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slow usb under etch



My pendrive transfers files at ~1MB/s under my home sarge system, but
only ~100KB/s under my work etch. Its usb 1.1, but 100KB/s is slow
even for 1.1.
How do I get 1MB/s under etch?
thanks!



etch kernel is 2.6.16-2-k7 driving a athlon xp 2400+

sarge kernel is 2.6.8-2-k7 driving a sempron64 3400+.

work's etch lsmod:

bruno@cestudos:~$ lsmod
Module                  Size  Used by
nls_cp437               5696  1
vfat                   11648  1
fat                    47068  1 vfat
usb_storage            70144  1
isofs                  32896  1
ipv6                  218912  12
ppdev                   8324  0
lp                     10496  0
autofs4                16836  0
nls_iso8859_1           4032  3
ntfs                  193804  1
ext2                   57160  1
mbcache                 7684  1 ext2
dm_snapshot            15388  0
dm_mirror              17460  0
dm_mod                 48180  2 dm_snapshot,dm_mirror
sd_mod                 16464  1
scsi_mod              122700  2 usb_storage,sd_mod
snd_seq_dummy           3588  0
snd_seq_oss            27812  0
snd_seq_midi            8096  0
snd_seq_midi_event      6592  2 snd_seq_oss,snd_seq_midi
snd_seq                43852  6
snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_via82xx            25240  1
snd_ac97_codec         82848  1 snd_via82xx
snd_ac97_bus            2112  1 snd_ac97_codec
snd_pcm_oss            44128  0
snd_mixer_oss          15744  1 snd_pcm_oss
snd_pcm                74504  3 snd_via82xx,snd_ac97_codec,snd_pcm_oss
snd_timer              20420  2 snd_seq,snd_pcm
snd_page_alloc          9864  2 snd_via82xx,snd_pcm
snd_mpu401_uart         6656  1 snd_via82xx
snd_rawmidi            22496  2 snd_seq_midi,snd_mpu401_uart
snd_seq_device          8332  5
snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq,snd_rawmidi
snd                    46400  13
snd_seq_oss,snd_seq,snd_via82xx,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer,snd_mpu401_uart,snd_rawmidi,snd_seq_device
shpchp                 39424  0
i2c_viapro              7956  0
i2c_core               19536  1 i2c_viapro
pci_hotplug            24308  1 shpchp
parport_pc             31728  1
parport                32008  3 ppdev,lp,parport_pc
analog                  9888  0
ns558                   4484  0
via_ircc               23252  0
floppy                 55916  0
irda                  161596  1 via_ircc
via_agp                 9408  1
agpgart                29296  1 via_agp
crc_ccitt               2048  1 irda
soundcore               8736  1 snd
gameport               13576  4 snd_via82xx,analog,ns558
psmouse                34504  0
serio_raw               6532  0
tsdev                   7296  0
mousedev               10496  1
evdev                   8832  1
rtc                    11444  0
pcspkr                  3012  0
reiserfs              218096  1
usbhid                 32416  0
ide_cd                 35680  1
cdrom                  32240  1 ide_cd
ide_disk               14720  5
generic                 4228  0 [permanent]
via82cxxx               8068  0 [permanent]
ide_core              111536  5 usb_storage,ide_cd,ide_disk,generic,via82cxxx
3c59x                  40104  0
mii                     5248  1 3c59x
ehci_hcd               26952  0
uhci_hcd               26896  0
usbcore               111136  5 usb_storage,usbhid,ehci_hcd,uhci_hcd
thermal                13064  0
processor              21760  1 thermal
fan                     4548  0



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