Question re hard drive jumper settings for cable select on quicksilver single processor 867 MHz

2010-09-19 Thread benreviug
Dear List,

hi. sorry but I’ve really found this difficult to find info on the
net. My quicksilver has what looks like cable select cables for both
the hard drive bus and the dvd-r / zip bus, (blue connector for m/
board, grey for slave, black for primary drive) so when using a new
hard drive should I

1. set the jumper settings (Seagate hard drives) to master ie
( |: : : : ) and slave ( : : : : )
Or,

2. set the jumpers to ‘cable select’ ( : |: : : ) on both?

Sorry but a lot of conflicting info around.

All the best

Ben guiver
07958 658569
London uk

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Re: Question re hard drive jumper settings for cable select on quicksilver single processor 867 MHz

2010-09-19 Thread John Carmonne

On Sep 19, 2010, at 7:23 AM, benreviug wrote:

 Dear List,
 
 hi. sorry but I’ve really found this difficult to find info on the
 net. My quicksilver has what looks like cable select cables for both
 the hard drive bus and the dvd-r / zip bus, (blue connector for m/
 board, grey for slave, black for primary drive) so when using a new
 hard drive should I
 
 1. set the jumper settings (Seagate hard drives) to master ie
 ( |: : : : ) and slave ( : : : : )
 Or,
 
 2. set the jumpers to ‘cable select’ ( : |: : : ) on both?
 
 Sorry but a lot of conflicting info around.
I would try cable select on both, all that maters is if they work. My PM MDD 
uses cable select throughout and I also use cable select on my Cubes.


John Carmonne
Yorba Linda USA
Sent from my MBP



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Re: Question re hard drive jumper settings for cable select on quicksilver single processor 867 MHz

2010-09-19 Thread Peter Haas


On Sep 19, 2010, at 8:40 AM, John Carmonne wrote:


1. set the jumper settings (Seagate hard drives) to master ie
( |: : : : ) and slave ( : : : : )
Or,

2. set the jumpers to ‘cable select’ ( : |: : : ) on both?

Sorry but a lot of conflicting info around.
I would try cable select on both, all that maters is if they work.  
My PM MDD uses cable select throughout and I also use cable select  
on my Cubes.


Either will work, but be consistent.

Apple implemented the HP/Compaq patent for cable select, but only  
part of it ... the part which is executed at power-on. After power- 
on, it is behaving as Master/Slave, but as we all know, Master and  
Slave are not that at all ... they are peers.


I always set my drives to Master (for the last and first drive) and  
Slave (for the next-to-last and second drive, if present).


The optical drive is also on a cable select cable, but it is set by  
Apple to Master.


Whenever I install an additional HD in the Zip carrier, it is set to  
Slave.



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