The chip on the board is the culprit. You should receive any of the following errors when you try and shut down or restart Windows 98.
MSGSRV32.EXE caused a general protection fault in module CM8330SB.DRV, EXPLORER caused a general protection fault in module CM8330SB.DRV or MSGSRV32.EXE: An error has occurred in your program. To keep working anyway, click ignore and save your work in a new file. To quit this program, click Close. You will lose information you entered since your last save. When you receive either of these error messages, your computer stops responding or hangs.
These error messages occur because the MB uses a sound card based on the C-Media CMI8330 sound chip, or a modem that also uses the C-Media CMI8330 sound chip. This sound chip is used as the basis for several sound cards, and is also used with some modems.
To resolve this, contact the manufacturer of your sound card or modem to obtain an updated driver. You can also contact the manufacturer of the chip and try the C-Media Windows 98 sound card driver version 4.10.00.0152 or later available on the following C-Media Web site:
Follow the links on this site to the drivers.
Here's a possible work around on this issue:
1. Restart your computer in Safe mode. To do so, restart your computer, press and hold down the CTRL key until you see the Windows 98 Startup menu, and then choose Safe Mode.
2. Click Start, point to Settings, click Control Panel, and then double-click System.
3. Click the Device Manager tab.
4. Double-click the Sound, Video And Game Controllers branch to expand it.
5. Click your sound card, and then click Properties.
6. On the Drivers tab, click Driver File Details. Check to see that you are using the Cm8330sb.drv driver.
7. On the General tab, click to select the Disable In This Hardware Profile check box.
8. Click OK, and then click Close.
9. Restart your computer normally