P1 | White | X1PCIEXP1 | Black | PCI Express x1 | |
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FRONT | Blue | Front I/O/power switch | X16PCIEXP | Black | PCI Express x16 |
USB3.0 |
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MEDIA 3.0 | Black | Media card reader connector | PAR | Black | Optional parallel port |
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SATA2 | Light | Any SATA device other than | COMB | Black | Optional second serial port |
| blue | the primary hard drive |
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SPKR | White | Speaker | CHFAN2 | Red | Fan |
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SATA0 | Dark | Hard drive |
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| blue |
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54 Chapter 4 Removal and replacement procedures – Microtower (MT) chassis