✅ Tested & Working – Gordon Gekko Holdings
OPTi 82C931 ISA Sound Card
Mid-90s ISA audio card. OPTi 82C931 chip. Line/mic jacks plus MIDI / game port.

Key Specifications
• Chipset: OPTi 82C931
• Board: OP931-3DIS R0.1
• Bus: 16-bit ISA
• Ports: Speaker / Line Out, Line In, Mic
• Extra: 15-pin MIDI / game port
• CD audio headers on-board
• Bracket: full-height

Condition
• Clean pulled card
• Gold ISA fingers intact
• Jacks and game port present
• Normal age wear

Perfect For
• 486 / Pentium ISA builds
• Windows 3.1 / 95 / 98 sound
• DOS games (OPTi / WSS class)
• Vintage PC repair

Why Buy From Me?
• Honest descriptions
• Fast shipping from Santa Monica, CA

What’s Included
• 1x OPTi 82C931 ISA sound card

Shipping: Anti-static bag and tracking. Same-day shipping if purchased before 4pm PST.

Message me if you need more photos or have questions.