EPOX EP-3VCA2 Specifications download pdf (Page 8)

Introduction EP-3VCA2

Page 1-2

EP-3VCA2 Form-Factor

The EP-3VCA2 is designed with ATX form factor - the new industry standard of

chassis. ATX form factor is essentially a Baby-AT baseboard rotated 90 degrees

within the chassis enclosure and a new mounting configuration for the power

supply. With these changes the processor is relocated away from the expansion

slots, allowing them all to hold full length add-in cards. ATX defines a double

height aperture to the rear of the chassis which can be used to host a wide range of

onboard I/O. Only the size and position of this aperture is defined, allowing PC

manufacturers to add new I/O features (e.g.; TV input, TV output, joystick, modem,

LAN, etc.) to systems. This will help systems integrators differentiate their

products in the marketplace, and better meet your needs.

 By integrating more I/O down onto the board and better positioning the hard

drive and floppy connectors material cost of cables and add-in cards is

reduced.

 By reducing the number of cables and components in the system, manufactur-

ing time and inventory holding costs are reduced and reliability will increase.

 By using an optimized power supply, it's possible to reduce cooling costs and

lower acoustical noise. An ATX power supply, which has a side-mounted fan,

allows direct cooling of the processor and add-in cards making a secondary

fan or active heatsink unnecessary in most system applications.

Full length

slots

Expandable I/O

5 1/4"

Bay

3 1/2"

Bay

Figure 2: Summary of ATX chassis features

CPU located near

Power Supply

Single chassis

fan for system

ATX

Power

Supply

ATX power connector

Floppy / IDE

connectors

close to

peripheral

bays

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EPOX EP-3VCA2 Specifications Page 8

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