +5.25 VDC
18.0 A
1
(low-profile computers);
22.0 A
1
(midsize and mini tower
computers)
+12 VDC
+11.40 to +12.60 VDC
3.0 A
2
(low-profile computers);
6.0 A
2
(midsize and mini tower
computers)
1
The combined load on the +5-VDC and +3.3-VDC outputs should not exceed 105 W on
the low-profile computers or 140 W on the midsize/mini tower computers.
2
Withstands surges of up to 11.0 A to support disk start-up operations.