Asus Attansic onboard lan problem

mpoirier · 04-29-2007, 01:03 PM

Hello,

I am experiencing a problem with the lan chip (Attansic 10/100/1000) on my new ASUS motherboad (P5B-E).

It will not connect to the network at 100, only at 10... When I try 100, the card momentarily connects at 100 then constantly tries to connect at 1000 !?!

I tried all the possible settings for "Media Type" in the card configuration. I also tried a few cables.

I have a few other computers on the network, all working at 100. Previous motherboard (P5LD-2) also worked fine at 100.

Any idea ?

Thanks !

johnwill · 04-29-2007, 05:55 PM

What does Asus tech support say? I never heard of that particular chip...

mpoirier · 04-29-2007, 06:08 PM

Gee, I never actually considered sending such a request to ASUS ?!?

I thought I would have a better chance here !

Sorry...

Michel

BrianH2 · 10-19-2007, 11:47 AM

Thanks for the response to the private message I sent to you.
I'll share my thoughts here too for the benefit of others...

I have the same problem with my new Asus P5K-V with the 'Attansic'
motherboard Ethernet chipset.

... I'm thinking that it must be a hardware
problem - I believe that the LED that indicates the network
speed should come on even without an operating system or
driver loaded!

My belief is based on a test that I just performed. I booted with
a non-windows floppy disk (MEMTEST86) so there are certainly
NO drivers loaded for the LAN.

A cheapie 10/100 PCI LAN card that I installed has a 100Mbps LED
that comes on immediately when connected to the router.

If I plug the same cable into the motherboard LAN connector - no LED.

When booted into windows XP the same applies - PCI ethernet card
works at 100Mbps, but the Motherboard LAN runs only at 10
even though the Attansic driver is installed, and the device manager
says it's working fine.

I don't currently have any 1GB equipment so I couldn't test that.

A similar test on a DELL PC at work shows that the LAN speed LEDs come
on even while the PC is in the process of booting!

A google search found another with the same problem on the Asus forum

User: Roni45
http://vip.asus.com/forum/view.aspx?...Language=en-us

BrianH2 · 10-20-2007, 12:46 AM

AH HAH !

I have finally discovered the cause of the problem!

Apparently there is a subtle incompatibility with my router.

The router is a Netgear RT314 - It's rather old, but it DOES
support 10/100 so it SHOULD work, but it doesn't.

I made two tests that confirmed my solution.

Test #1: I plugged the ASUS's LAN connector directly into
another PC with a crossover cable and the 100 Mbps LED
came on immediately. Note that you don't really need a
crossover cable since the newer LAN ports are auto sensing.
I tried a straight through cable and it worked too.

Test #2 I plugged the ASUS's LAN connector into a cheap
Belkin network switch and it also caused the 100 Mbps LED to
come on immediately.

None of the tests involved a Gigabit connection, but I'm happy to
get the 100 Mbps connection for now

mpoirier · 10-21-2007, 05:43 AM

My router is a LinkSys BEFSR41 and supports 100Mb no problem with all the other computers... (?)

I will check for an firmware update for the router maybe ?

BrianH2 · 10-21-2007, 01:24 PM

My Netgear RT314 router works at 100Mpbs with all my other PCs and ReplayTV, but The combintation of Asus P5kV and Netgear RT314 is a bust!

Its at least 5 or 6 years old. I updated the the Router firmware to the latest 3.25 a while ago, and it appears that this is still the latest version - and since the router is 'EOL' (End of Life) I don't expect any updates.

Oh well - out it goes - I'm just happy that I have a solution.

04-29-2007, 01:03 PM	#1 (permalink)
mpoirier Registered User Join Date: Apr 2007 Posts: 3 OS: WinXP	Asus Attansic onboard lan problem Hello, I am experiencing a problem with the lan chip (Attansic 10/100/1000) on my new ASUS motherboad (P5B-E). It will not connect to the network at 100, only at 10... When I try 100, the card momentarily connects at 100 then constantly tries to connect at 1000 !?! I tried all the possible settings for "Media Type" in the card configuration. I also tried a few cables. I have a few other computers on the network, all working at 100. Previous motherboard (P5LD-2) also worked fine at 100. Any idea ? Thanks !

