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Old 03-30-2009, 04:20 PM   #1
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SOLVED: USB SATA HD Docking Enclosure - AHDDU100F not recognized with Slackware 12.1

Anyone have an idea how to get this thing recognized?

It is probed by the usb modules during boot, but unlike other devices (flash drives, bluetooth, printer etc.) it returns error=-64 a few times and isn't identified as a harddrive. (There is a drive in the enclosure and the drive functions normally under Windows XP).

It's pretty new hardware, so I was wondering if I needed to compile a newer kernel hoping that someone has written support for the thing in usb-storage or usb-ohci or usb-ehci or whatever the thing is...

Here's the manufacturer:

I'm not at the machine right now, so if anyone wants to see the exact failure I'll have to post later. No rush

Last edited by mostlyharmless; 04-04-2009 at 07:02 PM. Reason: SOLVED
Old 04-04-2009, 06:39 PM   #2
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Ok, so I verified the device is recognized by Knoppix 5.3.1, which uses an older kernel, slightly, than Slackware 12.1. According to Knoppix, it seems to be recognized with the sl811-hcd module.

Oddly enough, I found this compiled in
and manually loaded sl811-hcd.ko and sl811_cs.ko with insmod.

For good measure I then did udevadm control --reload_rules
Still nothing, but the thing finally showed up when I turned the power of the external drive on and off. (which hadn't worked before)
Well, then it was the same as any other hotplug event, with the partitions recognized as /dev/sda1 and /dev/sda2 and with lsusb showing:

Bus 003 Device 004: ID 04fc:0c25 Sunplus Technology Co., Ltd
Guess I'll try adding those modules to my initrd and see if the thing is recognized at boot.

Since I only know half of what the heck I'm doing, any input/comments would be helpful. If not, hope this helps someone else out.

[Edit SOLVED] all I needed to do was add sl811-hcd.ko to my initrd.

Last edited by mostlyharmless; 04-04-2009 at 07:01 PM. Reason: SOLVED



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