Messages in this thread | | | From | "L P" <> | Date | Thu, 21 Nov 2002 18:34:37 +0800 | Subject | Re: Problems Hot-Swapping IDE ATA drives |
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Dear Daniela, > There is a problem with PCMCIA<->ATA adapters and "True IDE mode": > > A CompactFlash unit enters "True IDE mode" when the /OE pin is held low > at device power on. This is fine when your system is powered on with > the CF card inserted. But if you insert a CF card into an already > powered on system, the /OE pin is not connected to the socket and thus > held high by an device-internal pull up at device power on. This is > because the power pins are longer than the other pins and connected > before the others! So the CF card enters "memory mapped mode" instead > of "True ATA mode" and is no longer accessible from the ATA host.
Many many thanks to you for the hint - I added the On/Off switch on the adapter power and everything now works fine! I insert cassette, cycle the power and mount the drive - it works! Once again - many thanks.
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