Olivetti M20BC
1983 · personal computer
Specifications
| Manufacturer | Olivetti |
|---|---|
| Release year | 1983 |
| Type | PERSONAL COMPUTER |
| CPU | Z8001, 8086 on optional card - 4 Mhz |
| Memory (RAM) | 224Kb |
| Currency original price | 0 |
| Graphics | 512 x 256 mono, 4 or 8 colours |
| Operating System | PCOS, CP/M86 with optional card, CP/M8000 (?) |
| Others port | Parallel IEEE 488, RS-232-C Twin |
| Parallel port | Centronics |
| ROM | 64Kb (16Kb x 4 ROM) |
| Serial port | RS-232C |
| Storage memory | Floppy 160-320-640Kb x 2, Hd 11,5 Mb optional |
| Text (Cols x Rows) | 80 x 24 |
About the Olivetti M20BC
The RAM is distributed in this way: - 128Kb on the motherboard - up to 3 expansion each of 32Kb or 128Kb, but you can't mix the sizes. 512k was the maximum decoded by the motherboard. A 4 color system need at least one expansion (32kb or 128Kb), instead the 8 color system need two expansion (always 32kb or 128kb). The M20 can use up to 4 disks types: - floppy disk 5.25" 640 Kbyte (DSHD); - floppy disk 5.25" 320 Kbyte (DSDD); - floppy disk 5.25" 160 Kbyte (SSDD); - hard disk 5.25" 11.25 MByte.
Find one for sale
Find the Olivetti M20BC on eBay →Links to eBay are affiliate links — purchases may earn this site a small commission.