As requested, the output of lsmod on my system. Please note that this generated with the system in a functioning state, i.e., with all four disks attached to the same controller: gisli@loki:~$ lsmod Module Size Used by acpi_sbs 19980 0 i2c_acpi_ec 5120 1 acpi_sbs i2c_core 21904 1 i2c_acpi_ec battery 9988 1 acpi_sbs ac 5252 1 acpi_sbs thermal 13576 0 processor 23360 1 thermal fan 4868 0 button 6672 0 e1000 118840 0 nls_utf8 2176 1 udf 88452 1 ipv6 265600 6 rfcomm 40216 0 l2cap 26244 5 rfcomm bluetooth 49892 4 rfcomm,l2cap speedstep_lib 4484 0 cpufreq_powersave 1920 0 cpufreq_stats 5636 0 cpufreq_userspace 4696 0 cpufreq_ondemand 6428 0 cpufreq_conservative 7332 0 freq_table 4740 1 cpufreq_stats tc1100_wmi 6916 0 video 16260 0 container 4608 0 pcc_acpi 12416 0 sony_acpi 5516 0 dev_acpi 11140 0 hotkey 11556 0 dm_mod 58936 1 raid1 22656 1 sbp2 24196 0 lp 11844 0 rsrc_nonstatic 13440 0 pcmcia_core 42640 1 rsrc_nonstatic af_packet 22920 2 tsdev 8000 0 snd_intel8x0 33820 5 floppy 62148 0 snd_ac97_codec 92704 1 snd_intel8x0 snd_ac97_bus 2304 1 snd_ac97_codec snd_pcm_oss 53664 0 snd_mixer_oss 18688 1 snd_pcm_oss parport_pc 35780 1 parport 36296 2 lp,parport_pc ohci1394 35124 0 snd_mpu401 6728 0 snd_mpu401_uart 7680 1 snd_mpu401 snd_rawmidi 25504 1 snd_mpu401_uart snd_seq_device 8716 1 snd_rawmidi analog 12320 0 gameport 15496 1 analog psmouse 36228 0 rtc 13492 0 snd_pcm 89736 4 snd_intel8x0,snd_ac97_codec,snd_pcm_oss snd_timer 25220 4 snd_pcm ieee1394 299832 2 sbp2,ohci1394 serio_raw 7300 0 nvidia 3921884 0 snd 55268 16 snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_mpu401,snd_mpu401_uart,snd_rawmidi,snd_seq_device,snd_pcm,snd_timer soundcore 10208 1 snd usblp 13056 1 pcspkr 2180 0 snd_page_alloc 10632 2 snd_intel8x0,snd_pcm hw_random 5652 0 shpchp 45632 0 intel_agp 22940 1 agpgart 34888 2 nvidia,intel_agp pci_hotplug 29236 1 shpchp sg 37920 0 evdev 9856 1 reiserfs 268016 4 raid5 28544 1 xor 15624 1 raid5 raid0 8832 2 md_mod 72532 5 raid1,raid5,raid0 ide_generic 1536 0 ehci_hcd 32008 0 uhci_hcd 33680 0 usbcore 129668 5 usblp,ehci_hcd,uhci_hcd ide_cd 33028 1 cdrom 38560 1 ide_cd piix 11012 1 generic 5124 0 sd_mod 19984 18 sata_promise 11780 28 libata 75660 1 sata_promise scsi_mod 139240 5 sbp2,sg,sd_mod,sata_promise,libata capability 5000 0 commoncap 7296 1 capability vga16fb 13448 1 vgastate 10368 1 vga16fb fbcon 42784 73 tileblit 2816 1 fbcon font 8320 1 fbcon bitblit 6272 1 fbcon softcursor 2304 1 bitblit Yup, ide_generic seems to be there. gisli@loki:~$ lsmod | grep ide_generic ide_generic 1536 0 Gisli On 4/29/06, Paul Sladen