2500 SX/25  (250-1610)           Features               Faxback Doc. # 1122

The Tandy 2500 SX/25 delivers IBM PC/XT/AT compatibility in a high-
performance environment. Featuring a 25 MHz 386SX microprocessor, this 
computer enables you to run popular software packages and to add industry
standard expansion options. Many advanced features are standard. Features 
and options are listed below:

STANDARD FEATURES:

25 MHz 386SX       Gives you 386SX processing power and a 32-bit CPU with a
microprocessor     16-bit data path.

Industry Standard- Ensures compatibility with hardware and software built 
                   to Architecture (ISA) IBM standard for PC/XT/AT.

MS-DOS & OS2       Lets you choose the operating system that best supports
Compatibility      your software.

101-key enhanced   Provides easy typing with a standard 101-key layout.
keyboard           Features auto-repeat to reduce the number of multiple
                   keystrokes.

High-capacity,     Enables you to read and writer standard-density (720KB) 
3 1/2" diskette    and high-density (1.44MB), 3 1/2" diskettes.
drive

Three disk         Enables you to install hard drives and diskette drives.
drive bays

Three 16-bit       Permits installation of 16-bit adapters. These are full
standard           sized (13") slots. Some 16-bit adapters use a higher 
expansion slots    data transfer rate than 8-bit adapters.

On-board VGA-      All standard VGA, EGA, CGA, MDA and Hercules graphics 
compatible video   modes are supported through an externally connected 
                   analog VGA monitor.

Audio hardware     Enables you to record, store, and play sophisticated music
                   and sound. Includes an analog to digital/digital to a
                   analog converter, a built-in speaker, a digital volume 
                   control, a microphone connector, and a headphone 
                   connector.

2MB of dynamic,    Enables you to run a variety of software. This memory is
random access      permanently installed on the main logic board. On-board
memory (DRAM)      sockets enable you to install additional memory.

Built-in diskette  Saves you the cost of a diskette controller board and 
drive controller   the use of a 16-bit slot when you add diskette drives.
                   Supports up to two diskette drives.

Built-in 16-bit    Enable you to quickly add convenient, reliable hard disk
SmartDrive (IDE)   storage. SmartDrives provide maximum performance at
connector and      minimum cost. The built-in controller supports up to two
controller         SmartDrives.

Setup in ROM       Enables you to run the Setup utility to update the 
                   computer configuration without accessing files on a 
                   diskette.

Built-in mouse     Saves you the cost of a PS/2-style mouse board and the
port (mini-din     use of a 16-bit slot.
connector)

Built-in serial    Saves you the cost of a serial expansion adapter and the
port               use of a 16-bit slot when you connect a serial mouse, 
                   and external modem, or other serial device.

Built-in headphone Enable you to connect a microphone or a line-level audio
and microphone     input device.
connectors

Built-in parallel  Saves you the cost of a parallel expansion adapter and
port               the use of a 16-bit slot when you connect a parallel 
                   printer or other parallel device.

Battery-backed     Maintains the system date and time when the computer is
internal clock     turned off. The clock's battery also powers the CMOS 
                   RAM, which maintains current configuration settings.

PS/2-style mouse   Enables you to choose program and menu options quickly.
                   Move the mouse to position the cursor and highlight our
                   selection. Then, click the left mouse button.

OPTIONS

Additional         Give you a variety of storage options, including: high-
storage devices    capacity and standard-capacity diskette drives (3 1/2" 
                   or 5 1/4"), internal hard disk drives (3 1/2" or 5 
                   1/4"), and/or disk cartridge systems.

Memory upgrade     Contains 256KB or 1MB or 4MB SIMMs, rated at 70ns, to
kit                increase system memory on the main logic board or on a
                   16-bit memory expansion adapter.

Video memory       Increases the video memory on the main logic board from
upgrade kit        256KB to 512KB, letting you use more Super VGA modes.

25 MHz 387SX       Increases the numerical processing capability of your
math coprocessor   computer. A math coprocessor can process numeric data
                   more quickly than the CPU.

Modem              Transmits and receives data through an ordinary 
                   telephone line.

Digital scanner    Converts printed text and graphics to a digital form.

FAX adapter        Transmits and receives scanned graphic images through an
                   ordinary telephone line.

CD-ROM drive       Accesses the enormous storage capabilities of read-only
                   disks.

Multiple-          Lets you use more Super VGA modes. Connect a multiple
frequency          frequency monitor or 8514/A-compatible, multi-frequency
monitor            monitor. To use some Super VGA graphics modes, you must
                   also install a video memory upgrade kit.

IDE hard drive     Install internal hard drives in the 3 1/2" bay, the 5 
                   1/4" bay, or the expansion adapter area. The IDE hard 
                   drive connector in your computer supports up to two 
                   internal hard drives.

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