Leanord Silex
Silex Sil'Z II
leanord_silz2

The Silex SIL'Z II

The Silex SIL'z II was the successor of the SIL'z computer by Leanord. The SIL'z II added a Western Digital WD1795 controller to the system, which allowed for the control of extra floppy disk drives. The computer came with the CP/M v2 operating system. The machine was released in 1981 and was quickly followed the next year by the SIL'z III which added a hard drive as an option.

The SIL'z IV was released in 1984, basically the same machine, but with a different design. The IV featured a separate keyboard and monitor and added a standard Hard Disk Drive.

Leanord Company

Leanord is the name of a computer hardware company from Lille France. It was founded by Bernard Pronier. After producing and marketing a few orignial microcomputers, Leanord produced an Apple II clone which was branded the Leanord Silex. When CP/M became more or less a standard operating system, driven by Digital Research, the company switched and started producing Z80 based systems, such as the SIL'Z 3 and later produced Intel 8088 based MS-DOS machines like the SIL'Z 16. Leanord kept producing clones, in fact,t he SIL'Z 16 is a clone of the American FX20 by Future Computers. Leanord made some modifications so it could produce the computer on its assembly lines in Lille, but it basically remained the same machine as the FX20.

CPU View - Zilog Z80 Family

The Z80 quickly became popular in the personal computer market, with many early personal computers, such as the TRS-80 and Sinclair ZX80, using the Z80 as their central processing unit (CPU). It was also widely used in home computers, such as the MSX range, SORD, and the Amstrad CPC, as well as in many arcade games. Additionally, it was also used in other applications such as industrial control systems, and embedded systems. The Z80 was widely used until the mid-1980s, when it was gradually replaced by newer microprocessors such as the Intel 80286 and the Motorola 68000.

The Z80 microprocessor was developed by Zilog, a company founded by Federico Faggin in 1974. The Z80 was released in July 1976, as a successor to the Intel 8080. It was designed to be fully compatible with the 8080, but also included new features such as an improved instruction set, more powerful interrupts, and a more sophisticated memory management system.

The Z80 quickly became popular in the personal computer

Technical Details
Released 1982 Country France Brand Leanord Type Leanord Silex Name Silex Sil'Z II CPU Class Z80 CPU Z80A @2.5MHz Memory RAM: 64kB
RAM max: 64kB
ROM: 4kB
Sound Chip none Sound 1 channel internal speaker Display 80x24 text
built in 12" monochrome monitor.
Best Text 80x24 Best Color monochrome Sprites none System OS CP/M v2 Storage 2x 5.25" Disk Drive
External Links 🌐
Z80 CPU
Wikipedia page on the very popular Z80 8-bit CPU used in many computers of the 1980's era.