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Epson Progression Product Information Manual
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Epson Progression Product Information Manual

Epson Progression Product Information Manual

Product information guide
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Table of Contents

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Download this manual See also: User Manual, Setup Manual
diskette
release
latch
.
optional drive bay
power inlet
cove
lock

Computer Specifications

CPU and Memory
CPU (on card)
486SX/25 card: Intel 486SX, 25 MHz
microprocessor soldered on CPU card;
additional socket for optional Intel
ODP486SX/25 OverDrive module to
double internal clock speed (50 MHz);
OverDrive module cannot be installed if
487SX/25 microprocessor chip is installed
in shared socket
486DX/33 card: Intel 486DX, 33 MHz
microprocessor socketed on CPU card;
additional socket for optional Intel
ODP486DX/33 OverDrive module to
double internal clock speed (66 MHz)
486DX2/66 card: Intel 486DX2,66 MHz
microprocessor socketed on CPU card;
additional socket for optional (future)
Intel OverDrive module
diskette
release
button
power
button
I
power light
hard disk
TURBO light
RESET
button
option card slots
serial
port
High, low, and automatic speeds available;
System speed
high speed is CPU dependent, low speed
is simulated 8 MHz speed, automatic
speed switches from high to low only for
diskette drive access; speed selection
through SETUP, keyboard command, or
ESPEED program; 0 wait state memory
access at high speed
4MB RAM standard soldered on main
Memory
system board; expandable using 1MB,
4MB, 16MB, or 64MB SIMMs to 128MB
(maximum); SIMMs must be 36-bit,
fast-page mode type with 70 ns (or faster)
access speed
128KB system BIOS ROM and SETUP code
ROM
located in FLASH memory device on CPU
card; 64KB boot ROM contained in
EPROM on main system board
Video RAM
additional 1MB VRAM on optional
enhanced video daughterboard (2MB
VRAM maximum)
Shadow RAM
Automatic shadowing of
address control selectable through SETUP
Cache
8KB of internal cache (built into the
microprocessor); cache testing and address
control selectable through SETUP
Epson proprietary VirtualCache feature
VirtualCache
automatically creates a "virtual cache"
buffer the size of maximum system
memory
486SX/25 card: socket for optional Intel
Math
coprocessor
487SX, 25 MHz microprocessor chip with
built-in math coprocessor; microprocessor
additional socket for optional Weitek 4167,
Clock/calendar
separate battery backup
10/19/92
EPSON PROGRESSION
1MB VRAM on main system board;
system
BIOS ROM into RAM; shadow RAM
chip cannot be installed if OverDrive
module is installed in shared socket
486DX/33 card: math coprocessor built
into the 486DX microprocessor; additional
socket for optional Weitek 4167, 33 MHz
math coprocessor
486DX2/66 card: math coprocessor built
into the 486DX2 microprocessor;
33 MHz math coprocessor
Real-time clock, calendar, and CMOS
RAM socketed on main system board;
Epson Progression-l
and VGA

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Summary of Contents for Epson Progression

  • Page 1: Computer Specifications

    SETUP Cache 8KB of internal cache (built into the microprocessor); cache testing and address control selectable through SETUP cove Epson proprietary VirtualCache feature VirtualCache lock serial port automatically creates a “virtual cache” buffer the size of maximum system...
  • Page 2 EPSON PROGRESSION Internal; operation controllable through OverDrive Speaker 486SX/25 card: socket for optional Intel Module SETUP and volume selectable by software ODP486SX/25 OverDrive module to double internal clock speed (50 MHz); IBM compatible VGA pass-through Alternate VGA module cannot be installed if 487SX/25 interface built into main system board;...

  • Page 3: Main System Board Map

    EPSON PROGRESSION Physical Characteristics Main System Board Map Width 17 inches (432 mm) 16 inches (406 mm) Depth SIMM Height 6 inches (153 mm) monitor keyboard port sockets Weight Single diskette drive model (without \ ..r.rL..l r.-..+ I -*sl port -11, r;ouse port...
  • Page 4 EPSON PROGRESSION Serial Port Connector (CN3) VGA Daughterboard Connectors (CN23, CN24, CN25, CN26) There are four VGA daughterboard connectors. The connectors (36-pin headers) provide the video interface between the board and the video controller. They are physically identical, but the pinouts for each are different.

  • Page 5: Dma Channels

    40-05F CPU Card Jumpers Timer/counter 060 - 06F Keyboard controller (8042) Three CPU cards are available for the Progression: 486SX/25, 070 - 07F RTC. NM mask resister 486DX/33, and 486DX2/66. The jumper on the 486SX/25 080 - 09F DMA page registers, MFG port OAO - OBF card should always be set to position B.

  • Page 6: Hard Disk Drive Types

    EPSON PROGRESSION OverDrive Modules Hard Disk Drive Types If you have the 486SX/25 or 486DX/33 CPU card, you can The following table lists the types of hard disk drives you can install Intel OverDrive module on the card to effectively use in the computer.

  • Page 7: Information Reference List

    TM-PROGRESS Epson Progression Service Manual Installing Hard Disk Drives PL-PROGRESS Epson Progression Parts Price List 0 It is recommended that a 16-bit, AT-type hard disk controller be used if you are installing a drive that cannot SPKPROGRESS Epson Progression Self Paced Kit use the embedded IDE interface.
  • Page 8 EPSON PROGRESSION Epson Progression-8 10/19/92...

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