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Connectors CN1 and CN2 from sound blaster CT4820

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First post, by conradoz

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Hey guys, I have this sound card, sound blaster CT 4820.

What are these two connectores from the right of the photo? These names are CN1 and CN2. What can I connect to these two connectors?
I can't get a pinout from these two connectors.

Thanks a lot.

Pentium 3 450Mhz
Asus P3B-F v.1.03
NVidia FX5500 256MB 128bit
1GB SDRAM RAM
Sound Blaster AWE 64 ISA
80GB Hard Disk
Windows 98 | Windows XP

Reply 2 of 3, by conradoz

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Shponglefan wrote on Today, 13:11:

That's a model 4520, not 4820.

There is a jumper manual on Retro Web that lists all the connectors: https://theretroweb.com/expansioncard/documen … ation/54570.pdf

OK, but this manual says just "Feature connector CN1" so what can I connect to it?

Pentium 3 450Mhz
Asus P3B-F v.1.03
NVidia FX5500 256MB 128bit
1GB SDRAM RAM
Sound Blaster AWE 64 ISA
80GB Hard Disk
Windows 98 | Windows XP

Reply 3 of 3, by igna78

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The card in photo is an AWE64 and the connectors CN1/CN2 are used in pairs and are used to connect memory expansion for the AWE64.

Creative made memory expansion in various sizes and charged a premium for it (for the AWE32, they used common 72-pin RAM sockets, which were non-proprietary and therefore less profitable for Creative).

Today, with a SIMCONN, you can use common 72-pin RAM to expand the memory of your AWE64 (up to a maximum of 28 MB using a 32 MB stick).

Look on Vogons for more info 😉

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