Hard Drives


4-Pin and 6-Pin FireWire connections
Most recent desktop and laptop computers that support FireWire use the common 6-Pin connector configuration. However, some legacy systems use only a 4-pin connector (see images below). The 4-Pin connector does not provide any power through the FireWire bus.

                                4-Pin FireWire                                                6-Pin FireWire
  • If you have 4-Pin FireWire you will need to provide your FireWire drive with power using an AC adapter.
  • If you are going through a FireWire CardBus card (PCMCIA card) and the drive still does not get power, then you will need to power the drive with an AC adapter. PC Card slots sometimes cannot provide adequate power through the slot, so even using a 6-pin connection will not provide power to the drive.
  • We have also noticed that customers have had problems with 4-to-6 Pin adapters.  We suggest using a 4-Pin to 6-Pin cable, not adapter.

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