Question about Tyan Tiger MPX S2466N-4M Motherboard

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Tyan tiger mpx (S2466N-4M) weird boot problem

When i first put this computer together this is what i have

2 amd mp palomino 1800+
tyan tiger mpx board
2 gigs ecc pc2100 ram
seagate hard drive
two dvdrw drives
500 watt antec psu
antec case and a creative audigy paltinum pro soundcard

the computer works splendidly.....when i get it to boot......yeah have to keep pressing the power source on and off sometimes to get it to boot, so i also changed that three times....still the same effect. i am using slackware 12.1, its not flaky so that tells me it isnt an incompatiblity problem i also forgot to mention i have a ati firegl t2128 agp card as well
andy ideas what is causing this flaky start up problem? help

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  • alexfuentes Dec 23, 2008

    got the same issue, after a long period of the computer being off, it takes a few boots to get it starting. on top of this issue i can only get 1 of the long pci to work. none of the normal pci or integrated pci 3com 920 work. They come up in windows as if there wasnt enough free resources. i've tried with the motherboard, ram, and video and still cant find any free resources. I've even disable usb, serials, paralell, floppy disk drive and secondary ide just to try. any ideas?

  • Anonymous Dec 26, 2008

    another bit of info, after getting totally annoyed with the motherboard i've plugged a pci car in every slot, and now nothing gets recognized. it detects hardware been plugged, but when installing the software can never find the right "software" or drivers for it. Even tho i've downloaded the right drivers and everything. I've even reinstalled the OS and reflashed the bios. Any ideas?



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Probably the board is bad or the board is grounded out on the chassis edge somewhere or possibly the mounting screws...

recommendation.. pull the system out of the chassis

test the power and board on a sheet of cardboard...

also try one stick of memory only and set the options for full ecc scrubbing on to test the memory correctly

Posted on Sep 28, 2009


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I get one long beep followed by 2 short beeps.

Depending on what bios you have the problem is either your video card or the ram. On most bios's the is a video issue but on the odd one it is a dma access error ie memory.

You need to check your video card. If you have a spare one or can borrow one then swap it and see if it boots. It could be a few things but basically either a faulty video card or slot.

DMA access could mean the mother board has a problem or the video card or even ram.

This isn't a very common error but is usually the video card.

Oct 02, 2011 | Tyan Tiger MPX S2466 Motherboard

1 Answer

Nothing coming up on the monitor

This is very difficult to troubleshoot because there are too many unknowns.
Does the mobo have diagnostic LEDs? The changes in indicators would indicate the boot up activity is taking place. If you have no visual indicators, then
You might have to get a boot up code display. This is a device that connects to the bus (via pci / pcie slot in most cases) and has a digital readout. When the mobo stops on a certain code, you will have to lookup the code to determine where it's getting stuck.
If you have no access to a diagnostic card, then some of the other very "elementary" things you can do are:
Listen for the beep code. If the speaker doesn't beep at all, then your CPU is likely not running the POST test. Check your power on LED. Check your HDD LED to see if any disk activity (hdd detection) takes place.
Other than that, you're SOL without some equipment.
Good luck!

Jun 06, 2010 | Tyan Tiger MPX S2466N-4M Motherboard

1 Answer

I have a tiger mpx s2466n-4m. pc won't post.recognizes memory but wont go past bios and video shadowing? any help thanks! Just installed 2 AMD MP2600+ processors(wouldn't show any bios info)then went back...

Hello sir, hi, as I see it, your problem, can be anywhere in the PC, but I do suggest you test first these 5 parts on a separate PC, by swapping. Here are the possible 5 faults:
  1. Memory, even though is passes the counting on the bios, does the counting completes? i mean if your PC memory is 256 MB, it should count up to 256 MB.
  2. Processors, just make sure both are fine.
  3. VGA graphics card.
  4. Power supply box.
  5. Motherboard itself. To check this part, make sure all parts on the top 4 are good.
If all are considered tested and good. you may need to check other parts. So check for:
  • connections,
  • loose seating of video cards,
  • shorted or bad faulty DVD/hard disk drive,
  • plugged in USB devices, just remove them all.
  • reversed IDE cable, (the old one can be installed reversed)
The troubleshooting of your PC really takes time, But i do consider the motherboard to be the faulty one. Thats why we need to test everything before we consider the motherboard be the culprit.

