Sound Blaster Pro 1 versions \ VOGONS

Sound Blaster Pro 1 versions

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First post, by Amigaz

Posted on 2011-04-07, 19:57

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I recently picked up a 2nd Sound Blaster Pro 1 CT1330A and noticed it was different than my other card which is an older revision.

Here's the two cards:

The card (bottom card) I recently got is a later revision:

This is my older card's revision #:

I wonder what these patch wires are on my older rev card?:

No patch wires on the later rev. card:

And interestingly enough the older rev card has a full set of contact "fingers":

While the never rev. card has less contact fingers like the Sb Pro 2 has:

Was wondering what revisions you guys own and how they look? 😀

My retro computer stuff: https://lychee.jjserver.net/#16136303902327

Reply 1 of 8, by Paddan1000

Posted on 2011-04-07, 21:02

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I've got revision 3, so my card is the most senior one so far.
It's got the lower patch wire of your rev 4, but not the upper one. It has the same amount of contact fingers as your rev 6 card.
Otherwise, I can't see anything different.

Reply 2 of 8, by Mau1wurf1977

Posted on 2011-04-07, 21:26

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6 revisions? That's quite cool to be honest.

Especially considering the SB Pro 1 wasn't around that long...

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Reply 3 of 8, by Great Hierophant

Posted on 2011-04-08, 01:41

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My revision 3 has soldered OPL chips (all four), full contact fingers and an extra cap soldered directly to the legs of U25.

http://nerdlypleasures.blogspot.com/ - Nerdly Pleasures - My Retro Gaming, Computing & Tech Blog

Reply 4 of 8, by swaaye

Posted on 2011-04-08, 16:47

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6 revisions is quite a few. I'd like to see rev1 if rev4 still has wire workarounds. 🤣 And the loss of the extra slot fingers is surely cost reduction.

I wonder if SBPro 2 was originally just another revision but they decided the changes were big enough to somewhat rename it.

Reply 5 of 8, by Amigaz

Posted on 2011-04-08, 18:40

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swaaye wrote:
6 revisions is quite a few. I'd like to see rev1 if rev4 still has wire workarounds. 🤣 And the loss of the extra slot fingers is surely cost reduction.

I wonder if SBPro 2 was originally just another revision but they decided the changes were big enough to somewhat rename it.

Looks like the extra "fingers" go to traces on the card

My retro computer stuff: https://lychee.jjserver.net/#16136303902327