Raid drive speeds

[Nick Twaddell]

I just connected to maxtor atlas 15k 73gig drives to my adaptec 2120S
controller.  On boot this is what it says

pass0: <F6C6OR ATLAS15K_73SCA DSE2> Fixed unknown SCSI-3 device
pass0: 160.000MB/s transfers (80.000MHz, offset 127, 16bit)
pass1 at aacp0 bus 0 target 1 lun 0
pass1: <8737OR ATLAS15K_73SCA DP60> Fixed unknown SCSI-3 device
pass1: 26.400MB/s transfers (64bit)

Why does it say one drive is 160MB transfers, and the other is 26.400MB
transfers.  Both drives are ultra320 and they seem to show up as ultra320 in
the adaptec bios?

Thanks

Nick 
 
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Nick Twaddell
Web Space Solutions
Ph: (805) 704-4038 Fx: (805) 434-2477