Subject: Re: ccd on ide drives
To: None <>
From: Mike Long <>
List: current-users
Date: 01/08/1996 19:19:25
>Date: Mon, 08 Jan 1996 07:52:57 -0800
>From: "Michael L. VanLoon --" <>

>Kinda defeats the whole purpose of ccd since IDE doesn't allow for
>simultaneous transactions on independent drives.

Not it they are on separate controllers (e.g. wd0 at wdc0, wd1 at

In fact, IDE controllers have become so dirt-cheap that anyone with
two IDE drives may want to look into putting the second drive on its
own controller.  The speed increase should more than make up for the
loss of one free IRQ.  YMMV, though.
Mike Long <> 
VLSI Design Engineer         finger for PGP public key
Analog Devices, CPD Division          CCBF225E7D3F7ECB2C8F7ABB15D9BE7B
Norwood, MA 02062 USA       (eq (opinion 'ADI) (opinion 'mike)) -> nil