Olivetti M24
| Machine type | XP 1050 |
| Serial | 0217668 |
| Manufacturer | Olivetti, made in Italy |
| Date | March 1986 |
Physical description
| Type | Desktop |
| Dimensions (HxWxD) | 160 x 380 x 415 mm |
| Drive bays | 2 x 5.25" half-height, both accessible (see below for the external disk enclosure) |
| Power supply | 200-220VAC, 1A |
Main board
| Manufacturer | Olivetti (sticker 3/86) |
| BIOS | Olivetti Resident Diagnostics Rev. 1.36 (June 19, 1985) |
| Processor | Fujitsu MBL 8086-2 (8 Mhz, 16-bit), DIP (8548), 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) (chips 8604) |
| 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 3/86) (*) |
| Ports | Serial for keyboard/mouse (propr. type), serial (UART 8250), parallel, video (proprietary) |
Cards
| Controller | WD 1002A (ISA 8-bit), supports two HDD (dated 8813) see below for the external disk enclosure ADDITION |
| Tape Controller | QIC-02 (ISA 8-bit) see below for the external disk enclosure ADDITION |
Storage
| Diskette drive | 360 Kb, 5.25" half-height (Panasonic JU455) |
| 2nd Diskette drive | 360 Kb, 5.25" half-height (Panasonic JU455) |
External Disk Enclosure ADDITION
Model/Type: Asem Megabox
Made in Italy
Internal 90W Power Supply
Features two 5.25" half-height drive bays, both
accessible, containing the following units:
| Hard Disk drive | Nec D 5146H (20 Mb), 5.25" half-height (date 1988-06) |
| Tape drive | Teac DX983C |
Trivia
| Acquisition | March 2002, gift |
| Condition | Very good, working |
| Installed O.S. | Olivetti P.C. DOS 3.30 (Italian) |
| Current status | All hw working (tape drive has not been tested) |
| Spare parts | Enough to build another M24, nothing for the ext. enclosure |
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 May 18, 2002 |