Table:
text: BCL Molecular
BCL Molecular
BCL Molecular
Model Released Usage_ Features Storage_
Distributor 1986 SOP, Livestock Markets, Paper merchants, Plumbers merchants. Smaller version of the Mark 5 in an oversized PC style vertical cabinet with a CDC Lark 2 drive built in. Designed and manufactured by Systemation Developments K. A. Howlett for Business Computers Systems. A single board processor was developed to replace the 3 card processor and was working but never came to market. At the same time a Transputer based maths co-processor had also been developed. Assembler programming introduced by Systemation Developments with the aid of a third party, running on PC`s with the program then downloaded to the M18. Support for seven additional external Lark 2 or Amcodyne drives 4 per controller including the integral drive. 32K 18 bit words of base memory plus up to 8 32K banks.
 1990(?) SOP, Livestock Markets, Paper merchants, Plumbers merchants. A single board processor was developed to replace the 3 card processor and was working but never came to market. At the same time a Transputer based maths co-processor had also been developed. Assembler programming introduced by Systemation Developments with the aid of a third party, running on PC`s with the program then downloaded to the M18. Support for seven additional external Lark 2 or Amcodyne drives 4 per controller including the integral drive. 32K 18 bit words of base memory plus up to 8 32K banks.
Distributor EP 1989 SOP, Livestock Markets Enhanced version of the Distributor SCSI disk and tape support

text: BCL Molecular
BCL Molecular
BCL Molecular
Model Released Usage_ Features Storage_
SUSIE 1967 Stock Updating and Sales Invoicing Electronically Programmes (2) stored on drum, each with 1000 machine instructions. Programme could be loaded from or written out to paper tape. User interface as SADIE. As for SADIE, plus magnetic drum (6k words)
Mark 1 1970 Sales Order processing Architecture similar to the Data General NOVA in that the memory and I/O highways were separate whereas DEC used a common highway for memory and I/O with the peripherals occupying memory addresses. The NOVA was a 16 bit design but the Molecular was 18 bit allowing signed arithmetic and a memory parity check bit. The instruction set was in some ways similar to the Nova. The M18 was designed by a small team headed by Colin Chapman & Ian Miller. , Operating system known as LOS developed by Joe Templeman in Leicester office of Systemation. Programming was done in octal notation machine code in longhand using coding sheets. The 17 bit word allowed the limited storage of 3 bytes per word using Metacode Ferrite core memory. from Plessey or Fabritek and later EMM. , Front-loading disk drive , Optional paper tape reader D400 front-loading cartridge 875 kbit D800 1.75 Mbit

Question: What was released earlier, Mark 1 or distributor by BCL Molecular?