Date : Mon, 12 Jan 2004 13:01:59 +0100
From : "Mark Usher" <mu.list@...>
Subject: Re: Host adapter Issue D
Philip Blundell wrote:
> My issue D board does not have that change. It sounds like this
> modification is probably altering the address that the board will
> respond at on the bus. The '138 is a 3-to-8 line decoder;
> pin 15 is the Y0 output, and pin 13 is the Y2 output.
Pete Turnbull wrote:
> That changes the interface addresses from FC40-FC43 to FC48-FC4C.
> Maybe that's why it's not responsive! Perhaps someone modified this
> to work in a multiple-adaptor system.
And as if by magic the hard drive appeared. Thanks for that. Now to do
some tests to see if this board will work well straight through to SCSI
drives. I think also I *must* hook up 2 host adapters to one system for
the fun of it.
To put both on the 1MHZ bus must I simply put them on the same 34 ribbon
<BBC>-------->Host 1<------->Host 2<
Or is some sort of termination recquired?