Epson Apex 386/33 Canadian Product User Manual - Page 20

Features, Six 16-bit AT compatible I/O slots

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1-3 Features A brief description of your system is given below: Compatibility with PC/AT Intel® 80386 - 33 microprocessor Optional 80387 - 33 or Weitek® WTL3167 - 33 coprocessors Dual speed, 33MHz cache support in ultra-high speed and emulation without cache in low speed, both switchable by either software or hardware switches Discrete components to complete cache functions l/2/4/5/8 MB 32-Bit DRAM onboard 64/256 KB direct-mapped high-speed SRAM cache memory Write-Back cache update for 0-watt state memory-write operations DTK, Phoenix, Award, or AMI BIOS support Shadow RAM function for BIOS and video (for PEM-3301 motherboard) One 32bit memory expansion slot for a PEI-306 32-bit memory expansion card to provide up to 16MB of 32-bit memory Six 16-bit AT compatible I/O slots One 8-bit AT compatible I/O slots Standard 8MHz AT bus speed DALLAS DS1287 chip to maintain system configuration and real time clock setting Keyboard and speaker attachments Seven DMA channels 16 level interrupt Three programmable timers 4 Chapter 7: System Overview

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1-3 Features
A brief description of your system is given below:
Compatibility with PC/AT
Intel
®
80386 - 33 microprocessor
Optional 80387 - 33 or Weitek
®
WTL3167 - 33 coprocessors
Dual speed, 33MHz cache support in ultra-high speed and
emulation without cache in low speed, both switchable by
either software or hardware switches
Discrete components to complete cache functions
l/2/4/5/8 MB 32-Bit DRAM onboard
64/256 KB direct-mapped high-speed SRAM cache memory
Write-Back cache update for 0-watt state memory-write
operations
DTK, Phoenix, Award, or AMI BIOS support
Shadow RAM function for BIOS and video (for PEM-3301
motherboard)
One 32bit memory expansion slot for a PEI-306 32-bit
memory expansion card to provide up to 16MB of 32-bit
memory
Six 16-bit AT compatible I/O slots
One 8-bit AT compatible I/O slots
Standard 8MHz AT bus speed
DALLAS DS1287 chip to maintain system configuration and
real time clock setting
Keyboard and speaker attachments
Seven DMA channels
16 level interrupt
Three programmable timers
4
Chapter 7: System Overview