INT 15 - newer PS/2IBM PS/2, any model; various BIOSes - GET CPU(Central Processing Unit) The microprocessor which executes programs on your computer. TYPE AND MASK REVISION AH = C9h AL = 10h (may be required on some non-PS BIOSes) Return: CF clear if successful AH = 00h CH = CPU(Central Processing Unit) The microprocessor which executes programs on your computer. type (see #00528) CL = mask revision (stepping level) (see #00529) CF set on error AH = status (80h,86h = function not supported) Notes: the 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. must save DX at startup in order to be able to support this call; PS/2IBM PS/2, any model Models 56, 57, 90, and 95 are known to support it the PS/2IBM PS/2, any model 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. merely reads CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. locations 190h (type) and 191h (rev) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. classifies this function as optional SeeAlso: AX=D100h,AX=DA92h,MEM 0040h:00BCh (Table 00528) Values for CPU(Central Processing Unit) The microprocessor which executes programs on your computer. type: 03h 80386DX or clone 04h 80486 05h Pentium 23h 80386SX or clone 33h Intel i376 43h 80386SL or clone A3h IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. 386SLC A4h IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. 486SLC (Table 00529) Values for stepping level: ---i376 (type code 33h)--- 05h A0 08h B ---80386/80386DX (type code 03h)--- 03h Intel B1 to B10, Am386DX/DXL step A 05h Intel D0 08h Intel D1/D2/E1, Am386DX/DXL step B ---80386SL (type code 43h)--- 05h A 1xh B ---80386SX (type code 23h)--- 04h Intel A0 05h Intel B, Am386SX/SXL step A1 08h Intel C/D1, Am386SX/SXL step B 09h Intel 386CX/386EX/386SXstatic step A ---80486DX (type code 04h)--- 00h Intel A0/A1 01h Intel B2 to B6 02h Intel C0 03h Intel C1 04h Intel D0 10h Intel cA2/cA3, Cx486SLC step A 11h Intel cB0/cB1 ---486DX2 (type code 04h)--- 02h Am486DX2 (unknown stepping) 32h Intel DX2/Overdrive steps A0 to A2 33h Intel DX2/Overdrive step B1 ---486SX (type code 04h)--- 20h Intel A0 22h Intel B0 27h Intel cA0 28h Intel cB0 ---486SL (type code 04h)--- 40h Intel A ---IntelSX2 (type code 04h)--- 5xh Intel A ---IntelDX4 (type code 04h)--- 8xh Intel A ---487SX (type code 04h)--- 20h Intel A0 21h Intel B0 ---Pentium (type code 05h)--- 0xh Intel P5 steps Ax (1993) 1xh Intel P5 steps Bx (1994) 2xh Intel P54C step A ---RapidCAD (type code 03h)--- 40h A