INT 10 - Chips & Technologies Extended 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. - RETURN CHIP INFORMATION
AX = 5F00h
Return: AL = 5Fh function supported
BL = chip type (see #00176)
BH = video memory size (see #00177)
CX = miscellaneous information (see #00178)
SeeAlso: AX=5F01h
Bitfields for Chips&Technologies chip type:
Bit(s) Description (Table 00176)
7-4 chip type
0000: 82c451
0001: 82c452 / 82c452A
0010: 82c455
0011: 82c453
0100: 82c450
0101: 82c456
0110: 82c457
0111: F65520
1000: F65530 / F65525
1001: F66510
1010: ???
1011: F64300 "Wingine DGX"
1100: F65535/F65545 ???
1101: F65540
1110: ???
1111: ???
3-0 revision number
SeeAlso: #00177
(Table 00177)
Values for Chips&Technologies video memory size:
00h 256KB
01h 512KB
02h 1MB
03h 2MB
SeeAlso: #00176
Bitfields for Chips&Technologies miscellaneous information:
Bit(s) Description (Table 00178)
0 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. size (0=6-bit, 1=8-bit)
1 system type (0=PCIBM PC/ATIBM PC AT, 1=PS/2IBM PS/2, any model)
2 extended text modes supported by 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.
3 reserved
4 extended graphics modes supported by 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.
5 reserved
6 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. supports graphics cursor
7 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. supports anti-aliased font
8 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. supports pre-programmed emulation
9 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. supports auto emulation
10 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. supports variable mode set at cold boot
11 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. supports variable mode set on warm boot
12 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. supports emulation mode set at cold boot
13 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. supports emulation mode set on warm boot
14-15 reserved