The heatsink and hard drive bracketing aren't features of the logic
board; you can easily have a Rev 2 board in a Rev 1 case. (I do.) The
forbidden reference shows 2 board revs (with part number):
Logic Board Rev. 1 661-2104
Rev. 2 661-2194
Unfortunately, Apple doesn't actually print the part number on the
board. But, since I have one of each on hand, the boards are labeled:
Rev 1 - "820-0987-A"
Rev 2 - "820-1049-A"
Only the portion in quotes is on the board, which is printed on the
front edge, midway between the ZIF and memory sockets.
The ROM revision numbers tell you what version was burned into the chip.
But, since the ROM is flashable, either board could have the latest
revision.
On Wednesday, August 28, 2002, at 03:00 PM, Albert D'Amanda wrote:
> The B&W G3 Yosemite had a V1 and a V2 motherboard (MOBO)
>
> The V1 could not reliably support a Master-Slave IDE Hard Drive
> configuration
>
> The V2 corrected this by changing/ udating the IDE Controller Chip
>
> Go to the following web site for a detailed ,pictorial description of
> how to tell the difference
>
> http://www.xlr8yourmac.com/G3-ZONE/yosemite/newfeatures.html
>
> Among the more visible things:
>
> --The heat sink is a two tiered configuration
> --The IDE Controller Chip chip has a different coded identification
> number( best way)
> --Stock hard drive base is configured to vertically mount two hard
> drives
> its all in the documentation
>
> albert
> B&W g3 / V1 MOBO
>
> BTW
>
> I belive that the the ASP Production Numbers tell you "nothing" as to a
> V1 or a V2
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