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Hardware Functional Overview 3-9

PCMCIA CONTROLLER AND SOCKETS

The PCMCIA controller is implemented on the system board using Omega’s 82C094 Inter- face Controller. The 82C094 is compatible with the Intel i882092AA PCI to PCMCIA controller chip. It supports two independent 68 pin PC card sockets and is register com- patible with Intel’s 82365SL.

The NEC Versa 2500 Series notebook provides PCMCIA slots that support two Type I, or Type II cards at the same time. or one Type III card on the upper slot and one Type I or II card on the bottom slot.

Feature summary of the Omega 82C094:

PC Card 95, PCMCIA 2.1, and JEIDA 4.1 compatible Interface

Power Management Function that includes Individual Socket power control, Hot insertion/removal, Hardware/Software controlled power down, Modem Ring in Resume, CS Controlled Power Down, and Power Saving with Windows inactivity

Direct connection to 33 MHz PCI bus and to PCMCIA sockets without glue logic

Serial Power Control to support the designs with most PCMCIA power switch IC

Legacy DMA and serial IRQ to directly support advanced PCI Core Logic

Single-Chip PCMCIA host controller

Supports CLOCKRUN# of the PCI Mobile Design Guide for power saving

Intelligent power management for lowest operating power

Programmable power management with individual socket activity counter

Four-level FIFO and programmable PCMCIA interface timing

Five programmable memory windows and two programmable I/O windows per socket

Intel EXCA register compatible

TRegister-set compatible to Intel i82092AA (PPEC) and Intel i82365SL 208 Pin PQFP or TQFP

HARD DISK SUBSYSTEM

The hard disk subsystem, implemented on the system board and on the associated built-in hard disk drive, provides disk storage for all system software and user files.

The NEC Versa 2500 Series notebook is equipped with a high capacity 1.4 GB hard disk drive that provides LBA (Logical Block Addressing) mode support. The I/O subsystem controller, NS PC87336CLJ, provides the IDE controller for the hard disk.

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NEC NEC Versa 2500 Series User's Guide 25-10584-00 warranty Pcmcia Controller and Sockets, Hard Disk Subsystem
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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.
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