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Author Topic: BT ADSL2?  (Read 33720 times)

Ash888

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Re: BT ADSL2?
« Reply #45 on: June 05, 2009, 09:58:34 AM »

thanks kitz, looks like il have to find an xp computer from somewhere. as iv tried all those things.

i had a spare HDD lying around so i swapped it with my main vista drive, and installed xp, when it restarted i get an error,
error loading operating system.

at this point im thinking how many black cats have walked in front of me today, as nothing im trying is working. lol

i read its something to do with the master boot record, but i didnt go further into this as i dont want to mess anything up when i put my vista drive back in.
is the mbr on the drive itself or the MB.

the drive used to be for my music and video files but i replaced with a larger 1, so there was no operating system on it before i guess thats why there is no mbr?

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roseway

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Re: BT ADSL2?
« Reply #46 on: June 05, 2009, 10:13:18 AM »

The master boot record (MBR) is the first sector on the hard disk. When you installed XP it should have written its own boot code to the MBR in order to boot the OS, but it looks as though this didn't succeed for some reason.
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  Eric

Ash888

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Re: BT ADSL2?
« Reply #47 on: June 05, 2009, 10:47:23 AM »

what can i do to fix this?

i dont have a floppy drive, so cant boot from there using dos program.

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roseway

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Re: BT ADSL2?
« Reply #48 on: June 05, 2009, 11:12:10 AM »

At a guess I would say that the installer didn't mark the disk partition as bootable, and perhaps that's something which can be specified during the installation, but not being a Windows user I really don't know.
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  Eric

Ash888

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Re: BT ADSL2?
« Reply #49 on: June 05, 2009, 12:15:07 PM »

its ok guys i managed to sort it and flash the router.

just to let you know...
booted xp from cd, and let all the files load...
choose R to get into repair console mode.
choose the HDD eg.1/2 etc.
then type: FIXMBR
you get a warning message
type: Y to continue.

then go back and install xp and it worked.

then managed to flash the router. and install dg team firmware.

thanks for your help guys.

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kitz

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Re: BT ADSL2?
« Reply #50 on: June 05, 2009, 12:21:36 PM »

Quote
nstall xp and it worked.

then managed to flash the router. and install dg team firmware.

thanks for your help guys.


Youre welcome... glad that it worked :)
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Ash888

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Re: BT ADSL2?
« Reply #51 on: June 05, 2009, 06:02:53 PM »

sorry 1 more thing, do you know how to get the router stats from the netgear.
i can see the sync and uptime etc, but does it show error and loss stats?

telnet is a bit long, iv done it once, wandering if there is an easier way.


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roseway

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Re: BT ADSL2?
« Reply #52 on: June 05, 2009, 06:39:06 PM »

With the DGTeam firmware you should be able to get the extra information from the web interface. Under the Maintenance section select Diagnostics, then click the 'Display' button for the option "Display detailed ADSL driver informations".
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  Eric

Ash888

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Re: BT ADSL2?
« Reply #53 on: June 05, 2009, 08:35:03 PM »

ah thanks thats brilliant.
so many options didnt know where to look.
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Ash888

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Re: BT ADSL2?
« Reply #54 on: June 06, 2009, 08:09:11 AM »

guys, how come the netgear is able to hold a sync at low snr?
can a router really make that difference, i thought it was down to the actual line from the exchange to your home.

the bebox was giving a slightly higher sync but was not able to hold fastpath at 3db.

also, is there a reason why speed test done from a ps3 are faster than the ones i do on my pc? it can be a difference of 500 - 1000 more.
although the pings are higher.
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roseway

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Re: BT ADSL2?
« Reply #55 on: June 06, 2009, 10:01:39 AM »

Quote
guys, how come the netgear is able to hold a sync at low snr?

This has always been seen as one of the strengths of Netgear routers. The process of establishing a connection and holding onto it is very complicated - the complete ADSL signal is made up of many separate frequencies (called bins) and different numbers of bits of data assigned to each bin, depending on how much noise there is on each. Then, as signal conditions change over time, bits of data are swapped between bins as some of them get more noisy and some get less noisy. Eventually a point may be reached when there aren't enough usable bins to sustain the present connection speed with an acceptable error rate, and then the router re-syncs.

It just happens that Netgear routers seem to do all this rather well.

Quote
also, is there a reason why speed test done from a ps3 are faster than the ones i do on my pc?

