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EISA expansion board

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fish93s

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Mar 29, 2013
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Hi all. I have an IBM motherboard with a single EISA slot. I found an expansion board with 2 PCI and 3 ISA slots. In the back of this card there is an AT connector (like those of motherboard power), but I don't know which connector attack (p8, p9, p10). Thank all for any replies.
I put a picture to understand better.
Excuse me if I'm wrong section
Sorry for my bad english.
EISA expansion slot.jpg
 
The expansion board you have is not EISA. It's PISA - a standard common in many industrial PCs. They are not compatible.
 
Isn't that just a riser card (with slots on the other side)? I think he just wants to know which of the power connectors to install on it (P8, P9, P10).

P8/P9 generally go to the motherboard, P10 must be the one you need (but you should get the manual for the computer and check before you blow something up).
 
Unknown_K said:
Isn't that just a riser card (with slots on the other side)? I think he just wants to know which of the power connectors to install on it (P8, P9, P10).

P8/P9 generally go to the motherboard, P10 must be the one you need (but you should get the manual for the computer and check before you blow something up).
Click to expand...
I agree with everything you said in this post.
 
eeguru said:
The expansion board you have is not EISA. It's PISA - a standard common in many industrial PCs. They are not compatible.
Click to expand...

How can I know if this is a EISA or a PISA connector? They are equal!


And yes, I want to know which connector is the right connector for the power supply.
And yes, in the other side of the board there are 3 ISA slot and 2 PCI slot.
And I haven't the manual. I write the card code on google but I haven't found any information on power supply connector.
The card is (maybe) made by PSC but I search this brand and I haven't found it.
the codes in the board are: EC NO D73882 P/N: 12H0843.


If you want more photos or other information, please tell me and I will do everything possible.

Thanks for the replies.
 
That part number looked like an IBM part, did a simple google search and it looks like it belong to an IBM PC 330
I assume you have the whole computer so you have to know what the brand/model it is?

IBM has decent manuals:

ftp://ftp.oldskool.org/pub/IBM_PC_BBS/commercial_desktop/s30h1721.pdf

Page 43 of the PDF (28 of the manual) shows that the 6 pin connector for the riser card is just 3.3VDC on pin 4,5,6, and 1,2,3 are ground. The normal PC plugs have 5VDC and 12VCD but no 3.3VDC. The wire color codes on the 6 pin plug for the riser card should give it away.
 
Unknown_K said:
That part number looked like an IBM part, did a simple google search and it looks like it belong to an IBM PC 330
I assume you have the whole computer so you have to know what the brand/model it is?

IBM has decent manuals:

ftp://ftp.oldskool.org/pub/IBM_PC_BBS/commercial_desktop/s30h1721.pdf

Page 43 of the PDF (28 of the manual) shows that the 6 pin connector for the riser card is just 3.3VDC on pin 4,5,6, and 1,2,3 are ground. The normal PC plugs have 5VDC and 12VCD but no 3.3VDC. The wire color codes on the 6 pin plug for the riser card should give it away.
Click to expand...

Ok thanks a lot for the manual. Yes I have an IBM pc 330 p1 75.
 
eeguru said:
Your riser is obviously PISA as it has PCI slots....They are incompatible standards and pin-outs using the same connector.

http://us.kontron.com/_etc/scripts/download/getdownload.php?downloadId=NDE4Ng==
Click to expand...

Agreed.

Weather its PISA or some proprietary IBM riser card, it is NOT, I repeat NOT, EISA, you will probably fry your system board and the EISA card if you attempt to plug an EISA card into that PISA/Riser slot on the motherboard.

As for the power connector, if its not used, and the PC in question's power supply doesn't have a spare plug to mate with that, its probably not needed for that model machine, they tend to re-use riser cards among several models/families, so it just may be that your model's motherboard feeds the required power into the PISA/Riser card WITHOUT needing that power connector.
 
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