IBM Personal System/2 Model 80 386 (8580-111)

Type 8580-111
Serial 55-CO880
Manufacturer IBM U.K. Ltd.
FCC ID AN09SA8580-111
Date August 1989

Physical description

Type Floor-standing (print inside side panel 2 10 89)
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 225 W 110-220VAC auto sense, auto-restart (DAT.: 32/89)

Main board

BIOS IBM, Oct. 7, 1987 ( (128 Kb, NVRAM 8 Kb), planar id FDFF
Processor Intel 80386-20 MHz (32-bit), PGA
Coprocessor Intel 80387-20 MHz, PGA ADDITION
Memory 2 sockets for 85ns DRAM cards, parity checked (PS/2 8580 proprietary type)
Max on system board 4 Mb (2 x 2 Mb)
Max. using adapter cards 16 Mb
Bus Micro Channel (MCA) 16/32-bit
Expansion slots 3 x 32-bit and 5 x 16-bit (1 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 2 Mb 85ns 90X8993 cards on planar (see below for memory card)
Controller IBM 16-bit ESDI hard disk attachment (id DDFF, 2689 printed on card)
Memory IBM 32-bit 2-8 Mb 80386 memory expansion adapter (id FCFF, 8925 on chips) w. 4 x 2 Mb 85ns RAM SIMMs (65X6249, one 24-89, one 36-89, two 40-89) ADDITION
Video IBM 8514 adapter/A (id EF7F, print 8904) ADDITION


Diskette drive 1.44 Mb, 3.5" half -height (Alps DFL713, und.)
2nd Diskette drive 1.44 Mb, 3.5" half -height (Alps DFL713, und.) ADDITION?
Hard disk Type 0669 (115 Mb) ESDI, 5.25" full size
2nd Hard disk Type 0669 (115 Mb) ESDI, 5.25" full size ADDITION


Acquisition Mid-98, collected in a dump together w. other appliances
Condition Good, setup needed
Installed O.S. IBM PC-DOS 4.00, MS Windows 3.1 (Italian), but almost didn't boot
Repairs/modifications Removed token-ring adapter, added 2nd hard drive and two 2 Mb SIMMs to memory card
Current status All hw working
Current O.S. None
Spare parts Almost everything, incl. drives, planar, etc.


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This page was first published on the web on Nov. 11, 2001
Last revised Oct. 22, 2004