Dell GX1 Computer Accessories User Manual


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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.
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One 1-inch-high EIDE hard-disk drive can be mounted to the top of the
expansion-card cage.
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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.
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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.
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+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.
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