On Aug 15, 2010, at 9:07 PM, Robert Long wrote:
I observed that the connection from the HD to the MB are female and
there is one spare connection. Can I connect another HD and what
type of cable or connection do I need? I have been given sever
HDs, 20 gb and 40 gb. I don't know at this point if they are any
good yet. If I get the right cable or connection I will try them
and use it.
Rev 1s came with a single drive cable.
Rev 2s came with a two drive cable.
You might have a Rev 2. Check for "-402" on the IDE chip. If it is
there, yours is a Rev. 2. If "-402" is not present, yours is a Rev 1.
Rev 1s cannot reliably support two HDs on the HD bus, but they CAN
support a second HD on the optical bus as this uses a different chip.
I run three HDs in all my remainng PPC Macs. I usually have a
smallish (200 GB) HD in where the Zip drive used to be.
My main drive tray has a 160 GB drive on the bottom and a 500 GB
drive on the top.
"Failsafe" partitioning is used for compatibility with pre-QS 2002
machines, although I am now using the very same drives on my QS 2002
machines.
Basically, you partition the drives with a 131,072 MB partition and
all the remaining space on another partition.
Then, you go back and break the "below the 131,072 MB 'line'"
partition as required. Usually, I leave the "above the 131,072 MB
'line'" partition alone, but that, too, can be further broken down as
required.
A pre-QS 2002 machine can only boot from below the 131,072 MB line.
There are no restrictions on QS 2002 and later PPCs.
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