32G3606 | IBM PS/2 486SLC2 Processor Upgrade.

192-145 IBM PS/2 486SLC2 PROCESSOR UPGRADE FOR PS/2 MODELS 56 SX AND

56 SLC AND MODELS 57 SX, 57 SLC AND M57 SLC

The PS/2 (R) 486SLC2 Processor Upgrade (#2310, 32G3606) features the

new IBM 486SLC2 microprocessor and enhances all models of the PS/2

Model 56 SX and 56 SLC and Model 57 SX, 57 SLC and M57 SLC systems by

providing the capability to upgrade to 486SLC2 technology.

Features and Performance Enhancements

o Double clock IBM 486SLC2 microprocessor (40MHz internal/20MHz

external)

o 486SX-compatible Instruction Set

o Internal memory cache controller and integrated 16KB cache memory

o Improves processor throughput up to 271% for 386SX-20 based

systems and up to 99% for 386SLC-20 based systems, depending on

the application

o Improves processor throughput up to 53% greater than 486SX-20

based systems and up to 20% greater than 486SX-25 based systems,

depending on the application

o 16-byte wide cache line size

o Enhances system performance, particularly compute-intensive

applications

o Allows upgrade of PS/2 Model 56 SX and 56 SLC and Model 57 SX,

57 SLC and M57 SLC systems

o Installs into a Math Co-Processor socket connector

o Provides a socket for 80387SX 20MHz, or equivalent Math

Co-Processor

o 16MB real memory addressability

o 64TB (TB = terabytes) virtual memory addressability

o Customer installable

Planned Availability Date: Fourth Quarter 1992*.

(R) Registered trademark of International Business Machines

Corporation.

* Sale or delivery of the IBM PS/2 486SLC2 Processor Upgrade is

subject to FCC approval.

MARKETING ACTION REQUIRED

Offers may receive an Open Box unit. Thanks!