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HMO / MRV speed question . . .



 
 
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  #1  
Old January 21st 04, 04:54 PM
Eric J. Holtman
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Default HMO / MRV speed question . . .

I have two Tivos at home, set up with HMO/MRV.

One is directly wired to my network, with a USB2.0
dongle. The other is currently using a Linksys
802.11b adapter.

It takes about 1.5x show time to transfer a show
at "Best" quality (i.e. an hour CSI takes about
100 minutes to transfer.

Will I gain anything by trying any of the following
approaches:

1) disable WEP on the wireless adapter (I *really*
don't want to do this, although maybe I could make
my wireless access point allow *only* the Tivo's MAC
to be that way).

2) Get a 802.11g adapter for the Tivo. Now, none
may be supported, but I could use the same USB2.0
thingie I have for the wired one, and run that right
to a wireless bridge.

3) Run a 100Mb jack to the currently wireless one (I
hate to have to do this, you'd think a 'g' wireless
network would be fast enough.)

What's the maximum throughput anyone else has achieved
out there? Is anyone using wireless 'g'?


Any thoughts?


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  #2  
Old January 21st 04, 10:02 PM
Joseph Jozwik
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Default

802.11G should speed things up a bit. wired 100 would be even faster
wep shouldnt slow it down


"Eric J. Holtman" wrote in message
.15...
I have two Tivos at home, set up with HMO/MRV.

One is directly wired to my network, with a USB2.0
dongle. The other is currently using a Linksys
802.11b adapter.

It takes about 1.5x show time to transfer a show
at "Best" quality (i.e. an hour CSI takes about
100 minutes to transfer.

Will I gain anything by trying any of the following
approaches:

1) disable WEP on the wireless adapter (I *really*
don't want to do this, although maybe I could make
my wireless access point allow *only* the Tivo's MAC
to be that way).

2) Get a 802.11g adapter for the Tivo. Now, none
may be supported, but I could use the same USB2.0
thingie I have for the wired one, and run that right
to a wireless bridge.

3) Run a 100Mb jack to the currently wireless one (I
hate to have to do this, you'd think a 'g' wireless
network would be fast enough.)

What's the maximum throughput anyone else has achieved
out there? Is anyone using wireless 'g'?


Any thoughts?



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  #3  
Old January 21st 04, 10:46 PM
Chief_Wiggum
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Default

802.11g won't do much for you.

the limitation is USB. Though you say you have a USB2.0 dongle TiVo only
utilizes USB1.1 at the moment. USB1.1 has a max throughput of 12mb/s,
although the real transfer rate is usually quite a bit less.

Therefore it dosn't matter if you get the data to the dongle at 54mb/s it
will still have to funnel through at something less than 12.

802.11b is pretty closely matched throughput wise, although you may gain a
tiny bit of improvement by going wired, or with the 54g, but it won't be
monumental.

Now, if TiVo enables USB2.0 THEN you could get up to Replay-like transfer
speeds !


"Joseph Jozwik" wrote in message
...
802.11G should speed things up a bit. wired 100 would be even faster
wep shouldnt slow it down


"Eric J. Holtman" wrote in message
.15...
I have two Tivos at home, set up with HMO/MRV.

One is directly wired to my network, with a USB2.0
dongle. The other is currently using a Linksys
802.11b adapter.

It takes about 1.5x show time to transfer a show
at "Best" quality (i.e. an hour CSI takes about
100 minutes to transfer.

Will I gain anything by trying any of the following
approaches:

1) disable WEP on the wireless adapter (I *really*
don't want to do this, although maybe I could make
my wireless access point allow *only* the Tivo's MAC
to be that way).

2) Get a 802.11g adapter for the Tivo. Now, none
may be supported, but I could use the same USB2.0
thingie I have for the wired one, and run that right
to a wireless bridge.

3) Run a 100Mb jack to the currently wireless one (I
hate to have to do this, you'd think a 'g' wireless
network would be fast enough.)

What's the maximum throughput anyone else has achieved
out there? Is anyone using wireless 'g'?


Any thoughts?




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___
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  #4  
Old January 22nd 04, 03:21 PM
Eric J. Holtman
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Posts: n/a
Default

"Chief_Wiggum" wrote in
news:[email protected]:

802.11g won't do much for you.

the limitation is USB. Though you say you have a USB2.0 dongle TiVo
only utilizes USB1.1 at the moment. USB1.1 has a max throughput of
12mb/s, although the real transfer rate is usually quite a bit less.


The reason I thought I might want to try 'g' is that although
'b' is supposedly 11Mb/s, I have WEP turned on, which cuts it
in half, and you never really get 11Mb to start with anyway.

I figured if I did 'g', and only got half of that (say ~20Mb),
then I cut that in half for WEP, I'd be around 10, or maxing
out the USB 1.1.


Any idea if/when Tivo will be doing USB 2.0? Does it
matter that the box in question is a Toshiba SD-H400,
i.e. one of the bleeding edge ones?


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