Hi,

I have a RH7 system which I have just compiled kernel-2.4.2 for. The box has
an Asus CUV4X-D motherboard, and an Adaptec 29160 PCI SCSI controller. I'm
using the AIC7xxx driver.

Everything works, except the hard drive is a Quantum Atlas 10K2, 160MB/sec,
but is only detected as 80MB/sec, as follows:


# dmesg
...
SCSI subsystem driver Revision: 1.00
(scsi0) <Adaptec AIC-7892 Ultra 160/m SCSI host adapter> found at PCI 0/11/0
(scsi0) Wide Channel, SCSI ID=7, 32/255 SCBs
(scsi0) Downloading sequencer code... 392 instructions downloaded
scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.2.1/5.2.0
       <Adaptec AIC-7892 Ultra 160/m SCSI host adapter>
(scsi0:0:6:0) ***Synchronous at 80.0 Mbyte/sec***, offset 127.
  Vendor: QUANTUM   Model: ATLAS10K2-TY184L  Rev: DA40
  Type:   Direct-Access                      ANSI SCSI revision: 03
Detected scsi disk sda at scsi0, channel 0, id 6, lun 0
SCSI device sda: 35860910 512-byte hdwr sectors (18361 MB)
...


(My asterisks.)

Is this wrong, and can it be fixed, or am I just misunderstanding?


Thanks in advance,

Simon Garner

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