04-29-2007, 05:55 PM	#2 (permalink)
johnwill Manager, Networking Forums Join Date: Sep 2002 Location: S.E. Pennsylvania, US Posts: 32,581 OS: XP-Pro, Vista, Linux Blog Entries: 1	Re: Asus Attansic onboard lan problem What does Asus tech support say? I never heard of that particular chip... __________________ If TSF has helped you, Tell us about it! or Donate to help keep the site up! Microsoft MVP - Windows Desktop Experience

04-29-2007, 06:08 PM	#3 (permalink)
mpoirier Registered User Join Date: Apr 2007 Posts: 3 OS: WinXP	Re: Asus Attansic onboard lan problem Gee, I never actually considered sending such a request to ASUS ?!? I thought I would have a better chance here ! Sorry... Michel

10-19-2007, 11:47 AM	#4 (permalink)
BrianH2 Registered User Join Date: Oct 2007 Posts: 3 OS: xp-sp2	Re: Asus Attansic onboard lan problem Thanks for the response to the private message I sent to you. I'll share my thoughts here too for the benefit of others... I have the same problem with my new Asus P5K-V with the 'Attansic' motherboard Ethernet chipset. ... I'm thinking that it must be a hardware problem - I believe that the LED that indicates the network speed should come on even without an operating system or driver loaded! My belief is based on a test that I just performed. I booted with a non-windows floppy disk (MEMTEST86) so there are certainly NO drivers loaded for the LAN. A cheapie 10/100 PCI LAN card that I installed has a 100Mbps LED that comes on immediately when connected to the router. If I plug the same cable into the motherboard LAN connector - no LED. When booted into windows XP the same applies - PCI ethernet card works at 100Mbps, but the Motherboard LAN runs only at 10 even though the Attansic driver is installed, and the device manager says it's working fine. I don't currently have any 1GB equipment so I couldn't test that. A similar test on a DELL PC at work shows that the LAN speed LEDs come on even while the PC is in the process of booting! A google search found another with the same problem on the Asus forum User: Roni45 http://vip.asus.com/forum/view.aspx?...Language=en-us

10-20-2007, 12:46 AM	#5 (permalink)
BrianH2 Registered User Join Date: Oct 2007 Posts: 3 OS: xp-sp2	Re: Asus Attansic onboard lan problem AH HAH ! I have finally discovered the cause of the problem! Apparently there is a subtle incompatibility with my router. The router is a Netgear RT314 - It's rather old, but it DOES support 10/100 so it SHOULD work, but it doesn't. I made two tests that confirmed my solution. Test #1: I plugged the ASUS's LAN connector directly into another PC with a crossover cable and the 100 Mbps LED came on immediately. Note that you don't really need a crossover cable since the newer LAN ports are auto sensing. I tried a straight through cable and it worked too. Test #2 I plugged the ASUS's LAN connector into a cheap Belkin network switch and it also caused the 100 Mbps LED to come on immediately. None of the tests involved a Gigabit connection, but I'm happy to get the 100 Mbps connection for now

10-21-2007, 05:43 AM	#6 (permalink)
mpoirier Registered User Join Date: Apr 2007 Posts: 3 OS: WinXP	Re: Asus Attansic onboard lan problem My router is a LinkSys BEFSR41 and supports 100Mb no problem with all the other computers... (?) I will check for an firmware update for the router maybe ?

10-21-2007, 01:24 PM	#7 (permalink)
BrianH2 Registered User Join Date: Oct 2007 Posts: 3 OS: xp-sp2	Re: Asus Attansic onboard lan problem My Netgear RT314 router works at 100Mpbs with all my other PCs and ReplayTV, but The combintation of Asus P5kV and Netgear RT314 is a bust! Its at least 5 or 6 years old. I updated the the Router firmware to the latest 3.25 a while ago, and it appears that this is still the latest version - and since the router is 'EOL' (End of Life) I don't expect any updates. Oh well - out it goes - I'm just happy that I have a solution.