LT Model

LT Model

Samsung SENS Pro 680

Micron LT

Samsung produced the Micron (MicronPC) LT laptops, the Samsung model was the SENS Pro 680, and the LT could loosely be called a two-axis (Hard drive plus one other drive) version of the Micron ZX. However, little if anything swaps between these two models other than the AC adapter.

Construction wise, the LT is a very solid machine and has a metal base and a metal LCD lid. The LCD bezel and top half of the main base unit are both plastic, but they don't receive as much abuse as the top and bottom sides of a closed laptop. The LCD lid does have a painted surface and it is often very scratched, but it is not often broken. LCD's sizes of 12.1" and 13.3" were used in the LT. Replacements are hard to find, but I do often have them available.

The LT has a hot-swap drive bay that allows swapping out a of the CD-ROM (or DVD) drive for a floppy drive module. There also is a USB cable that allowed the LT to convert into a three-axis laptop with the floppy being an external USB drive. The factory floppy drive modules and the external floppy cables are both rare items and I would suggest just purchasing a universal USB floppy drive module if a floppy drive is needed.

The CPU used is a Intel Pentium III with a micro-PGA zero-force socket. The fastest CPU that can be used is a very rare 800 MHz or hard to find 750MHz. System speed increase over a more common 650MHz CPU is slight. Spent money on more memory and/or a faster hard drive first.

The CPU socket requires the rotation of an ecentric locking screw to open or close the socket for CPU installation or removal. Rotation is 180 deg's and if the screw rotates to an in between position the CPU may not contact the socket correctly. Do check on this if your LT dies on you.

The CPU heatsink is marked with a label that the laptop needs to be turned on for 10 seconds (and then turned off) before attempting to remove the heatsink from the CPU. I believe that this is to heat the heat transfer pad so that it releases from the CPU. The pad will need to be replaced, should it become damaged.

There is a standard 64MB of RAM on the motherboard and there is only one expansion slot for extra memory. The memory slot is a tight fit for most 128MB memory modules and I've not found a 256MB module to fit correctly into an LT, so I believe that memory is limited to only 192 MB's because of the size of the available memory module space.

The hard drive fits into a plastic carrier (caddy) that secures the hard drive with a single screw plus acts as an alignment device to prevent hard drive pin offset when a hard drive is mated to the motherboard connector. If for some reason you are installing a hard drive (for testing?) without the carrier then you need to be aware that you can damage the motherboard and/or hard drive if the mating pins are offset. It's takes some work, but you can remove the top half of the base and look at the pins before you power up the laptop. Hard drives must be 9.5mm in thickness to fit into the carrier and mounting space. I do not know the largest hard drive that can be properly seen by the BIOS - I've not tried large hard drives myself.

The AC Adapter is of the Samsung reversed pin arangement and so is often a hard adapter to purchase.