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problem with LAN card

Posted on 2001-06-24
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Last Modified: 2010-04-27
My PC has 1 LAN card installed and work properly, after I inserted 1 more LAN card to the mainboard, it can't reboot and even can't load BIOS (it can't carry out memory test and the PC halted at the screen just showing the CPU's speed) and of course can't load OS(win2k pro) too. When I remove 1 of the LAN cards from the main board, everything work properly. How can I install both 2 cards in my PC?

Mainboard: MP-7VIP
BIOS : Award Modular BIOS v6.00PG
LAN card : Realtek RTL8139(A) PCI Fast Ethernet Adapter
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Question by:kengary
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9 Comments
 
LVL 13

Expert Comment

by:wlennon
ID: 6222686
kengary, all you need it one.  Choose the faster or newer of the two, preferable 10/00 etherfast.

Your problem is for the card in figured to the Lan's soft ware.  Two cards, two sets of software.  If you are using ISDN, Vable , or DSL them one of the cards need to be configured to that modem in the Network.

Have you Network settings set to "Client for Microsoft Networks"  then look at you cards confg. and choose nothing but DHCP if you use Cable.

wlennon

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by:jhance
ID: 6222777
It's certainly possible to have more than one LAN card but unless you are using something other than Windows 9X/ME, it's pretty useless.

Anyway, your problem is that you have a hardware CONFLICT between the two cards.  Fix the conflict so that they do not use the same I/O address, DMA, and IRQ line and you'll be OK.  For best results use PCI cards with PnP rather than manually configured ISA cards.
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by:magarity
ID: 6223023
I'll bet that this person is trying to use Win9x's 'internet connection sharing' with a DSL or cable connection, in which case 2 NICs are not completely useless.  There are other ways to share those, but two NICs is perfectly viable (and really inexpensive) provided that this hardware conflict can get cleared up.

Perhaps kengary can get back to us with a description of why two are needed and what models they are?

regards,
magarity
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Expert Comment

by:jb852
ID: 6223105
what are you trying to do with both nic cards with computer?? if you are running any version windows microsoft doesnt support the use of single ip bound to two cards 3com makes cards you can do this with(up to 4cards)(so you could essentially have (400Mbps) this with but you have to have there 3rd party software
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by:BigFitz
ID: 6229950
magarity's right--we need MUCHO more info to be able to help, first and foremost, WHY?  Then, what type of cards are the two--both ISA, both PCI, one of each, who made them, what type of system/make and model mainboard, etc...until we can get you past BIOS, we won't worry about configuring the OS and/or networking settings--jhance is right, you have a hardware conflict locking up the BIOS but we have nowhere near enough info here....Fitz
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by:kiranghag
ID: 6297782
the realtek card has configuration utility at the site http://www.realtek.com.tw
download them and configure the cards to use free irq as it seems the main conflict.


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Expert Comment

by:ComTech
ID: 6370839
This question will come to an end in 5 days or so.  Please come back an provide some input kengary.  After that time period, the queston will be up for deletion or PAQ.

ComTech
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by:kiranghag
ID: 6371244
assuming the realtek card is installed first...use the configuration utility or the os to set its irq to something else than current. make sure it works . then install the new card. the new card seems to assume some resources by default. and if you can get around those this way, machine can boot. be sure that the second card is working though. this can be ssured by puting it alone in the system. do this and check what settings it ssumes. these seetings are not be used for the other (realtek) card.
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Accepted Solution

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ComTech earned 0 total points
ID: 6393827
There is still no definitive answer, and would not without more information.

This question will be removed.

ComTech
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