> Booting with CONFIG_BLK_DEV_CS5530=n and CONFIG_PATA_CS5530=y and > libdata_dma_mask=0 > kernel 2.6.24.7: > ... > ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx > Driver 'sd' needs updating - please use bus_type methods > scsi0: pata_cs5530 > scsi1: pata_cs5530 > ata1: PATA max UDMA/33 cmd 0x1f0 ctl 0x3f6 bmdma 0xfc00 irq 14 > ata2: PATA max UDMA/33 cmd 0x170 ctl 0x376 bmdma 0xfc08 irq 15 > ata1.00: ATA-5: SILICON POWER, 2.0, mas UDMA/66 > ata1.00: 2000880 sectors, multi 1: LBA > ata1.00: configured for PIO4 > scsi 0:0:0:0: Direct-Access ATA SILICON POWER 2.0 PQ: 0 ANSI: 5 > sd 0:0:0:0: [sda] 2000880 512-byte hardware sectors (1024 MB) > sd 0:0:0:0: [sda] Write Protect is off > sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA > sd 0:0:0:0: [sda] 2000880 512-byte hardware sectors (1024 MB) > sd 0:0:0:0: [sda] Write Protect is off > sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA > sda: sda1 And now it all works nicely > Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) > So PIO4 is now working. Great. But i am stuck with the root device. I would suggest posting to linux-kernel on that and talking to H Peter Anvin about possible ways to get a real boot loader on the box. -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html