Acer Veriton 7500G Veriton 3500G/5500G/7500G Service Guide - Page 49

Parameter Drive A Drive B Video Halt On Base Memory Extended Memory Total Memory Description Allows you to configure your floppy drive A. Allows you to configure your floppy drive B. This item specifies the type of video card in use. The default setting is VGA/EGA. Since current PCs use VGA only, this function is almost useless and may be disregarded in the future. This parameter enables you to control the system stops in case of Power-on self-test (POST) errors. Refers to the portion of memory that is available to standard DOS programs. DOS systems have an address space of 1 MB, but the top 384 KB (called high memory) is reserved for system use. This leaves 640 KB of conventional memory. Everything above 1 MB is either extended or expanded memory. Memory above and beyond the standard 1 MB (megabyte) of base memory that DOS supports. Extended memory is only available in PCs with an Intel 80286 or later microprocessor. Extended memory is not configured in any special manner and is therefore unavailable to most DOS programs. However, MS Windows and OS/2 can use extended memory. Total base, and extended memory, and I/O ROM 384KB available to the system. Options 1.44 MB, 3.5-inch None 360 KB, 5.25-inch 1.2 MB, 5.25-inch 720 KB, 3.5-inch 2.88 MB, 3.5-inch None 360 KB, 5.25-inch 1.2 MB, 5.25-inch 720 KB, 3.5-inch 1.44 MB, 3.5-inch 2.88 MB, 3.5-inch EGA/VGA CGA40 CGA80 Mono All, But Keyboard All Errors No Errors All, But Diskette All, But Disk/Key Chapter 2 39