IBM PS/2 type; 8525
AUG 1987 - IBM introduces the PS/2 Model 25, with an 8-MHz Intel
8086, combined system unit with monitor, no hard drive, and reduced-size
keyboard, starting at US$1350.
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Model 8525
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SN; 88-79853
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Intel 8086 (16 bit)
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Clock speed: 8 Mhz, zero wait states
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Socket for optional i8087 math coprocessor
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Type of BUS: 8-bit
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Total number of expansion slots: 2
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Ports: PS/2 keyboard, PS/2 mouse, serial, parallel, audio earphone connector
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RAM; Min/Max on system board: 512/640kb
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RAM: DRAM (DIP and MMK) 100-150ns w. parity.
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ROM: 40 or 64kb w. MS BASIC-80
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3.5" half-height Floppy Disk Size: 3.5 inch half-height Capacity: 720KB
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Hard disk Size: 3.5 inch half-height
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Capacity: Optional 20MB 80ms or 20MB 38ms
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Display type: Size: 12 inch (diagonal) Integrated monochrome (models 001,
C01) Graphics modes supported:
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Integrated MCGA Display adapter.
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