I was reading the Hitachi SuperH programming manual andnoticed it explicitly 
said the processor supports PCMCIA, this in theory would be the easiest 
method of connecting a hard drive, there wouldn't be as much hardware 
interfacing.  Although, who knows how you'd connect it...

Michael Robinson

On Monday 07 July 2003 17:36, Michael Robinson wrote:
> I've also been planning on building bitmaster's ISA/IDE interface but the
> ICs he uses don't seem to be stocked by any electronics stores such as
> Jameco, Digi-Key, or Mouser.  The guy who worte the NetBSD driver for
> bitmaster's device's site is down (in other words, his site is down.)  From
> looking at bitmaster's GD-ROM pinout I can't tell what interface it is,
> maybe I could e-mail him, although I think when I did before he said he did
> it three years ago and isn't interested anymore/can't remember.
>
> Michael Robinson
>
> I know this. I'm sorry that I wasn't more specific in my question. It
> leaded to answers I did not wanted to hear ;) .
>
>  I know we can use the expansion port to hook-up a IDE / ISA interface, as
> BitMaster32 did. I plan to make such a board in the upcoming days. This can
> be uses to attach wd* and/or ATAPI devices.
>
> But my question was specifically directed to the connector that connects
> the GD-ROM drive to the motherboard, inside the dreamcast. I ask what kind
> of bus it is. Here I put pictures on my gate so you can see.
>
> GD-ROM unit. http://neutr1n0x.no-ip.org/dc/GD-ROM.JPG
> connector on the GD-ROM. [Top right]
> http://neutr1n0x.no-ip.org/dc/gd-rom-sw1.jpg
> connector on the Motherboard. http://neutr1n0x.no-ip.org/dc/MB-ports.jpg
>
> Where can I get the connector's pinouts and if it is possible to use
> another storage device instead of the GD-ROM plugged into that particular
> port. Again light me up and I'll be happy :)