Power and Signal Distribution
| Table |
| System Board Connector, Indicator, and Switch Designations |
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P6 | Internal speaker header |
P8 | CPU fan header |
P9 | Chassis fan, primary, header |
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P10 | Floppy drive header |
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P11 | Power supply or rear chassis fan header |
P20 | Primary IDE header |
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P21 | Secondary IDE header |
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P23 | Front panel audio header |
P24/P25 | Front panel USB header |
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P52 | Serial port, secondary, header |
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P53 | Serial port, primary connector |
P54 | Serial port, primary header |
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P60 | SATA0 (controller 1, primary master) connector (dark blue) |
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P61 | SATA1 (controller 1, secondary master) connector (white) |
P62 | SATA2 (controller 1, primary slave) connector (light blue) |
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P63 | SATA3 (controller 1, secondary slave) connector (orange) |
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P64 | SATA4 / eSATA (controller 2, primary master) connector (black) |
P124 | Hood lock header |
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P125 | Hood sense header |
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P126 | Parallel port header |
P128 | Thermal sensor header |
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P150 | Internal USB header |
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P151 | Internal USB header |
P160 | SATA drive power (see note below) |
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P161 | SATA drive power (see note below) |
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P165 | Powered serial port LPC header |
P200 | Alternate system control panel header |
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SW1 | Power button |
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SW50 | Clear CMOS switch |
XMM1 | Memory slot (DIMM1 or SODIMM1) |
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XMM2 | Memory slot (DIMM2 or SODIMM2) |
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XMM3 | Memory slot (DIMM3 or SODIMM3) |
XMM4 | Memory slot (DIMM4 or SODIMM4) |
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XU1 | Processor socket |
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XBT1 | Battery socket |
✎SATA power headers P160 and P161 are meant to provide power for internal SATA drives only. The current limits for these connctors are:
6A/pin for CMT, MT, and SFF form factors 3A/pin for USDT the form facto
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