Amiga Active list (768/1044)

From:Robert Cranley
Date:24 Sep 2001 at 13:43:31
Subject:[amigactive] Re: Floppydrive Jumpers?

Hi Glyn,

On 09-Sep-01, you wrote:

>> DS0-DS1-DS2-DS3 seems obviously to be the drive
>> number (DF0: ......ect..)

Well, they usually tell the drive which unit to sign on as, but the Amiga
does this in its cabling/interface, so I'd say they all have to be set to
unit 0 (My 2 internal drives are).

>> But can somebody please tell me the meaning of these
>> abbrivations:

>> [ MD-MM-RDY-DC-TTL/C-MOS ] ??

> so TTL/C-MOS must switch the logic circuits and
> therefore the opperating voltages/tempretures.

Yeah, it'd be for the compatibility levels of the logic, TTl and CMOS have
different interpretations of logic 0 and 1 when the voltages aren't close to
the power supply (0V and 5V)

> As for the other 4 yo got me, Could RDY stand for
> drive ready?

I'd say they're probably for configuring the connector on the drive. Amiga
drives have the diskchange signals swapped around some way, maybe it's a way
of changing that so it's compatibly with a PC also (as a 720k drive). As for
the others, I don't have a clue either, sorry...

Regards,
Rob



http://ireland.amiga.org

AIM: Daedalus2097 ICQ: 103366205 IRC: Daedalus on ARCNET



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