SOYO SY-5SSM User's Manual & Technical Reference page 45

BIOS Setup Utility SY-5SSM & SY-5SSM/5 V1.1
3-1.4 Video
Select the video mode: EGA/VGA (Default), CGA 40, CGA 80,
Mono (Monochrome).
3-1.5 Halt On
When the BIOS detects system errors, this function will stop the
system. Select which type of error will cause the system halt: All
Errors (Default), No Errors, All But Diskette, All But Keyboard, All
But Disk/Key.
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