Jumpers and SCSI IDs for ultra wide HDD

I'd like to know if there is optimized SCSI ID for ultra wide hard disks (Drive C and D), or is there no difference if I give ID 0 to 6 or ID 8 to 15 to my first drive?
I'd also like to know if there is specific jumper configuration for UW HDD.
Do I have to set on jumpers for : auto-start, option block mode, parity, master or slave sync, unit attention, TI sync negociations, etc... Please help.
My 2 HDD are IBM DFHS 32160, 2.2Go ultra wide.
You can have more information about those 2 HDs at :
http://www.storage.ibm.com/storage/techsup/hddtech/dfhs
/dfhsjum.htm
Thank you in advance...
bulldog032098Asked:
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JBURGHARDTCommented:
Well you should use ID 0 for first hard disk and 1 for second one this will let you boot from them other ID addresses are not bootable but you can set your hard disk to any of them  setings for hard disk will have to be supported by your scsi card or bus so let me know what you are using also brand name and model number
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bulldog032098Author Commented:
Well... To start with, I have an Adaptec 2940 UW PCI. Secondly, I can, with this card, boot from any drive, no matter the SCSI ID. My question was concerning the best configuration for speed. Would a disk be, for example, faster with SCSI ID 0, or it just doesn't matter at all?
Finally, I'd need to know what those settings I mentioned in my question are.
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