Nov 22, 2009 | Tyan Tiger MPX S2466N-4M Motherboard

1 Answer

Possable failing bios or dead mobo

The Tyan MP boards do not support legacy USB. You have to use a PS/2 keyboard to get into the bios. If possible, I would clear the cmos by popping the battery out or finding the jumper to clear it. Then try to access bios again from ps/2 keyboard.

These boards also have compatibility problems with many video cards. Check Tyan's website for a list of supported cards if you are not using onboard video.

As long as the heatsinks are properly mounted on the CPUs with thermal compound, the fans are operating normally, and air is flowing through the system, the chasis that you run these boards in shouldn't matter.

If all fails, try removing pci devices, external peripherals and drives one at a time to try to eliminate possible causes.

Video card reference:
MB Manual:

May 01, 2009 | Computers & Internet

1 Answer

Need a schematic for this motherboard tyan tiger 133 (1834)

I found the information that you are looking for and you will find it here: This page on Tyan's Web site will provide you with a color image of the mother board (with slots labeled) along with the specs for the board. I hope this is exactly what you need.

Thanks for using Fixya and please rate my solution.


Mar 27, 2009 | Tyan Tiger 133 S1834 Motherboard

2 Answers

Can't boot bios

This is common after doing a BIOS upgrade. It usually means that the bios was successful, but that the motherboard is just now recognizing that it has a new bios. In other words, it's seeing that the new bios is not the same as the old one you had before, and is giving you a warning that it's changed. You can usually go into the bios, and clear all messages. This should make it go away. 
Post your specific motherboard, and i'll see if I can get you more info.

Sep 16, 2008 | ASUS AMD 760 MP Chipset A7M266-D...

1 Answer

How to upgrade

Here is the list of compatible processors for your motherboard:

AMD Athlon 650, 700, 750, 800, 850, 900, 950, 1.0G, 1.1G, 1.2G, 1.3G, 1.33G, 1.4G (Thunderbird)
AMD Athlon MP 1.0G, 1.2G, 1500+, 1600+, 1800+, 1900+, 2000+, 2100+ (Palomino)
AMD Athlon MP 2000+, 2200+, 2400+, 2600+ (Thoroughbred)
AMD Athlon MP 2800+ (Barton)
AMD Athlon XP 1500+, 1600+, 1700+, 1800+, 1900+, 2000+, 2100+ (Palomino)
AMD Athlon XP 1600+, 1700+, 1800+, 1900+, 2000+, 2100+, 2200+, 2400+, 2600+, 2700+, 2800+ (Thoroughbred)
AMD Athlon XP 2500+, 2600+, 2800+, 3000+, 3200+ (Barton)
AMD Athlon XP 2000+, 2200+, 2400+ (Thorton)
AMD Sempron 2200+, 2300+, 2400+, 2500+, 2600+, 2800+ (Thoroughbred)
AMD Sempron 2200+, 2400+, 2500+, 2600+, 2800+ (Thorton)
AMD Sempron 3000+ (Barton)
AMD Duron 600, 650, 700, 750, 800, 850, 900, 950 (Spitfire)
AMD Duron 1.0G, 1.1G, 1.2G, 1.3G (Morgan)
AMD Duron 1.4G, 1.6G, 1.8G (Applebred)
You motherboard uses a "Socket A" CPU and therefore has limits to how high you can go.. I would recommend the XP 2200 or 2400+ as a good choice, but you can make your own choice.

Apr 03, 2008 | AMD Duron , 750 MHz Processor

1 Answer

Manual to tyan s239001


Try This link to Tyan Archive Files.
I think your board will be here.
Trinity KT Manual under Socket 462/A ( AMD Athlon/MP/Duron )

Mike @ Compurepair.

Mar 12, 2008 | Tyan Thunder n6650W Motherboard

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