🧰 Tools & Equipment Required
PCI / PCIe Sound Card
Phillips Screwdriver (#2)
Anti-Static Wrist Strap
Headphones / Speakers (3.5mm)
Driver Package / Disk
Compressed Air Can
🗺️ Alignment & Insertion Diagram
🎨 PC 99 Audio Port Color Guide
Lime: Speaker / Line-Out
Blue: Line-In
Pink: Mic Input
Orange: Subwoofer
⚙️ Step-by-Step Procedure
- Preparation: Shutdown system, unplug power cord, attach ESD strap, and open side panel.
- Slot Prep: Locate an available PCIe x1 slot and remove the rear chassis slot cover.
- Installation: Align the card notch with the slot partition and press vertically with even pressure until seated. Secure with screw.
- Connections: Reassemble panel, connect headphones to Lime Green port, and reconnect power.
- Driver Setup: Boot Windows, open Device Manager (`devmgmt.msc`), locate the device under "Other Devices", and install drivers.
- Testing: Open Control Panel Sound (`mmsys.cpl`), set Sound Card as Default Device, and click Test.
📝 Trainee Observation Sheet
| Check Parameter | Pre-Install | Post-Install |
|---|---|---|
| Bus Interface Slot | Free PCIe x1 Slot | Card Mounted & Screwed |
| Device Manager Status | Yellow Exclamation Mark / None | Recognized Sound Controller |
| Audio Output Test | No Audio Output | Clean Stereo Signal Recorded |
🔍 Quick Troubleshooting
| Fault | Cause | Solution |
|---|---|---|
| No Audio | Wrong jack or onboard BIOS conflict | Plug into Lime Green port; disable onboard audio in BIOS. |
| Not Detected | Dirty contacts or loose seating | Reseat card firmly; clean edge contacts with eraser. |
| Code 28 Error | Missing driver | Reinstall manufacturer device driver software. |