Ok to have to Firewire disk (one is 800 and the second 400) on the same FW?

Is it safe to have to external harddrives (type: La Cia "Rugged drive"), disk A is FW800 and disk B is FW400 on the same Firewire bus? I do only have one Firewire bus on my Mac Book Pro..... I did put disk A first in the "chain".....

The way it works is that the device closest to the computer will set the speed of the connection.
So, if the chain is set up: Computer>FW800 drive>FW400 drive, the FW 800 drive will function at its normal speed and the FW400 drive will connect at its normal speed.
Were you switch the order of the drives, both drives would function at FW 400 speed.
However, there can be other issues at play. For example, a G-Technology G-RAID2 drive will default to FW400 (or less) speeds if another FW 800 drive is attached. Go figure.
x

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