This may be an MTU issue. See this and the associated pages.
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  Eric

Ash888

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Re: BT ADSL2?
« Reply #56 on: June 06, 2009, 12:42:08 PM »

well what ever its doing i hope it continues.

thanks for the explanation aswell.

as for the ps3, iv left the ps3 mtu as auto, and vista is 1500 as default i think.
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Ash888

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Re: BT ADSL2?
« Reply #57 on: June 06, 2009, 07:39:54 PM »

actually 1 more issue...lol

when playing on ps3 online with cod5. other players have serious lag problems when i am the host.
now i cant choose to be host or not, but when ever all players are in the lobby i always get picked to be the host.

i know its only me, as i asked me mates to invite me into a game after they had joined, that way a host would have already been chosen, this worked fine.
but the host left in the next game and guess who became the new host...  :angel:

iv contacted BE about it, they just told me to make sure i havent got any downloads on the line as that can slow things down. but when ever i use the ps3 i make sure everything else is off. he also suggested someone ping my ip to see if there were latency issues - which i havent been able to do.

upload noise is at 3 - 4.
i had ping response off, but have enabled it now and it still the same.

netgear stats as follows.

Status: ShowtimeRetrain Reason:   8000
Channel: FAST, Upstream rate = 1403 Kbps, Downstream rate = 20581 Kbps
Link Power State: L0
Mode:         ADSL2+
Channel:              Fast
Trellis:              U:ON /D:ON
Line Status:      No Defect
Training Status:   Showtime
      
                        Down      Up
SNR (dB):            2.9              3.6
Attn(dB):            26.0      14.3
Pwr(dBm):   18.4              12.4
Max(Kbps):   23410      1399
Rate (Kbps):   20581      1403
         G.dmt framing
K:      226(0)      40
R:      0      0
S:      1      1
D:      1      1
         ADSL2 framing
MSGc:      51      16
B:      225      39
M:      1      1
T:      3      3
R:      0      0
S:      0.3795      0.9785
L:      4764      327
D:      1      1
         Counters
SF:      1609579      1632085
SFErr:      4273      301
RS:      0      0
RSCorr:      0      0
RSUnCorr:   0      0

HEC:      1548      194
OCD:      0      0
LCD:      0      0
Total Cells:   1267568391      300509320
Data Cells:   6582275      5781385
Drop Cells:   0
Bit Errors:   0      15864

ES:      2743      252
SES:      6      1
UAS:      44      147
AS:      26115

INP:      0.00      0.00
PER:      16.22      16.14
delay:      0.09      0.24
OR:      28.10      10.90

Bitswap:   4980      98

Total time = 7 hours 16 min 17 sec
SF  = 1609579
CRC = 4273
LOS = 0
LOF = 0
ES  = 2743
Latest 1 day time = 7 hours 16 min 17 sec
SF  = 1609579
CRC = 4273
LOS = 0
LOF = 0
ES  = 2743
Latest 15 minutes time = 1 min 17 sec
SF  = 4760
CRC = 5
LOS = 0
LOF = 0
ES  = 5
Previous 15 minutes time = 15 min 0 sec
SF  = 55454
CRC = 107
LOS = 0
LOF = 0
ES  = 72
Previous 1 day time = 0 sec
SF  = 0
CRC = 0
LOS = 0
LOF = 0
ES  = 0
15 minutes interval [-30 min to -15 min] time = 15 min 0 sec
SF  = 55454
CRC = 132
LOS = 0
LOF = 0
ES  = 96
15 minutes interval [-45 min to -30 min] time = 15 min 0 sec
SF  = 55454
CRC = 156
LOS = 0
LOF = 0
ES  = 104
15 minutes interval [-60 min to -45 min] time = 15 min 0 sec
SF  = 55515
CRC = 159
LOS = 0
LOF = 0
ES  = 109
Showtime Drop Reason:   8000
Last Retrain Reason:   8000

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kitz

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Re: BT ADSL2?
« Reply #58 on: June 06, 2009, 07:51:54 PM »

Looking at your stats, youve had a few CRC's and errored seconds.

CRCs are when data packets have been dropped due to the signal being weak. During this period, things will be a bit slower as the datapacket has to be re-transmitted.
However the errors arent particularly high and overall shouldnt really be that noticeable.

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kitz

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Re: BT ADSL2?
« Reply #59 on: June 06, 2009, 08:03:20 PM »

Ive tried some tracerts and pinging you and your latency from here is pretty damn good. 

Although, one thing that has just occurred to me... of late Be have had some issues with latency on some of their peering... afaik they fixed most of them... but  I wonder if you go through one of the affected peer points when you host. 
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