INT 15 u - IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. 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. - SMART ENERGY SYSTEM - GET ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. STARTUP VIDEO REG TABLES AX = 2302h BL = data index (00h-0Dh) (see #00459) Return: ES:BX -> table for register (see #00460,#00461) CX = size of table in bytes (may be 0000h) Note: IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. classifies this function as optional SeeAlso: AX=2300h,AX=2301h,AX=2303h (Table 00459) Values for PSIBM PS/2, any model/1 ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. startup video register tables: 00h DAC(Digital-to-Analog Converter) A hardware device (in its simplest form, nothing more than a set of interconnected resistors) which converts a digital number into an analog signal whose voltage is proportional to the value of the digital number. VGAVideo Graphics Array and later color video boards use DACs to convert color values into the analog signals sent to the display; sound boards normally use DACs as well. registers 01h ??? 02h Palette registers 03h-0Dh ??? Format of PSIBM PS/2, any model/1 ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. startup DAC(Digital-to-Analog Converter) A hardware device (in its simplest form, nothing more than a set of interconnected resistors) which converts a digital number into an analog signal whose voltage is proportional to the value of the digital number. VGAVideo Graphics Array and later color video boards use DACs to convert color values into the analog signals sent to the display; sound boards normally use DACs as well. register table: Offset Size Description (Table 00460) 00h WORD number of DAC(Digital-to-Analog Converter) A hardware device (in its simplest form, nothing more than a set of interconnected resistors) which converts a digital number into an analog signal whose voltage is proportional to the value of the digital number. VGAVideo Graphics Array and later color video boards use DACs to convert color values into the analog signals sent to the display; sound boards normally use DACs as well. registers in table 02h var array of 3-byte DAC(Digital-to-Analog Converter) A hardware device (in its simplest form, nothing more than a set of interconnected resistors) which converts a digital number into an analog signal whose voltage is proportional to the value of the digital number. VGAVideo Graphics Array and later color video boards use DACs to convert color values into the analog signals sent to the display; sound boards normally use DACs as well. register values, starting at register 00h SeeAlso: #00459 Format of PSIBM PS/2, any model/1 ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. startup Palette register table: Offset Size Description (Table 00461) 00h 16 BYTEs colors for palette registers 00h through 0Fh 10h BYTE border color SeeAlso: #00459,#00018