User Manual
Page 14
... drives and two internal drives. Additionally, the computer supports up to further accelerate performance. These interfaces allow you have the 25 MHz model or the 50 MHz model (with built-in math coprocessor), your computer can access programs and data very quickly... adapter and VGA drivers support extended graphics resolutions up to both models, except where specified. Introduction You've chosen a powerful, versatile Epson@ computer, ideally suited for installing additional devices, such as a high-performance personal workstation. Whether you to the computer. Your computer ...
... drives and two internal drives. Additionally, the computer supports up to further accelerate performance. These interfaces allow you have the 25 MHz model or the 50 MHz model (with built-in math coprocessor), your computer can access programs and data very quickly... adapter and VGA drivers support extended graphics resolutions up to both models, except where specified. Introduction You've chosen a powerful, versatile Epson@ computer, ideally suited for installing additional devices, such as a high-performance personal workstation. Whether you to the computer. Your computer ...
User Manual
Page 15
...model and want to speed up to the memory card, you have your computer's 80486SX microprocessor chip replaced with your authorized Epson dealer for information on optional equipment. Optional Equipment You can easily upgrade your MS-DOS or other operating system manuals for...®, or XENIX®. If you can run another operating system, such as Microsoft WindowsTM 3.0 (or later), with an 80487SX, 25 MHz chip. This optional microprocessor includes a built-in certain application programs, you can expand the computer's memory up mathematical calculations in math coprocessor.
...model and want to speed up to the memory card, you have your computer's 80486SX microprocessor chip replaced with your authorized Epson dealer for information on optional equipment. Optional Equipment You can easily upgrade your MS-DOS or other operating system manuals for...®, or XENIX®. If you can run another operating system, such as Microsoft WindowsTM 3.0 (or later), with an 80487SX, 25 MHz chip. This optional microprocessor includes a built-in certain application programs, you can expand the computer's memory up mathematical calculations in math coprocessor.
User Manual
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...computer the type of printers; If you are not sure which one is Centronics® compatible and uses a DB-25S connector. To connect a printer or other peripheral device to the computer. Epson offers a full range of monitor you are turned off. 2. Setting Up Your System 1-7 Once you have two ... primary monitor type. If you have installed your video card, return to this section to connect your dealer for instructions on your Epson dealer. Once you have the correct printer cable, follow these interfaces, follow the instructions below. If you install one or more information.
...computer the type of printers; If you are not sure which one is Centronics® compatible and uses a DB-25S connector. To connect a printer or other peripheral device to the computer. Epson offers a full range of monitor you are turned off. 2. Setting Up Your System 1-7 Once you have two ... primary monitor type. If you have installed your video card, return to this section to connect your dealer for instructions on your Epson dealer. Once you have the correct printer cable, follow these interfaces, follow the instructions below. If you install one or more information.
User Manual
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Connect the other end of the parallel port (marked with a special icon); 3. If the plug has retaining screws, be sure to the printer, as shown below . One end of the printer port. 1-8 Setting Up Your System then insert it into the port, as shown below . To secure the cable, squeeze the clips at each side of the printer cable has a 25-pin, D-shell connector. Position the plug to match the orientation of the cable to tighten them. 4.
Connect the other end of the parallel port (marked with a special icon); 3. If the plug has retaining screws, be sure to the printer, as shown below . One end of the printer port. 1-8 Setting Up Your System then insert it into the port, as shown below . To secure the cable, squeeze the clips at each side of the printer cable has a 25-pin, D-shell connector. Position the plug to match the orientation of the cable to tighten them. 4.
User Manual
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... it to low or set to operate at high speed (where it can operate at high speed, the TURBO indicator on the front panel is 25 MHz or 50 MHz (depending on your application program manual. To change the setting for almost everything you do unless you are using an application...
... it to low or set to operate at high speed (where it can operate at high speed, the TURBO indicator on the front panel is 25 MHz or 50 MHz (depending on your application program manual. To change the setting for almost everything you do unless you are using an application...
User Manual
Page 78
You should use the COPY or EDLIN command, a text editor, or a word processing program that you may find particularly useful is 25 MHz or 50 MHz (depending on your model) and low speed simulates an 8 MHz processor speed. To modify the file or replace it in the ...
