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IBM Personal System/2 Model 80 386 (8580-A16)

Type 8580-A16
Serial 55-BPPML
Manufacturer IBM United Kingdom Ltd.
FCC ID ANO9SA8580-111
Date November 1990

Physical description

Type Floor-standing
Dimensions (HxWxD) 597 x 166 (318 incl. feet) x 483 mm
Weight 23.6 Kg (8580-041)
Drive bays 2 x 3.5" half-height, 2 x 5.25" full height (1 internal)
Power supply 242 W 110-220VAC auto sense, auto-restart (902420)

Main board

BIOS IBM, Feb. 15, 1990 (128 Kb, sticker 30/10/90), planar id FFF9
Processor Intel 80386-25 MHz (32-bit), PGA
Coprocessor Intel 80387-25 MHz, PGA ADDITION
Cache 64 Kb
Cache controller Intel 82385
Memory 2 sockets for 80ns DRAM cards, parity checked (PS/2 8580 proprietary type)
Max on system board 8 Mb (2 x 4 Mb)
Max. using adapter cards 16 Mb
Bus Micro Channel (MCA) 16/32-bit
Expansion slots 4 x 32-bit and 4 x 16-bit (2 w. video ext.), 7 available
Interface FDD (3.5", 720 Kb or 1.44 Mb)
Video Integrated 16-bit VGA display adapter (256 Kb, max. 320x200, 256 colours or 640x480, 16 colours)
Ports PS/2 keyboard, PS/2 mouse, serial (UART 16550A), parallel, VGA


Installed RAM 2 x 4 Mb 80ns on planar, see below for memory card
Controller IBM PS/2 32-bit SCSI adapter (id 8EFE, stickers 3/8/90)
Memory IBM 32-bit 2-8 Mb 80386 expansion option (id FDDE, 0892A) w. 4 x 2 Mb 85ns RAM SIMMs (68X6127) ADDITION
Display Infotronic AGC/MCA TIGA (TMS34010-60 MHz) adapter (id CFCF, chip 9037) ADDITION


Diskette drive 1.44 Mb, 3.5" half -height (Alps DFP723, 90-39)
Hard disk Type WDS-3160 (160 Mb) SCSI, 3.5" half-height
2nd Hard disk Type DSAS-3360 (364 Mb) SCSI, 3.5" slim (chip 9441) ADDITION


Acquisition Jan. 2001, gift, was in a deposit of dismissed appliances
Condition Very good, working (setup needed)
Installed sw IBM OS/2 2.1 (Italian), hardly booting
Repairs/modifications Removed token-ring adapter, added 2nd hard drive and TIGA card
Current status All hw working, hard disks tray is somewhat rusty
Current O.S. None
Spare parts Almost everything: drives, planar, etc.


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This page was first published on the web on Sept. 23, 2002
Last revised Oct. 22, 2004