> The CD-ROM *definately* *does* need to be terminated. > > Per the SCSI specs, termination power, on such a small chain, is NOT > an issue. The issue is absorbing reflections -- which is the point of > termination.
The issue is NOT absorbing reflections, per se, rather it IS providing a definite "level", as the SCSI spec specifies (and requires) open-collector drivers and Schmitt trigger receivers, and an open collector driver, by definition, cannot provide a definite (voltage) level, it can only "sink" a current from an external source. The internal pull-up resistor within the receiver chip within the target (drive) itself is usually enough to provide this "level". The same is true of the receiver chip within the host (PwerBook) itself. -- PowerBooks is sponsored by <http://lowendmac.com/> and... Small Dog Electronics http://www.smalldog.com | Enter To Win A | -- Canon PowerShot Digital Cameras start at $299 | Free iBook! | Support Low End Mac <http://lowendmac.com/lists/support.html> PowerBooks list info: <http://lowendmac.com/lists/powerbooks.shtml> --> AOL users, remove "mailto:" Send list messages to: <mailto:powerbooks@mail.maclaunch.com> To unsubscribe, email: <mailto:[EMAIL PROTECTED]> For digest mode, email: <mailto:[EMAIL PROTECTED]> Subscription questions: <mailto:[EMAIL PROTECTED]> Archive: <http://www.mail-archive.com/powerbooks%40mail.maclaunch.com/> iPod Accessories for Less at 1-800-iPOD.COM Fast Delivery, Low Price, Good Deal www.1800ipod.com