In article <BA3CB877.683%dleader@mac.com>,
 Donal Leader <dleader@mac.com> wrote:

> Hi:
> 
> I am running a GS Rom3 with Focus Hard Drive. I purchased a Sirius 4 Meg
> card from Alltech. When I install this card in place of the Apple 1 Meg
> Memory Expansion card in the Memory Expansion slot, the GS refuses to boot.
> I just get scrolling video garbage on my screen. Any ideas?
> 
> Donal
> 
> Galway, Ireland
> 

Are the jumpers set correctly? My SIRIUS Mini-Manual shows the following 
settings for 4MB: (best viewed with fixed width font like courier)

 + - + - +  Begin ASCII Art  + - + - +

      +----------------+
      | +--------+     |
 7.5C | | O   O  | O   |
      | +--------+     |
      |     +--------+ |
   D4 |   O | O    O | | D6
      |     +--------+ |
      | +--------+     |
1024K | | O   O  | O   | 256K
      | +--------+     |
      |     +--------+ |
    L |   O | O    O | | CRow0
      |     +--------+ |
      |     +--------+ |
    H |   O | O    O | | CRow1
      |     +--------+ |
      +----------------+

 + - + - +  End ASCII Art  + - + - +