Epson Apex 386/40 Canadian Product User Manual - Page 17

Features, DTK, or AMI BIOS support

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1-3 Features . 386-33140 microprocessor with 80387-33140 or Weitek 3167 numeric coprocessor optional . Use of the DTK DA315 and DA342 chipset . Dual speed, 33/40MHz cache support in ultra-high speed. Emulation without cache is enabled in low speed. Software or hardware switches toggle between high and low speeds. . l/2/4/5/8 MB 32-bit DRAM onboard . Direct-mapped high-speed SRAM cache memory support: 64KB . Write-back cache update for O-wait state memory-write operations . DTK, or AMI BIOS support . Shadow HAM function for BIOS and video . One 32-bit memory expansion slot for the PEI-307 32-bit memory expansion card, expanding 32-bit memory up to 16MB . Six 16-bit AT compatible l/O slots . Two a-bit AT compatible l/O slots . AT bus speed - KEEN-3336: 8MHz KEEN-4030: 10MHz . 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 1: System Overview

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1-3 Features
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.
.
.
.
.
.
.
.
.
.
.
.
.
.
386-33140 microprocessor with 80387-33140 or Weitek 3167
numeric coprocessor optional
Use of the DTK DA315 and DA342 chipset
Dual speed, 33/40MHz cache support in ultra-high speed.
Emulation without cache is enabled in low speed. Software
or hardware switches toggle between high and low speeds.
-
l/2/4/5/8 MB 32-bit DRAM onboard
Direct-mapped high-speed SRAM cache memory support:
64KB
Write-back cache update for O-wait state memory-write
operations
DTK, or AMI BIOS support
Shadow HAM function for BIOS and video
One 32-bit memory expansion slot for the PEI-307 32-bit
memory expansion card, expanding 32-bit memory up to
16MB
Six 16-bit AT compatible l/O slots
Two a-bit AT compatible l/O slots
AT bus speed —
KEEN-3336: 8MHz
KEEN-4030: 10MHz
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 1: System Overview