Epson Apex 386SX/16 Canadian Product User Manual - Page 96
System, Error, Messages
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5-3 System BIOS Error Messages ROM BIOS Checksum Error - Indicates an invalid ROM BIOS failure. 8254 Error - Indicates a 8254 timer controller failure. 8237 Error - Indicates a 8237 DMA controller failure. 74612 Error - Indicates a 74612 page register failure. 8259 Error - Indicates a 8259 interrupt controller failure. 8742 Error - Indicates a 8742 controller failure. Check Battery - Indicates a system backup battery disconnection or power loss. RTC Checksum Error - Indicates that the system memory refresh function does not work. Refresh lndicator Error - Indicates that the system memory refresh does not work. Base 64K Memory Error - Indicates that the system's first 64K memory does not work. FDC Error User Check - Indicates that the floppy diskette controller does not work. FDD Seek Failure - Indicates a failure of the floppy diskette drive "seek operation. 6 Chapter 5: Troubleshooting