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Olivetti M24


Machine type XP 1050
Serial (Unreadable)
Manufacturer Olivetti, made in Italy
Date October 1986

Physical description

Type Desktop
Dimensions (HxWxD) 160 x 380 x 415 mm
Drive bays 2 x 5.25" half-height, both accessible (a "sidecar" disk tray may be added internally, supporting one 5.25" half-height HDD)
Power supply 200-220VAC, 1A

Main board

Manufacturer Olivetti (35/86 on printed circuitry, sticker 10/86)
BIOS Olivetti Resident Diagnostics Rev. 1.36 (June 19, 1985)
Processor AMD D 8086-2 (8 MHz, 16-bit), DIP (8622), 1 wait state
Coprocessor Socket for optional 8087 coprocessor
Memory 640 Kb 150ns DRAM DIPs (four banks, two 64 K x 9, two 256 K x 9)
Max on system board 640 Kb
Bus 16-bit, proprietary (ISA 8-bit cards compatible)
Expansion slots 3 x 16-bit (proprietary), 4 x 8-bit ISA, all available
Interface FDD (supports two 360/720 Kb units)
Video Integrated display adapter (640 x 400 mono) (sticker 10/85) (*)
Ports Serial for keyboard/mouse (propr. type), serial (UART 8250), parallel, video (proprietary)

Cards

Controller WD 1002A (ISA 8-bit), supports two ST-506/412 HDD (dated 8710) ADDITION

Storage

Diskette drive 360 Kb, 5.25" half-height (Toshiba 6475)
Hard disk drive Olivetti Ope XM 5220/2 (20 Mb), 5.25" half-height (dated 2-87, sticker 06/04/87) ADDITION

Trivia

Acquisition Summer '01, paid a few dollars together w. some other appliances (incl. M24 parts)
Condition Good, working
Installed O.S. Olivetti P.C. DOS 3.30 (Italian)
Current status All hw working, some scratches on cover
Spare parts Enough to build another machine

Notes

(*) Connects motherboard to riser ("bus") card. Can be replaced w. EGC adapter. Video connector also supplies DC Power to monitor.


Peripherals: KEYBOARDS, MONITORS


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This page was first published on the web on Nov. 11, 2001
Last revised May 24, 2004
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