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Re: Apple II SCSI jumper and connector

Dennis <djc@altair.csustan.edu> via Paulo Figueiredo
<figueirp@ecs.ecs.csus.edu> wrote:

> Can anyone describe the connectors on the Apple II (_not_ HS) SCSI
> card?  I think one is a set of jumpers and the other a DMA connector,
> but I don't have any documentation.

There are only two "connectors" on the Apple SCSI card: the SCSI cable
and the slot connector.

The original Apple SCSI card has a row of eight jumpers that are used to
set the SCSI ID of the card.  Any one pair must be connected.  The SCSI
ID is normally set to 7, which has the jumper on the pair furthest from
the edge of the card.

(The High-Speed card has three DIP switches to set the SCSI ID, and a
fourth which selects whether DMA is enabled.)

-- 
David Empson
dempson@actrix.gen.nz
Snail Mail: P.O. Box 27-103, Wellington, New Zealand