Subj : Re: IDE
To   : MATT MC_CARTHY
From : BEN RITCHEY
Date : Sun May 22 2005 02:48 pm

* An ongoing debate between Matt Mc_Carthy and Ben Ritchey rages on ...

BR>> I am using one of those IDE to USB I/F cables (works great) and
BR>> would like to add a remote LED "activity" light to the device. Is
| MC>     39      /HOST          (To Host, Active Low) Dual purpose pin.
| MC>            SLV/ACT         When drive is Slave (SLV), this pin is used
| MC>                            during a Diagnostic command to signal to
| MC>                            the Master that a Slave is present.  Drive
| MC>                            Activity to host: It is active when the
| MC>                            drive is executing a command.  May be used
| MC>                            by host to drive an activity LED.

Look like Pin 39 should do; any recommendations for an interface? My 1st choice
would be a simple Op amp/LED driver circuit ... :)

Finally finished the IDE box with Green Power and Red Activity LEDs which
tested great and are highly visible.

--
Be well    :^)

 : Ben   aka cMech    http://bellsouthpwp.net/c/m/cmech617/
 :
 +    WildCat! Board 24/7  +1-337-232-4155  V92 56k  8,N,1
--- GoldEd+/DOS v1.1.5cM
 * Origin: FIDONet - The Positronium Repository (1:393/68)

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