ICH7M limited to SATA-150?

Miroslav Lachman 000.fbsd at quip.cz
Thu Oct 30 13:05:23 PDT 2008


Michael Butler wrote:

> Recently, I upgraded the disk in my Toshiba A105 with a 7200rpm SATA-II
> device but it seems to still talking at SATA-I speed :-(
> 
> atapci0: <Intel ICH7M SATA300 controller> port
> 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x18b0-0x18bf at device 31.2 on pci0
> 
>  [ .. snip .. ]
> 
> ad0: 305245MB <FUJITSU MHZ2320BJ G2 0000001E> at ata0-master SATA150
> acd0: DVDR <MATSHITADVD-RAM UJ-841S/1.60> at ata1-master UDMA33
> 
> There don't appear to be any obvious 'compatibility jumpers' on the
> drive, so I'm wondering what gives?
> 
> Is it possible this is hard-coded into the BIOS?

It is possible to switch it in HDD firmware, but it depends on HDD 
manufacturer. I don't know Fujitsu drives. Try to search the Fujitsu 
website for some HDD utility to change SATA / SATA II.

Miroslav Lachman


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