hi

i have a knoppix 3.7 live cd and a kingston data traveller usb flash drive.
when i boot knoppix in my home machine and plug in the usb drive it detects it normally

but when i boot kinoppix from a computer in my university and try to plug the same usb drive it does not detect it. but the usb drive works fine when i load windows xp in the same computer (in this particular machine windows detects my usb but kinoppix doesnt but in my home computer both kinoppix and win xp detects the usb ).

anyways in when i do lsmod|more i can see the usb-storage module has been loaded
but in the fstab will there were no entry for the usb device so i typed

/dev/sda1 /mnt/sda1 vfat noauto,users,exec,umask=000,uid=kinoppix,gid=kinop pix 0 0
and made a mounting piont on mnt as sda1
and try to mount the device (sda1) it produces an error something similar to "sda1 is not a correct block device"

given below are the lsmod,lspci,fstab and mtab files

lsmod file
____________________________________
Module Size Used by Not tainted
i830 69536 1
agpgart 42724 11 (autoclean)
autofs4 8756 1
af_packet 13544 0 (autoclean)
i810_audio 25048 1
ac97_codec 11916 0 [i810_audio]
soundcore 3428 2 [i810_audio]
e100 51064 1
serial 52100 0 (autoclean)
mousedev 3832 1
hid 22564 0 (unused)
input 3168 0 [mousedev hid]
pcmcia_core 39840 0
thermal 6724 0 (unused)
processor 9008 0 [thermal]
fan 1600 0 (unused)
button 2700 0 (unused)
battery 5952 0
ac 1824 0
rtc 7036 0 (autoclean)
cloop 8740 2
ieee1394 183076 0
usb-storage 61760 0 (unused)
usb-uhci 21644 0 (unused)
usbcore 57600 1 [hid usb-storage usb-uhci]
ataraid 6180 0
ide-scsi 8816 1
____________________________________________

lspci file
________________________________________________

0000:00:00.0 Host bridge: Intel Corp. 82845G/GL[Brookdale-G]/GE/PE DRAM Controller/Host-Hub Interface (rev 01)
0000:00:02.0 VGA compatible controller: Intel Corp. 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device (rev 01)
0000:00:1d.0 USB Controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 (rev 01)
0000:00:1d.1 USB Controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2 (rev 01)
0000:00:1d.2 USB Controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3 (rev 01)
0000:00:1d.7 USB Controller: Intel Corp. 82801DB/DBM (ICH4/ICH4-M) USB 2.0 EHCI Controller (rev 01)
0000:00:1e.0 PCI bridge: Intel Corp. 82801 PCI Bridge (rev 81)
0000:00:1f.0 ISA bridge: Intel Corp. 82801DB/DBL (ICH4/ICH4-L) LPC Bridge (rev01)
0000:00:1f.1 IDE interface: Intel Corp. 82801DB/DBL (ICH4/ICH4-L) UltraATA-100IDE Controller (rev 01)
0000:00:1f.3 SMBus: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) SMBus Controller (rev 01)
0000:00:1f.5 Multimedia audio controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 01)
0000:02:08.0 Ethernet controller: Intel Corp. 82801BD PRO/100 VE (LOM) Ethernet Controller (rev 81)
0000:00:00.0 Host bridge: Intel Corp. 82845G/GL[Brookdale-G]/GE/PE DRAM Controller/Host-Hub Interface (rev 01)
0000:00:02.0 VGA compatible controller: Intel Corp. 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device (rev 01)
0000:00:1d.0 USB Controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 (rev 01)
0000:00:1d.1 USB Controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2 (rev 01)
0000:00:1d.2 USB Controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3 (rev 01)
0000:00:1d.7 USB Controller: Intel Corp. 82801DB/DBM (ICH4/ICH4-M) USB 2.0 EHCI Controller (rev 01)
0000:00:1e.0 PCI bridge: Intel Corp. 82801 PCI Bridge (rev 81)
0000:00:1f.0 ISA bridge: Intel Corp. 82801DB/DBL (ICH4/ICH4-L) LPC Bridge (rev01)
0000:00:1f.1 IDE interface: Intel Corp. 82801DB/DBL (ICH4/ICH4-L) UltraATA-100IDE Controller (rev 01)
0000:00:1f.3 SMBus: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) SMBus Controller (rev 01)
0000:00:1f.5 Multimedia audio controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 01)
0000:02:08.0 Ethernet controller: Intel Corp. 82801BD PRO/100 VE (LOM) Ethernet Controller (rev 81)
__________________________________________________ __________________

this is th fstab file
__________________________________________________ ___________________

/proc /proc proc defaults 0 0
/sys /sys sysfs noauto 0 0
/dev/pts /dev/pts devpts mode=0622 0 0
/dev/fd0 /mnt/auto/floppy auto user,noauto,exec,umask=000 0 0
/dev/cdrom /mnt/auto/cdrom auto user,noauto,exec,ro 0 0
# Added by KNOPPIX
/dev/hda1 /mnt/hda1 ntfs noauto,users,exec,ro,umask=000,uid=knoppix,gid=kno ppix
0 0
# Added by KNOPPIX
/dev/hda3 /mnt/hda3 ext3 noauto,users,exec 0 0
# Added by KNOPPIX
/dev/hda4 none swap defaults 0 0
# Added by KNOPPIX
/dev/hda5 /mnt/hda5 ntfs noauto,users,exec,ro,umask=000,uid=knoppix,gid=kno ppix
0 0
/proc /proc proc defaults 0 0
/sys /sys sysfs noauto 0 0
/dev/pts /dev/pts devpts mode=0622 0 0
/dev/fd0 /mnt/auto/floppy auto user,noauto,exec,umask=000 0 0
/dev/cdrom /mnt/auto/cdrom auto user,noauto,exec,ro 0 0
# Added by KNOPPIX
/dev/hda1 /mnt/hda1 ntfs noauto,users,exec,ro,umask=000,uid=knoppix,gid=kno ppix
0 0
# Added by KNOPPIX
/dev/hda3 /mnt/hda3 ext3 noauto,users,exec 0 0
# Added by KNOPPIX
/dev/hda4 none swap defaults 0 0
# Added by KNOPPIX
/dev/hda5 /mnt/hda5 ntfs noauto,users,exec,ro,umask=000,uid=knoppix,gid=kno ppix
0 0
---------------------------------------------------------------------------------------------------
mtab file
__________________________________________________ _________________
/dev/root / ext2 rw 0 0
/dev/scd0 /cdrom iso9660 ro 0 0
/dev/cloop /KNOPPIX iso9660 ro 0 0
/ramdisk /ramdisk tmpfs rw,size=192348k 0 0
/proc/bus/usb /proc/bus/usb usbdevfs rw,devmode=0666 0 0
automount(pid521) /mnt/auto autofs rw,fd=4,pgrp=521,minproto=2,maxproto=4 0 0
/dev/hda5 /mnt/hda5 ntfs ro,nosuid,nodev,umask=000,uid=1000,gid=1000 0 0
/dev/hda1 /mnt/hda1 ntfs ro,nosuid,nodev,umask=000,uid=1000,gid=1000 0 0
/dev/hda3 /mnt/hda3 ext3 ro,nosuid,nodev 0 0
-------------------------------------------------------------------------------------------------------

any reason for this situation
and how can i get over this


thankz