LI-1800 (UW) Portable Spectroradiometers

The LI-1800 and LI-1800UW Portable Spectroradiometers are configured as DCE devices. There are two ways to connect the computer to the LI-1800 or LI-1800UW.

Terminal Port

1.Connect the computer to the terminal port on the LI-1800 using the 1000-04 printer cable, and use the COMM program as a terminal emulator.

2.Note that the LI-1800 does not recognize commands sent in lowercase letters.

Output Port

Use the 2232S cable to connect the computer to the 9-pin output port of the LI-1800. You will need another terminal to control the LI-1800; the COMM program will be used to capture data sent from the output port.

LI-6200 Portable Photosynthesis System

The LI-6200 is configured as a DTE device. To send files from the LI-6200 to a computer, use the following functions:

FCT 51 - Set the I/O parameters as follows:

BAUD = 4800

DATA BITS = 8

STOP BITS = 2

PARITY = none

CHECK CD = N

CHECK DSR = N

ENQ/ACK HSHK = N (not used)

XON/XFF HSHK = N (not used)

XON CHAR = 11 (not used)

XOFF CHAR = 13 (not used)

FLAG PARITY = N (not used)

LOCAL ECHO = N (not used)

SOM =00 (not used)

EOL = 0D,OA

EOL WAIT = 0

EOM = 00 (not used)

10 COMM.EXE

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IBM 1000-90 manual LI-1800 UW Portable Spectroradiometers, LI-6200 Portable Photosynthesis System

1000-90 specifications

The IBM 1000-90, released in the late 1980s, stands as a significant milestone in the evolution of computing. Known for its robust architecture and innovative technologies, the 1000-90 epitomized IBM's commitment to delivering high-performance computing solutions for businesses and organizations.

At its core, the IBM 1000-90 was built on a powerful RISC (Reduced Instruction Set Computing) architecture, which allowed it to execute instructions at impressive speeds compared to traditional CISC (Complex Instruction Set Computing) systems. This architecture emphasized efficiency, utilizing simpler instructions that could be executed rapidly, thereby improving overall processing times. The 1000-90 was engineered for multitasking, capable of handling multiple applications simultaneously without compromising performance.

One of the standout features of the 1000-90 was its advanced memory management system. It utilized a hierarchical memory structure, ensuring that frequently accessed data was stored closer to the CPU for rapid retrieval. This design minimized latency and enhanced the responsiveness of applications. The system supported extensive RAM configurations, allowing organizations to tailor the system to their performance needs.

Another notable characteristic of the IBM 1000-90 was its scalability. Tailored to suit different enterprise requirements, it could be configured with a variety of peripheral devices and storage solutions. Users could easily expand memory and storage capacities, making the 1000-90 an adaptable solution for growing companies.

Networking capabilities were also a focal point, as the IBM 1000-90 supported various protocols, enabling seamless integration into existing corporate infrastructures. This allowed businesses to leverage their investment in technology while enhancing collaboration and information sharing.

The operating system of the IBM 1000-90 leveraged IBM's renowned software portfolio, providing a stable and secure environment for business applications. This platform allowed for the integration of essential applications, ranging from inventory management systems to complex databases.

In summary, the IBM 1000-90 was a pioneering machine that combined RISC architecture, advanced memory management, scalability, and robust networking capabilities, making it invaluable for organizations striving for efficiency and innovation in computing. Its legacy continues to influence modern computing technologies, reinforcing IBM's longstanding role as a leader in the tech industry.