SCSI HDD Problem
I use QDI LegenX IV Dual-Celeron 440LX board.
It has on-board AIC-7880 Ultra SCSI host adapter.
My dmesg is:
Jul 27 08:03:11 jason kernel: SCSI subsystem driver Revision: 1.00
Jul 27 08:03:11 jason kernel: ahc_pci:0:11:0: Illegal cable configuration!!.
Only two connectors on the adapter may be used at a time!
Jul 27 08:03:11 jason kernel: scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA
DRIVER, Rev 6.2.4
Jul 27 08:03:11 jason kernel: <Adaptec aic7880 Ultra SCSI adapter>
Jul 27 08:03:11 jason kernel: aic7880: Ultra Wide Channel A, SCSI
Id=7, 16/253 SCBs
Jul 27 08:03:11 jason kernel:
Jul 27 08:03:11 jason kernel: Vendor: IBM Model: IC35L018UWD210-0
Rev: S5BS
Jul 27 08:03:11 jason kernel: Type: Direct-Access
ANSI SCSI revision: 03
Jul 27 08:03:11 jason kernel: (scsi0:A:0): 20.000MB/s transfers (10.000MHz,
offset 8, 16bit)
Jul 27 08:03:11 jason kernel: scsi0:A:0:0: Tagged Queuing enabled. Depth
253
Jul 27 08:03:11 jason kernel: Attached scsi disk sda at scsi0, channel 0, id
0, lun 0
Jul 27 08:03:11 jason kernel: SCSI device sda: 35843670 512-byte hdwr
sectors (18352 MB)
Jul 27 08:03:11 jason kernel: Partition check:
Jul 27 08:03:11 jason kernel: sda: sda1 sda2 sda3 < sda5 sda6 sda7 sda8 >
1. Why "Illegal cable configuration!!. Only two connectors on the adapter
may be used at a time!" message is displayed?
My SCSI BIOS termination is set to "automatic" and HDD side termination
jumper was properly set.
In kernel 2.2 I had no problem, but in kernel 2.4, I've got above message.
2. I think transfer speed should be 40MB/s(20MHz). Is there any scsi
checking tool or method?
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