Walkom NP-903
This unbranded i386SX laptop from 1991 is a clone of the more common MicroStar (MSI) NoteStar NP-903. Technical specifications: CPU: Intel i386SX 16MHz RAM: 2MB Graphic: Chips & Technologies 82C456 VGA Controller Chipset: Headland Technology, Inc. HT21 IDE / Floppy controller: Acer M5105 Floppy: Citizen U0DA-19A Mainboard Power Supply Test Reviews PC Magazine, August 1991 (Modern Computer, Walkom NP-903) PC Magazine, January 1992 (MicroStar Computers, NoteStar NP-903) Remark: According to Wikipedia Modern Computer is another Product line of MicroStar. Upgrades RTC clock Dallas DS1287: modern replacement: nwX287 by Necroware (changeable battery) Math Co-Processor: Cyrix FasMath 83S87 (fastest of the 387SX compatible coprocessors) RAM Upgrade from 2MB to 4MB Harddisk CF Compact Flash 2.5" 44Pin, 2mm, IDE Converter Repairs Floppy drive If the floppy drive makes loud noises when the disk is accessed and nothing can be read, it is a good idea to perform these ste