Sound Blaster AWE32 not detected - IO address \ VOGONS

Sound Blaster AWE32 not detected - IO address

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First post, by Jinxter

Posted on 2021-06-04, 14:11

Jinxter Offline

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My SB AWE 32 - CT3780 is not detected.
Have tried with:
Diagnostic.exe
Test-SBP.exe
OPCLONE
Unisound

Averybody says that same thing - IO address not detected, or not not detected at IO address.
When using an SB16, AWE32 (CT3670) they are all detected. So i am ruling out the PC itself.
I have tried setting the jumpers to all possible IO addresses.
I have disabled the onboard CD-ROM interface.
I have measured the Voltage Regulators - they seams fine.

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Reply 1 of 7, by BloodyCactus

Posted on 2021-06-04, 14:26

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did you use CTCM to configure the card? its the most "trustworthy" official way.

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Reply 2 of 7, by Tiido

Posted on 2021-06-04, 14:27

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That dent on the oscillator could be the reason. Chances are EMU8000 is misbehaving when it is receiving no clock and causing rest to misbehave too. The Oscillator is 45.158400MHz (44100 * 1024), it shouldn't be difficult to find a compatible replacement since it is a standard frequency.

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Reply 3 of 7, by Jinxter

Posted on 2021-06-04, 14:38

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BloodyCactus wrote on 2021-06-04, 14:26:

did you use CTCM to configure the card? its the most "trustworthy" official way.

CTCM just gives the the dos prompt - no messages.
CTCU does not detect any pnp or legacy cards.

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Reply 4 of 7, by BloodyCactus

Posted on 2021-06-04, 16:28

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Jinxter wrote on 2021-06-04, 14:38:

CTCU does not detect any pnp or legacy cards.

that to me is a huge red flag then

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Reply 5 of 7, by Tempus

Posted on 2021-06-04, 19:27

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Should CTCU detect AWE32 or any legacy cards in the first place? Shouldn't it just detect plug & play compatible cards?

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Reply 6 of 7, by mkarcher

Posted on 2021-06-04, 21:35

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Tempus wrote on 2021-06-04, 19:27:

Should CTCU detect AWE32 or any legacy cards in the first place? Shouldn't it just detect plug & play compatible cards?

Yes, you are right. CTCU will only auto-detect ISA PnP cards and mainboard resources, if there is a PNPBIOS compatible mainboard BIOS installed. You can manually add legacy cards, so CTCM gets to know which resources are unavailable for plug-and-play cards.

The CT3780 is no PnP card, so you don't need CTCM/CTCU. It should have a base address jumper to choose between 220 and 240. Sometimes, 240 conflicts with mainboard resources, but you want your soundblaster on 220 anyway. You might want to check the jumpered base address.

Reply 7 of 7, by BloodyCactus

Posted on 2021-06-05, 02:55

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doh! I didnt realise ISO0+ISO1 were the io address. I thought it was pnp 🙁 my bad.

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