Karl Hiramoto ha scritto:
But your report is about problems with Win drivers. Does it happen in
Linux too? If not, then it's not an issue, since the host is running
Linux (kernel 2.6.8 at least).
I don't think so, but i haven't tried that hub chip in quite a while.
Anyone else have had experiences with it?
I can't comment on 2.6.8 except that it's really old, and a lot of
changes since then.
Well, 2.6.8 is a lower limit. I'll probably use a .22 or .23 .
I would suggest buying some off the shelf hubs from a consumer
electronics store and try them out. It will end up being a lot cheaper
than building your own board if that's what your doing.
Well, I need to handle groups of devices w/ nonstandard connectors, so
using a chip mounted on the backplane should be cheaper, and I can
select WHICH chip to use (OTS products often change chip between a batches).
In my experience though, the best hub chips have one TT per port.
And ISB1521 only have one.
So the SMSC USB2507 should be better.
What's more important to consider when choosing the hub chip for a
system w/ 6 downstram ports connected to USB 1.1 full speed devices and
a single USB2.0 downstream port connected to another hub?
Tks,
Diego.
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