SOLD BY laptopia2005 DO NOT RESELL!!

3-6 Hardware Functional Overview

MEMORY SUBSYSTEM

The memory subsystem, implemented on the system board, includes ROM and DRAM memory. Primary control for the memory subsystem is provided by the UMC 8890 System Controller chipset.

DRAM Memory

The NEC Versa 2500 notebooks contain 16 MB of 70ns page-interleaved DRAM on the system board. The notebook provides one extra memory slot for upgrading the DRAM memory to 8 MB, 16 MB, 24 MB, 32 MB, 40 MB, & 48 MB using standard JEDEC or EDO small-outline DIMM memory modules. (Refer to Chapter 1 on System Upgrades to know more about how to upgrade the system memory).

ROM Memory

The NEC Versa 2500 Series notebooks contains both the main system BIOS and the VGA BIOS with Shadow BIOS capability.

I/O SUBSYSTEM

The I/O Subsystem of the notebook is implemented on the I/O Board using the NS PC87336VLJ chipset. The supported I/O interface on the notebook includes the internal hard disk drive interface, the internal floppy disk drive interface, the external printer port interface, the external serial port, and the external PS/2 keyboard and mouse ports.

Feature’s summary of the NC87336VLJ:

Compatible with IBM AT architecture

Supports up to two 360K, 720K, 1.2M, or 1.44 MB floppy disk drives

Supports IBM PC/AT interface to IDE (Intelligent Drive Electronics)-type Win- chester drives

Hardware or software configuration

Address decoding and strobe generator for game port

Supports two serial port functions

Supports one bi-directional IBM PS/2 compatible parallel port function

All functions can be enabled or disabled individually

Configuration Register can be easily selected

TOnly one 24 MHz crystal needed 100-pin plastic flat package

SOLD BY laptopia2005 DO NOT RESELL!!

Page 63
Image 63
NEC NEC Computer Systems Division, Packard Bell NEC, Inc warranty Memory Subsystem, Dram Memory, ROM Memory

NEC Versa 2500 Series User's Guide 25-10584-00, NEC Computer Systems Division, Packard Bell NEC, Inc specifications

NEC Computer Systems Division was a prominent entity in the realm of personal computing, renowned for its innovative products and advanced technologies. One of its most notable contributions to the market was the Packard Bell NEC, Inc., a brand that combined the strengths of two industry giants to offer cutting-edge computing solutions. Among the various products offered by this partnership, the NEC Versa 2500 Series stood out as a noteworthy achievement, embodying a blend of portability, performance, and user-centric design.

The NEC Versa 2500 Series was designed primarily for business and professional users who required a reliable and efficient mobile computing solution. Its main features included a sleek and lightweight design, making it easy for users to carry the device wherever their work took them. The laptop was equipped with a robust Intel processor, delivering commendable performance for a variety of applications, from word processing to graphics design.

One of the defining characteristics of the Versa 2500 Series was its versatility. Featuring a modular bay design, users could customize their system with a variety of add-ons such as additional drives, batteries, or even a second hard drive. This allowed professionals to tailor their device to better meet their specific needs, enhancing productivity on the go.

In terms of display, the NEC Versa 2500 Series boasted a vibrant screen that provided clear and bright visuals, essential for presentations and detailed work. The keyboard was ergonomic, ensuring comfortable typing for extended periods, a crucial aspect for business users who often found themselves working long hours. Additionally, the laptop included a range of connectivity options, such as USB ports, a floppy disk drive, and expansion slots, making it easy to link with other devices and peripherals.

The NEC Versa 2500 Series also incorporated advanced technologies that enhanced its performance and user experience. Its energy-efficient design contributed to longer battery life, allowing users to work uninterrupted even while traveling. The inclusion of NEC’s proprietary software solutions further optimized the device's performance, ensuring smooth operation and increased efficiency.

In summary, the NEC Versa 2500 Series, under the umbrella of NEC Computer Systems Division and Packard Bell NEC, Inc., offered a compelling combination of features, technologies, and characteristics that catered to the needs of mobile professionals. With its emphasis on portability, modularity, and efficiency, the Versa 2500 Series solidified its position as a preferred choice for those seeking a dependable mobile computing solution in the competitive landscape of the late 1990s and early 2000s.