Thursday, February 06, 2020

macpro3,1 2008 hidden sata and power

it seems like i can limit 2 HDD on the HDD bays if i connected the hidden sata cables and use the ATA power.
Anyway.  I think figured out how to resolve or at least work around this problem.

Present configuration that works

Inside the 5 1/4 drive bay
1 Blu-ray drive connected to hidden sata port, with power from the original power molex to an adaptor to the drive
1 Superdrive, the stock one.  Once I connected with the ATA cable and power I was able to bootup the whole thing, even with 3 drives in the drive bays.
Drive Bays
1 the boot SSD drive
2 HDDs in drive bay 2 and 3.
Before connecting the superdrive I wasn't able to make the 3rd drive to work, I mean the system won't even bootup.

When I got this system, the superdrive was there but not connected.  Initially when I put my SSD into the 5 1/4 drive I just snaked 2 SATA cables and never bother to reconnect the Superdrive and at one point I even removed it out of the caddy.

It seems like I need to complete some circuit or something for the system power to work correctly.  Otherwise some sata won't work as previously.  I know it doesn't sound very scientific but I am not a science guy.  No excuse though.

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