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1
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2
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3
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ATX Connector:
20,
24 or 20+4 Pin Main
power connector.
(Newest boards
don't need the white -5volt wire anymore, so it might be missing from new PSUs) |
Molex drive connector:
4 Pin 5.25"
drive connector for
CD
ROM, DVD ROM |
Berg drive connector:
4 Pin 3.5"
Connector for Floppy Drive |
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4
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5
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6
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SATA
HDD Connector |
3 Pin
Fan
Connector
(Obsolete.
PSU fans are now controled
by the PSU itself
rather than the motherboard) |
8 Pin
EPS connector: required on dual CPU boards. On Big PSUs only.
May be supplied as 2x4pin connectors. |
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7
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8
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9
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ATX
12V connector:
4 Pin
connector for Pentium 4 |
ATX auxiliary connector:
Sometimes required on old boards
(Obsolete) |
PCI Express
GFX
connector:
6 Pin
connector for PCI Express graphic cards. On Big PSUs only |
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10
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11
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AT P8 & P9 Connectors:
Only on old AT PSU.
Black wires should be side by side when connected. |
AT
Switch:
Only on old AT PSU. |
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<<<< Note that an ATX PSU with 24 pin can be plugged into a
motherboard which has a 20pin socket. The 4 unused pins (black, red, yellow
and orange wires) are simply left hanging. There is only one way the
connector can be plugged in, so there is no risk of error.
This may not be possible if some motherboard components are
too closed to the socket and prevent the 24pin connector to be pushed all
the way daown. In this case ask for a 24 to 20 pin adaptor or
cut the unused 4pin. |