You should use the COPY or EDLIN command, a text editor, or a word processing program that you may find particularly useful is 25 MHz or 50 MHz (depending on your model) and low speed simulates an 8 MHz processor speed. To modify the file or replace it in the ...
User Manual
Page 104
... Options You can enhance the performance of your computer by installing SIMMs rather than memory installed on the memory card in math coprocessor (for the 25 MHz model).
... Options You can enhance the performance of your computer by installing SIMMs rather than memory installed on the memory card in math coprocessor (for the 25 MHz model).
User Manual
Page 105
..., option slots, and any of the options mentioned above, you . You need to remove the cover from the computer. If you have the 25 MHz model and you want to change jumper settings or install any other components you may be damaged if this procedure is not performed correctly..., you must have an authorized Epson dealer or Service Center do it for instructions. 6-2 Installing and Removing Options In addition, you'll find an illustration of option cards, or ...
..., option slots, and any of the options mentioned above, you . You need to remove the cover from the computer. If you have the 25 MHz model and you want to change jumper settings or install any other components you may be damaged if this procedure is not performed correctly..., you must have an authorized Epson dealer or Service Center do it for instructions. 6-2 Installing and Removing Options In addition, you'll find an illustration of option cards, or ...
User Manual
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Main System Board As you follow the instructions in this chapter and in Chapter 7, use the illustration below to locate the necessary components on your main system board. supply connectors JP5 JP9 JP6 JP10 JP11 JP12 JP13 JP14 JP15 * 25 MHz system only icroprocessor connector diskette drive connector (FDD) drive connector (HDD) Installing and Removing Options 6-3 parallel port ^^_:-I --A VGA monitor port \ keyboard port , (CN2) a option slots l-4 lbl IWI lull I 1 37 power w-
Main System Board As you follow the instructions in this chapter and in Chapter 7, use the illustration below to locate the necessary components on your main system board. supply connectors JP5 JP9 JP6 JP10 JP11 JP12 JP13 JP14 JP15 * 25 MHz system only icroprocessor connector diskette drive connector (FDD) drive connector (HDD) Installing and Removing Options 6-3 parallel port ^^_:-I --A VGA monitor port \ keyboard port , (CN2) a option slots l-4 lbl IWI lull I 1 37 power w-
User Manual
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..., you must set a group of jumpers to indicate the amount of memory you may need to alter the way it operates, you now have the 25 MHz model and you had your 80486SX microprocessor chip replaced with a 80487SX chip, you must set jumpers JP1, JP2, and JP3 to indicate a new microprocessor...
..., you must set a group of jumpers to indicate the amount of memory you may need to alter the way it operates, you now have the 25 MHz model and you had your 80486SX microprocessor chip replaced with a 80487SX chip, you must set jumpers JP1, JP2, and JP3 to indicate a new microprocessor...
User Manual
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NMI signal 80486SX installed; FERR signal * Factory setting; FERR signal 80486SX installed; NMI signal 80487SX installed; these jumpers are not used for alternate 25 MHz microprocessor Jumper number Jumper setting Function JP2 A B* 80487SX installed; Jumper settings for base memory Base memory Jumper JP13 640KB A' 512KB B 256KB B l Factory setting Jumper settings for extended memory Jumper JP14 A' A B l Factory setting Jumper settings for the 50 MHz microprocessor 6-6 Installing and Removing Options
NMI signal 80486SX installed; FERR signal * Factory setting; FERR signal 80486SX installed; NMI signal 80487SX installed; these jumpers are not used for alternate 25 MHz microprocessor Jumper number Jumper setting Function JP2 A B* 80487SX installed; Jumper settings for base memory Base memory Jumper JP13 640KB A' 512KB B 256KB B l Factory setting Jumper settings for extended memory Jumper JP14 A' A B l Factory setting Jumper settings for the 50 MHz microprocessor 6-6 Installing and Removing Options
User Manual
Page 164
..., relocate the computer to reset the power supply logic. 2. Make sure there is space around your system for at room temperature (about 78°F or 25°C). After you correct the problem causing the overheating, allow the computer to see if you removed the computer's cover, replace it off again, contact...
..., relocate the computer to reset the power supply logic. 2. Make sure there is space around your system for at room temperature (about 78°F or 25°C). After you correct the problem causing the overheating, allow the computer to see if you removed the computer's cover, replace it off again, contact...
