Well here is the latest in case you did not get my mail list message.
I downloaded the manual and that was beneficial. By accident I removed what
appears to have been a ROM simms installed in the ROM socket. Lo and behold
the start up chimes sounded and the 950 started up and is running fine.
One problem--can't get the floppy to work. It ejects but does not spin. The
floppy drive worked fine in the IIci as did the cable. I dug up the
following from an apple tech support file that looks interesting:
The Serial Switch control panel is designed for systems that contain
intelligent I/O processors (IOPs). Only the Macintosh IIfx, Quadra 900, and
Quadra 950 have IOPs on the ports for the floppy disk, ADB, and serial I/O.
These ASICs feature a built-in microprocessor, DMA controller, timer, and
external Static RAM (SRAM), used to off-load floppy disk, ADB, modem, and
printer port interrupts. If you use Serial Switch on a Macintosh that has no
IOP, you will see the error message you report.
Now I wonder that since this floppy was not shipped with the 950, maybe it
does not have a "IOP" like it is supposed to. What do you think? Am I on to
something here or am I all wet?
You thoughts in general are welcome.
Byron,
[EMAIL PROTECTED]
> From: "J.M.P.Hissel" <[EMAIL PROTECTED]>
>
> Go to <http://www.traffictrak.com/ServiceManuals/> and download a
> servicemanual for the Q950. Has a lot of very clear drawnings and
> descriptions.
> Let's know how this works out.
>
> Joe.
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