Perhaps because it has com and lpt brackets?

tham , for those prices , I would sell my PCI 486 boards with PS2 xD

I have like 50 of those from various boards i used to have.

I was searching for a reference price to sell my Shuttle HOT 555, but when i saw that socket 7 boards that support multiple CPU types go for over 100$ i couldn't believe it.

I believe that there are two different types of sellers. The normal people that own some retro stuff and sell it, and others that do it for bussiness, getting recycled computers, and selling the hardware really expensive. There may be some cases when somebody uses a really old PC, and when his entire work is based on that, maybe he is willing to pay such an amount to get a piece of equipment needed so as not to change his system entirely, or maybe the programs he's using.

That i understand. But how can i base my price when the differences are so large, and they are getting bought?

I sell my things when i think i had enough tinkering around with them, i also bought them for a price and usually sell at the similar price.
Its kinda hard being a student with an active hobby and a girlfriend that lives further away 😁

Stojke wrote:

Why do some boards reach well over 100$ and others barely make it to 20$? There are not much differences between them. […]
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Why do some boards reach well over 100$ and others barely make it to 20$? There are not much differences between them.

Example:
http://www.ebay.com/itm/Pentium-Motherboard-S … =item2eae924d75
http://www.ebay.com/itm/FIC-VA-503-Socket-7-M … =item35c6566135

Actually, there can be a lot of difference between socket 7 boards. Early socket 7 boards were not made to support chips like the Cyrix and AMD that use oddball fsb and multiplier settings, so they tend to get less interest than late socket 7 boards. Whether or not a board is retail or OEM also plays a part in it because with OEM boards, your options are usually a lot more limited as to how far you can upgrade because the OEM BIOS locks out a lot of settings. Some sellers are also insane with their pricing.

I see, thought it was something like that.
Can you suggest a price for Shuttle HOT 555 rev 1.53?

I was thinking of asking 22 euro for it, i will give 16 megs of ram with it an an IBM P166+ .

Does it look like this?

http://stason.org/TULARC/pc/motherboards/S/SH … ml#.Uae3v9JwqSo

If that's it, then it looks like you're only going to be able to go as high as 200mhz from the specs and you probably want to go faster than that, right?

My problem with all this is that they are selling crap that hardly any of us would want at sky high prices and this is one more reason why I have no respect for the "Business" class. It is not work if you are making gains by deception and out right theft! Beyond that it is worse when it is something that does matter that is beyond our reach or without reason due to massive overpricing. Oh well I hope the stock market melts down hehehe.

Its not like that, its version 1.53 but it does go up to 200MHz.