INT 15 U - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Flash ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. - GET BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. SUBSYSTEM INFORMATION AX = DB01h CL = BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. subsystem information identifier (see #00545) Return: CF clear if successful AX = 0000h ES:DI -> 56-byte record describing subsystem (see #00546) CF set on error AH = status 01h nonexistent subsystem 86h function not supported AL = 00h Note: used by FMUP.EXE, Intel's Flash Memory Update utility SeeAlso: AX=DB00h,AX=DB02h (Table 00545) Values for AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. subsystem identifier: 00h recovery code 01h system BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. 02h PCI configuration data 03h OEM(Original Equipment Manufacturer) a company which purchases components that are resold as part of its own products under the company's own brand name, e.g. a Gateway 2000-branded monitor may actually be a Mag or NEC monitor. logo data area (see #00547) 04h system BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly./Language Set (one system) configuration utility (another system) SeeAlso: #00546 Format of AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. subsystem information: Offset Size Description (Table 00546) 00h BYTE subsystem identifier/logical area type (see #00545) 01h DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. subsystem (FlashROM page) size in bytes 05h BYTE flag: loadable from file (FFh=yes) 06h BYTE flag: reboot after update (FFh=yes) 07h BYTE flag: update entire image (FFh=yes) 08h 24 BYTEs subsystem/logical area name 20h BYTE subsystem identifier??? 21h BYTE flag: reprogrammable if FFh 22h BYTE ??? (01h,02h seen) 23h 5 BYTEs ??? (apparently always 00h) 28h 16 BYTEs BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. reserved string (usually version number) SeeAlso: #00544 Format of AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. OEM(Original Equipment Manufacturer) a company which purchases components that are resold as part of its own products under the company's own brand name, e.g. a Gateway 2000-branded monitor may actually be a Mag or NEC monitor. Logo data area: Offset Size Description (Table 00547) 00h 8 BYTEs signature "TEXTLOGO" if text-mode OEM(Original Equipment Manufacturer) a company which purchases components that are resold as part of its own products under the company's own brand name, e.g. a Gateway 2000-branded monitor may actually be a Mag or NEC monitor. logo 8 DUP (FFh) if unused 08h WORD offset of logo font definition table 0Ah WORD offset of logo data 0Ch WORD size of logo font table in words 0Eh WORD offset of upper left corner of logo in video page 10h WORD width of logo 12h WORD height of logo 14h BYTE reserved??? var var logo font definition (16 bytes per character) var var logo data as character/attribute pairs Note: the attribute for the logo characters specifies which font will be used for that character. If bit 3 is cleared, the normal system font is used; if bit 3 is set, the logo font is used, with screen colors adjusted to match the corresponding non-bright attribute for the system font SeeAlso: #00545,#00546