SATA 300 Drive Being Run At 150

[Abdullah Ibn Hamad Al-Marri]

On 7/26/07, Eduardo Meyer <dudu.meyer at gmail.com> wrote:
> On 7/22/07, Jeremy Chadwick <koitsu at freebsd.org> wrote:
> > On Sun, Jul 22, 2007 at 12:10:12AM -0300, Marc G. Fournier wrote:
> > > 'k, I just bought a new desktop, SATA/300MB/s interface, and this drive:
> > >
> > > <http://www.wdc.com/en/products/products.asp?DriveID=254>
> > >
> > > Web site states 3Gb/s ... I'm seeing same SATA!50:
> >
> > Seagate and WDC both ship SATA300 drives with a SATA150-limiting jumper
> > on them.  It's documented on the drive itself, and in the manufacturing
> > manuals.  Both companies do this as a precaution; there are some buggy
> > chipsets out there which claim to support SATA300 but then break badly
> > when utilising it.  This is why the jumper's set to SATA150 by default.
> >
> > Chances are your drives have the jumper limiting the drive to SATA150.
>
> I have the same situation here, but not the same hardware:
>
> atapci0: <Intel ICH7 SATA300 controller> port
> 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x3020-0x302f mem
> 0xe8200000-0xe82003ff irq 19 at device 31.2 on pci0
>
> ad0: 76319MB <SAMSUNG HD080HJ ZH100-47> at ata0-master SATA150
>
> This drive is withtout the jumper, which according to the manual means
> it should operate as SATA300 (while with jumper plugged, it is limited
> to SATA150). But it is only controlled as SATA150.
>
> So, chances are my disc also have some problem?
>
>
> --
> ===========
> Eduardo Meyer
> pessoal: dudu.meyer at gmail.com
> profissional: ddm.farmaciap at saude.gov.br

Here is me too.

FreeBSD services.wearab.net 7.0-CURRENT FreeBSD 7.0-CURRENT #2: Tue
Jul 24 05:07:02 GMT 2007
arabian at services.wearab.net:/usr/obj/usr/src/sys/SERVICES amd64

ACPI APIC Table: <INTEL  D946GZIS>
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Core(TM)2 CPU          6600  @ 2.40GHz (2397.61-MHz K8-class CPU)
  Origin = "GenuineIntel"  Id = 0x6f6  Stepping = 6
  Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
  Features2=0xe3bd<SSE3,RSVD2,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM>
  AMD Features=0x20100800<SYSCALL,NX,LM>
  AMD Features2=0x1<LAHF>
  Cores per package: 2
usable memory = 2130096128 (2031 MB)
avail memory  = 2055856128 (1960 MB)
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs

atapci0: <Intel ICH7 SATA300 controller> port
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x20a0-0x20af mem
0x90200000-0x902003ff irq 19 at device 31.2 on pci0
ata0: <ATA channel 0> on atapci0
ata0: [ITHREAD]
ata1: <ATA channel 1> on atapci0
ata1: [ITHREAD]
ad0: 70911MB <WDC WD740ADFD-60NLR1 20.07P20> at ata0-master SATA150
ad2: 238474MB <WDC WD2500JD-50FYB0 02.05D02> at ata1-master SATA150
SMP: AP CPU #1 Launched!
Trying to mount root from ufs:/dev/ad0s1a


-- 
Regards,

-Abdullah Ibn Hamad Al-Marri
Arab Portal
http://www.WeArab.Net/