[Coco] CoCo 3 with MPI crashes when booting Nitros-9

Mike Pepe lamune at doki-doki.net
Tue Apr 21 18:36:17 EDT 2009


> -----Original Message-----
> From: coco-bounces at maltedmedia.com [mailto:coco-
> bounces at maltedmedia.com] On Behalf Of Christian Lesage
> Sent: Tuesday, April 21, 2009 3:24 PM
> To: CoCoList for Color Computer Enthusiasts
> Subject: [Coco] CoCo 3 with MPI crashes when booting Nitros-9
> 
> Any thoughts as to why my CoCo 3 almost always crashes when it boots
> Nitros-9 off a floppy disk, the controller being plugged into the
MPI's
> slot #4 (usually right after displaying "i2xoC")?
> 
> The MPI is cat. # 26-3124, and the FDC is cat. # 26-3029.
> 
> At first I thought the problem was with one of the three mods I made
> lately (homemade 512k upgrade, HD63B09EP in a socket, and 27c256 in a
> socket), but then I plugged the floppy disk controller directly into
> the
> CoCo's expansion port, and I no longer experience crashes when booting
> Nitros-9.
> 
> I never owned an MPI before, so I'm not used to the problems related
> with this device. Perhaps the edge connectors are oxidized? The
> contacts
> don't look like they're gold-plated.
> 
> Christian
> 

Could be oxidation. Does the MPI have the CoCo 3 compatibility mod
installed?



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