Zenith minisPORT

The Zenith mini sport was a laptop, the Zenith Data Systems 1989 brought to the market. The computer had an Intel 80C88 CPU which - could be operated at 4.77 or 8 MHz - switchable by software. He also had 1 MB of RAM, which could be upgraded to 2MB. The mini sport was operated with MS- DOS, which was loaded from the ROM. Its LCD had a resolution of 640 × 200 pixels. He was one of the first very small laptops and can be considered a forerunner of today's ultraportables.

Equipment

• 2 " floppy drive
• Built FastLynx software that could install itself via serial cable on another DOS PC to transfer files between the laptop and the PC can
• The 384 Kbytes on the 640 Kbyte main memory could be set up as a RAM disk. So the laptop could be operated without recourse to the hard disk to increase the battery life. This was unique for DOS -based laptop at this time
• Later models were delivered with a 20 Mbyte hard disk

Disadvantages

• The BIOS of the computer was buffered with a battery. If the battery was empty, the laptop could only be booted again if had been corrected in the BIOS settings before the
• The 2 "floppy disks were not used due to their high price
• The LCD display was very low in contrast