back2root:ibm-pc-ms-dos:hardware:informations:machine-id

Machine Identification Byte

Model	Sub-Model	Machine
FF	??	Original IBM PC 4/24/81
	??	IBM PC 10/19/81
	??	IBM PC 10/27/82
FE	??	IBM XT (Original)
	??	IBM portable PC
	??	Compaq DeskPro
FD	??	PCjr
FC	??	IBM AT (6 MHz)
	01	IBM AT 3×9 (8 MHz)
	02	IBM XT 286
	04	IBM PS/2 Model 50
	05	IBM PS/2 Model 60
	0B	IBM PS/1
FB	00	IBM 256/640K XT (aka XT/2)
FA	00	IBM PS/2 Model 30
	01	IBM PS/2 Model 25
F9	00	IBM PC Convertible
F8	00	IBM PS/2 Model 80 (16 MHz)
	01	IBM PS/2 Model 80 (20 MHz)
	04	IBM PS/2 Model 70 (20 MHz)
	09	IBM PS/2 Model 70 (16 MHz)
B6	??	Hewlett Packard 110
9A	??	Compaq Plus
86		XT (BIOS 11/82+) & AT (BIOS 1/84+) (see note)
80		PC & PCjr (see note)
2D	??	Compaq PC

Notes

found at memory location F000:FFFE or via INT 15,C0
model values of 80 & 86 are returned by BIOS versions previous to the PS/2 but after the BIOS dates marked

back2root/ibm-pc-ms-dos/hardware/informations/machine-id.txt · Dernière modification : 2023/01/16 17:54 de frater