Epson Equity 486DX2/50 PLUS Support and Manuals
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Product Information Guide - Page 2
... system board; twoway set associative. battery backup
EQUITY 486DX2/50 PLUS EQUITY 486SX/25 PLUS
Controllers
Diskette
Supports up to two drives in 256-colors; interface on 25 MHz model, 80486SX microprocessor can be fast-page mode, 80ns access speed (or faster)
ROM
128KB (includes system BIOS and VGA BIOS)
Shadow RAM
0 wait state acceSS speed; Computer Specifications
CPU and Memory...
Product Information Guide - Page 3
...Logic
16 INIT17 SEECTIK 16 SIGNAL GND
25 SIGNAL GND
486DX2/50 & 486SX/25 PLUS-2
5/12/92
Equity Series Computers EQUITY 486DX2/50 PLUS EQUITY 486SX/25 PLUS
Keyboard Layout Function
Detachable, two position, 101/102 (...16 inches MO6 mm)
Height
6 inches (153 mm)
Weight (without keyboard)
Single diskette drive model: 26 lb (11.8 kg)
Connector Pin Assignments
Parallel Port Connector (CN5)
...
Product Information Guide - Page 4
...porl2
360-38F
1SDLC.
JPll JP12 JP13 JP14 JP15
Miscellaneous jumper settings
Jumper number JP4
JP5 JP6 JP7
Jumper ! EQUITY 486DX2/50 PLUS EQUITY 486SX/25 PLUS
VGA Connector Pin Assignments
Phi Slgnal
Pin SIgnsI
1
Red Video
... as 1
your primary adapter
I
Enables the power-on password
Drsables the power-on password
Color monitor IS mstalled Monochrome monitor IS mstalled
Enables the...
Product Information Guide - Page 5
...EQUITY 486DX2/50 PLUS EQUITY 486SX/25 PLUS
Jumper settings for base memory
Base memory
Jumper JP13
Jumper JP14
640KB
A
~ A'
512KB
,B
IA
,256KB
!B
lB
/
* Factory setting
Jumper settings...in three
banks consisting of the sockets in the Setup program. A A A
, IA (A
jA
Jumper settings for extended memory
T&d memory
~ 4MB
1 ...installed in your computer. Each socket can use . Do not...
Product Information Guide - Page 6
...Setup on the floppy drive controller cable to the drive, not to the ports or the main board. Related Documentation
TM-48625/50
Equity 486DX2/50 PLUS & Equity 486SX/25 PLUS Service Manual
PL-486DX2/50 PL-486%25+ SPK486DX2/50 Y73899110100
Equity 486DX2/50 PLUS Parts Price List Equity 48fiSX/25 PLUS Parts Price List Equity 486DX2/50 Self Paced Kit Equity 486DX2/50 PLUS 4&3X/25 PLUS User's Guide...
Product Support Bulletin(s) - Page 1
...using an MS-DOS boot diskette that requires a device driver (CD-ROM, local area network, etc.), obviously the necessary device driver(s) must be loaded. Such programs will require a minimum...Date: 06/04/93 Page(s): 1 of FILES or BUFFERS to any computer system. Also, some exceptions to benchmark or troubleshoot any add-on that 's 'clean' - in the CONFIG.SYS file.
EPSON
Product Support...
Product Support Bulletin(s) - Page 3
VER
1.03 1.03
PART #
Y738808003 Y738807003
EQUITY 486DX2/50 PLUS
DESC
CASH-B04 CASH-A04
TYPE
27C512 27C512
LOC
U46 U47
REASON
INITIAL RELEASE
VER
PART #
1.00.04.S0I
EXPRESS STATION
DESC
PHOENIX
TYPE LOC REASON
INITIAL RELEASE To update the HDD table. See ECN No: EQ486SX/25+-001 (8/7/92). After loading, the system may lock up when...
User Manual - Page 16
...-in VGA adapter. How to Use This Manual
This manual explains how to set up to run diagnostic checks. Introduction 3 Chapter 2 describes how to 640 x 480, and 132-column text mode. VGA Utilities
Epson has included special VGA device drivers and utilities for use with your system. Chapter 3 provides instructions for general operating procedures, such as...
User Manual - Page 18
... network of ribbons, supplies, parts, documentation, and
accessories for customer support and service. If you for your Epson product cl Customer Relations CI Epson technical information library fax service cl Product literature with the installation, configuration,
and operation of Epson products cl Assistance in locating your computer outside of this manual's back cover. International...
User Manual - Page 36
... that came with your computer is necessary.
However, you have a 5V4-inch drive, press the button to start the Setup program: 1. If you have installed in the Setup program.
Check the documentation that the settings are correct for instructions. It also detects and configures most of the devices you should check each of the default...
User Manual - Page 173
... Ll A file includes parts of these problems: Lt Part of a file is missing. See Chapter 2 for instructions. If the problem persists, try the operation again. Use the COPY command to copy the files from the bad diskette to check the setting. 7. This is probably the case if you ran the Setup program. If the error message still occurs...
User Manual - Page 179
... a port error message if you are having difficulty with the port to the computer. (Also, make sure your application program. See your software problem, contact the software manufacturer for the correct settings. 3. If none of these solutions solve your printer manual for technical support. See Chapter 2 for instructions. 2.
5.
Printer Problems
Below are having trouble with your...
User Manual - Page 182
... a problem with the Microsoft mouse driver 7.0 and the cursor is not operating properly or freezes within a program, you may need to install the MOUSE7PT.EXE program. tl If you installed a mouse on the computer case. Troubleshooting B-27 See Chapter 1. The mouse port has a special icon on an option card, be sure to set jumper JP7 to install...
User Manual - Page 183
... new mouse driver at the MS-DOS
command prompt and then start the program. There are two ways to make the extension .COM. When you included the file MOUSE.SYS in your Reference diskette to eliminate the cursor problem. B-28 Troubleshooting
COM is the name you load the new driver. 3. Just substitute .SYS for instructions.
User Manual - Page 185
.... 3. Math Coprocessor Problems
If the math coprocessor in the Setup program but still does not seem to remove it for instructions. Run the Setup program to make sure you set jumpers JP1 through JP3 to indicate that you have installed the math coprocessor incorrectly. B-30 Troubleshooting If your dealer may have the 25 MHz model and replaced the 80486SX...
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