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Friday, December 31st, 2004

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determining usb port speeds from within linux?
I have two trusty old HP "e-PC" machines (tiny, almost thin-client looking desktops run by 866MHz celery power) and I'm trying to determine what speed their USB ports might be able to do.

They are configured headless at the moment, so I don't have quick access to their BIOS screens (that was my first thought). I'm thinking of attaching an external drive to one and for my intended use, USB 1.X speeds would be somewhat inadequate while USB 2.0 speeds would be dandy. I'm guessing the machines can only do USB 1.X due to their age, but I'm not sure, and before attempting to navigate the unusable HP website I thought I'd see if there were a way to just "ask Linux" this question.

I happen to be running Fedora Core 2 on one and RHEL 3 on the other (recent kernels on each) if that makes any difference. The first two things I thought of trying for more information about this were:

[khyron@zor khyron]$ dmesg | grep usb
usbcore: registered new driver usbfs
usbcore: registered new driver hub
usbcore: registered new driver hiddev
usbcore: registered new driver usbhid
drivers/usb/input/hid-core.c: v2.0:USB HID core driver

[khyron@zor khyron]$ cat /proc/bus/usb/devices 
T:  Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=12  MxCh= 2
B:  Alloc=  0/900 us ( 0%), #Int=  0, #Iso=  0
D:  Ver= 1.10 Cls=09(hub  ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=0000 ProdID=0000 Rev= 2.06
S:  Manufacturer=Linux 2.6.8-1.521 uhci_hcd
S:  Product=UHCI Host Controller
S:  SerialNumber=0000:00:1f.2
C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr=  0mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
E:  Ad=81(I) Atr=03(Int.) MxPS=   2 Ivl=255ms

Can anyone help me decipher this? Am I barking up the right tree or should I be looking elsewhere? I'm not sure whether it's telling me I have USB v1.1 ports, or whether I need to have a device connected that speaks USB v2.0 in order to really tell, or what...

Thanks in advance!
Hi all! I'm rather new to Linux, and am trying to find out how to access files on my Nokia 7610 mobile phone (Symbian OS) with Slackware 10. I do not have a Bluetooth adaptor, but I do have a USB cable. All the information I've been able to find so far involves Bluetooth.
KernelTrap Oxfam
Hey all. It's the last day of KernelTrap's donation-matching for the Oxfam disaster relief fund. They have promised to match the donations made by readers for the first $250 donations, and have already had $172.5 (including $7.50 from me, the always cheap geek-slash-philosophy-student). If anyone of you are considering giving some money to help with the disaster in Asia, why not drop by the nice people at KernelTrap and give them your support.
music apps
Could anyone recommend some music applications in the vein of ACID or Reason? I don't need a ton of effects and plugins, I just want to transfer some four track tapes over to CD and I only need to do just a tiny bit of editing and arranging during the process.
Argh. Can't install anyhting
I can't say I've ever been this frustrated with anyhting computer related in my life.

I just got my new system set up. I'm dual booting Windows XP and Linux on 2 hard drives (that's the idea anyway). The windows install, once I put in my new non-broken motherboard, went flawlessly. And I cannot, for the life of me, make any linux distros load. Not a single one. CentOS loaded almost OK, except that the net connection suddenly doed and couldn't be repaired. Ubuntu was about the same, only it also didn't recognize my video card, so I had to graphical interface either. Fedora Core 3, which i've used to load in the past, died in the middle, citing fatal errors loading MySQL. Fedora 4, well, I've burned it twoce to no effect. Once I was trying to load the 64 bit version and once the 32 bit version. they both died durring install.

To make matters worse, my display has gone wobbely. i think maybe it's time to put my old video card back in, but that's not going to solve the problems I had with the FC3 install, I think, nor will it probasbly help with the root of the problems, whatever that is.

Here's a hardware Configuration. I can see nothign wrong with it, esspecially for FC4. Anyone see a problem?

ABit AX8 motherboard
AMD Athalon 64 bit processor (2.4 G), venice core
2 GB corsair value select ram
Radeon X700 pro video card
2 western digital hard drives (120GB and 160GB - the 120 has windows on it)
on board lan

Anyone? Thoughts?


After replacing my new video card with an old (ye olde PCI) video card and adding a PCI lan card I got Ubuntu to load. Thank goodness for Ubuntu.

So my options are: try to find some FC4 disks that will load because obviously mine aren't doing it, or just leave this on here. I've heard it said that you can basically turn Ubuntu into a fully flavored and excellent debian-like distro using deb packages. Can anyone point me to some info on makng that happen so i can choose?

Man this has been a rough night.

Current Mood: frustrated

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