IBM Personal System/2
Models

IBM Personal System/2

Section Title: Models
Table Section Text: None

Year	IBM model number	Name	Processor	Bus	HD interface	Case	Notes

1987	8525-001	Model 25	8 MHz Intel 8086	ISA 8 bit	Desktop with integrated monochrome display	Single disk drive

1987	8525-004	Model 25	8 MHz Intel 8086	ISA 8 bit	Desktop with integrated color display	Single disk drive

1987	8525-G01	Model 25	8 MHz Intel 8086	ISA 8 bit	Desktop with integrated monochrome display	Single disk drive, enhanced keyboard

1987	8525-G04	Model 25	8 MHz Intel 8086	ISA 8 bit	Desktop with integrated color display	Single disk drive, enhanced keyboard

8525-101	Model 25	8 MHz Intel 8086	ISA 8 bit	Desktop with integrated monochrome display	Single disk drive

8525-104	Model 25	8 MHz Intel 8086	ISA 8 bit	Desktop with integrated color display	Single disk drive

1988	8525-L01	Model 25	8 MHz Intel 8086	ISA 8 bit	Desktop with integrated monochrome display	Single disk drive, token-ring network adapter

1988	8525-L04	Model 25	8 MHz Intel 8086	ISA 8 bit	Desktop with integrated color display	Single disk drive, token-ring network adapter

1987	8525-C02	Model 25 Collegiate	8 MHz Intel 8086	ISA 8 bit	Desktop with integrated monochrome display	Two disk drives

1987	8525-C05	Model 25 Collegiate	8 MHz Intel 8086	ISA 8 bit	Desktop with integrated color display	Two disk drives

1987	8525-K02	Model 25 Collegiate	8 MHz Intel 8086	ISA 8 bit	Desktop with integrated monochrome display	Two disk drives, enhanced keyboard

1987	8525-K05	Model 25 Collegiate	8 MHz Intel 8086	ISA 8 bit	Desktop with integrated color display	Two disk drives, enhanced keyboard

1990	8525-006	Model 25 286	10 MHz Intel 286	ISA 16 bit	Desktop with integrated color display	Single HD disk drive

1990	8525-036	Model 25 286	10 MHz Intel 286	ISA 16 bit	ST-506, 30 MB drive	Desktop with integrated color display	Single HD disk drive

1990	8525-G06	Model 25 286	10 MHz Intel 286	ISA 16 bit	Desktop with integrated color display	Single HD disk drive, enhanced keyboard

1990	8525-G36	Model 25 286	10 MHz Intel 286	ISA 16 bit	ST-506, 30 MB drive	Desktop with integrated color display	Single HD disk drive, enhanced keyboard

1992	8525-K00	Model 25 SX	16 MHz Intel 386 SX	ISA 16 bit	Desktop with integrated color display	Single HD disk drive

1992	8525-K01	Model 25 SX	16 MHz Intel 386 SX	ISA 16 bit	Desktop with integrated color display	Single HD disk drive, Ethernet network adapter

1992	8525-L02	Model 25 SX	16 MHz Intel 386 SX	ISA 16 bit	Desktop with integrated color display	Single HD disk drive, token-ring network adapter

1989	8530-001	Model 30	8 MHz Intel 8086	ISA 8 bit	Desktop	Single disk drive

1987	8530-002	Model 30	8 MHz Intel 8086	ISA 8 bit	Desktop	Two disk drives

1987	8530-021	Model 30	8 MHz Intel 8086	ISA 8 bit	WDI-325Q, 20 MB, ESDI	Desktop	Single disk drives

1988	8530-E01	Model 30 286	10 MHz Intel 286	ISA 16 bit	Desktop	Single HD disk drive

1988	8530-E21	Model 30 286	10 MHz Intel 286	ISA 16 bit	ESDI, 20 MB	Desktop	Single HD disk drive

1989	8530-E31	Model 30 286	10 MHz Intel 286	ISA 16 bit	ESDI, 30 MB	Desktop	Single HD disk drive

1991	8530-E41	Model 30 286	10 MHz Intel 286	ISA 16 bit	ESDI, 45 MB	Desktop	Single HD disk drive

1987	8530-R02	Model 30	8 MHz Intel 8086	ISA 8 bit	Desktop, intelligent financial workstation	Two disk drives, 4700 host support

1987	8530-R21	Model 30	8 MHz Intel 8086	ISA 8 bit	ST-506, 20 MB	Desktop, intelligent financial workstation	Single disk drives, 4700 host support

1988	8530-E0R	Model 30 286	10 MHz Intel 286	ISA 16 bit	Desktop, intelligent financial workstation	Single HD disk drive, 4700 host support

1988	8530-E2R	Model 30 286	10 MHz Intel 286	ISA 16 bit	ESDI, 20 MB	Desktop, intelligent financial workstation	Single HD disk drive, 4700 host support

1987	8550-021	50	Intel 80286	MCA 16 bit	ST-506, 20 MB with controller MCA adapter in slot 4	Desktop

1987	8560	60	Intel 80286	MCA 16 bit	MFM or ESDI	Tower

1987	8580	80	Intel 80386 DX	MCA 32 bit	MFM or ESDI	Tower

1988	8550-031, 8550-061	50 Z	Intel 80286	MCA 16 bit	ESDI directly attacted to MCA bus via interposer card in slot 4	Desktop

1988	8570	70	Intel 80386 DX	MCA 32 bit	Desktop

1989	8555	55 SX	Intel 80386 SX	MCA 16 bit	ESDI	Desktop

1989	8570	70	Intel 80386 DX, Intel 80486	MCA 32 bit	Desktop

1989	8573-031	P70 386	Intel 80386 DX	MCA 32 bit	Portable	2 MCA slots, one full length, one half length.

1990	8573	P75 486	Intel 80486	MCA 32 bit	SCSI	Portable	4 MCA slots, two full length, two half length.

1990	8580	80	Intel 80386 DX	MCA 32 bit	SCSI	Tower

1990	8556	56 SX	Intel 80386 SX	MCA 16 bit	Desktop

1990	8565	65 SX	Intel 80386 SX	MCA 16 bit	SCSI	Tower

1990	8590	90 XP 486	Intel 80486	MCA 32 bit	SCSI	Desktop

1990	8595	95 XP 486	Intel 80486	MCA 32 bit	SCSI	Tower

1991	8540	40 SX	Intel 80386 SX	ISA 16 bit	Desktop

1991	8557	57 SX	Intel 80386 SX	MCA 16 bit	SCSI	Desktop

1991	8570	70	Intel 80386 DX, Intel 80486	MCA 32 bit	Desktop

Sentence(s)