Getting SATA working

[Michael Hipp]

I'm trying to add SATA to one of my servers with a Syba card: 
http://www.syba.com/product/43/02/05/index.html

The card should use the sata_sil module according to this: 
http://linux-ata.org/driver-status.html#sii311x

$ lsmod | grep sil
sata_sil               10500  0
libata                 84240  1 sata_sil

dmesg finds this:
[42949381.480000] libata version 1.20 loaded.
[42949381.480000] sata_sil 0000:02:04.0: version 0.9
[42949381.490000] ACPI: PCI Interrupt 0000:02:04.0[A] -> GSI 17 (level, 
low) -> IRQ 177
[42949381.490000] ata1: SATA max UDMA/100 cmd 0xF083C880 ctl 0xF083C88A 
bmdma 0xF083C800 irq 177
[42949381.490000] ata2: SATA max UDMA/100 cmd 0xF083C8C0 ctl 0xF083C8CA 
bmdma 0xF083C808 irq 177
[42949381.490000] ata3: SATA max UDMA/100 cmd 0xF083CA80 ctl 0xF083CA8A 
bmdma 0xF083CA00 irq 177
[42949381.490000] ata4: SATA max UDMA/100 cmd 0xF083CAC0 ctl 0xF083CACA 
bmdma 0xF083CA08 irq 177
[42949381.700000] ata1: no device found (phy stat ffffffff)
[42949381.700000] scsi1 : sata_sil
[42949381.910000] ata2: no device found (phy stat ffffffff)
[42949381.910000] scsi2 : sata_sil
[42949382.120000] ata3: no device found (phy stat ffffffff)
[42949382.120000] scsi3 : sata_sil
[42949382.330000] ata4: no device found (phy stat ffffffff)
[42949382.330000] scsi4 : sata_sil

Google didn't turn up anything helpful (other than it *should* work). 
There's nothing in /proc/partitions to indicate the existence of the two 
disks I have connected to the SATA card. But if I try to fdisk any of 
them they're not there.

Any ideas on how to troubleshoot / fix this?

Thanks,
Michael