UPI-41AH42AH

210393 – 1

Figure 3 Block Diagram

UPI PRODUCT MATRIX

UPI

ROM

OTP

RAM

Programming

Device

EPROM

Voltage

8042AH

2K

256

8242AH

2K

256

8742AH

2K

256

125V

8041AH

1K

128

8741AH

1K

128

125V

THE INTEL 8242

As shown in the UPI-42 product matrix the UPI-42

will be offered as a pre-programmed 8042 with sev-

eral software vendors’ keyboard controller firmware

The current list of available 8242 versions include

keyboard controller firmware from both Phoenix

Technologies Ltd

IBM and Award Software Inc

The 8242 is programmed with Phoenix Technologies

Ltd keyboard controller firmware for AT-compatible

systems This keyboard controller is fully compatible

with all AT-compatible operating systems and appli-

cations The 8242PC also contains Phoenix Tech-

nologies Ltd

firmware

This keyboard controller

provides support for AT PS2 and most EISA plat-

forms as well as PS2-style mouse support for either

AT or PS2 platforms

The Intel 8242BB is programmed with IBM’s key-

board controller firmware The 8242BB provides an

off the shelf keyboard and auxiliary device controller

for AT PS2 EISA and PCI architectures

The 8242WA contains Award Software Inc firm-

ware This device provides at AT-compatible key-

board controller for use in IBM PC AT compatible

computers

The 8242WB contains a version of

Award Software Inc firmware that provides PS2

style mouse support in addition to the standard fea-

tures of the 8242WA

Contact factory for current code revision available in all versions of the 8242 product lines

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