User Manual
Page 180
... tests. See your printer. Also see what customizing may need to see your printer with application programs. 7. If it from the MS-DOS level. Troubleshooting B-25 Try running the Parallel port (printer interface) diagnostic test if you have a parallel printer, or the Serial port (RS-232C) test if you may be...
... tests. See your printer. Also see what customizing may need to see your printer with application programs. 7. If it from the MS-DOS level. Troubleshooting B-25 Try running the Parallel port (printer interface) diagnostic test if you have a parallel printer, or the Serial port (RS-232C) test if you may be...
User Manual
Page 185
... to make sure you set jumpers JP1 through JP3 to indicate that you have installed the math coprocessor incorrectly. Contact your dealer may have the 25 MHz model and replaced the 80486SX microprocessor with an 80487SX chip, make sure the math coprocessor is listed as installed on your Reference diskette. B-30...
... to make sure you set jumpers JP1 through JP3 to indicate that you have installed the math coprocessor incorrectly. Contact your dealer may have the 25 MHz model and replaced the 80486SX microprocessor with an 80487SX chip, make sure the math coprocessor is listed as installed on your Reference diskette. B-30...
User Manual
Page 199
...selection through jumpers; SIMMs must be replaced with optional 80487SX chip Clock/calendar Real-time clock, calendar, and 50-byte CMOS RAM; on 25 MHz model, 80486SX microprocessor can be 80ns (or faster) access speed ROM 128KB (includes system and VGA BIOS) Shadow RAM 0 wait ...state access speed; memory expandable using 256KB or 1MB SIMMs up to 16MB (maximum); battery backup Cache controller 82385 (25 MHz) standard Specifications D-1 automatically copies both ROM BIOS and video ROM into RAM Math coprocessor Standard for 80486DX2/50, 50 MHz speed is...
...selection through jumpers; SIMMs must be replaced with optional 80487SX chip Clock/calendar Real-time clock, calendar, and 50-byte CMOS RAM; on 25 MHz model, 80486SX microprocessor can be 80ns (or faster) access speed ROM 128KB (includes system and VGA BIOS) Shadow RAM 0 wait ...state access speed; memory expandable using 256KB or 1MB SIMMs up to 16MB (maximum); battery backup Cache controller 82385 (25 MHz) standard Specifications D-1 automatically copies both ROM BIOS and video ROM into RAM Math coprocessor Standard for 80486DX2/50, 50 MHz speed is...
User Manual
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...over 640 x 480 15-pin D-shell connector RS-232C, programmable, asynchronous; 9-pin, D-shell connector Standard 8-bit parallel, monodirectional; 25-pin, D-shell connector D-2 Specifications controller on main system board Supports up to 640 x 480 pixels in 256 colors; interface on main system...inch, double-density, 360KB; 3Winch, high-density, 1.44MB; non-interlaced mode only; supports up to two drives; also supports optional Epson tape drive; Cache RAM Speaker Controllers Diskette Hard disk Interfaces Monitor Serial Parallel 32KB high-speed static RAM, two-way set associative on ...
...over 640 x 480 15-pin D-shell connector RS-232C, programmable, asynchronous; 9-pin, D-shell connector Standard 8-bit parallel, monodirectional; 25-pin, D-shell connector D-2 Specifications controller on main system board Supports up to 640 x 480 pixels in 256 colors; interface on main system...inch, double-density, 360KB; 3Winch, high-density, 1.44MB; non-interlaced mode only; supports up to two drives; also supports optional Epson tape drive; Cache RAM Speaker Controllers Diskette Hard disk Interfaces Monitor Serial Parallel 32KB high-speed static RAM, two-way set associative on ...
User Manual
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... of symbols for representing data or instructions. A sequence or group of eight bits that stores information from base or extended memory where your computer to 25 lines of text with 80 characters on the page or the screen; Cache memory A high-speed type of low-power silicon chip. A type of memory...
... of symbols for representing data or instructions. A sequence or group of eight bits that stores information from base or extended memory where your computer to 25 lines of text with 80 characters on the page or the screen; Cache memory A high-speed type of low-power silicon chip. A type of memory...
User Manual
Page 214
In this computer, the 50 MHz model includes a built-in math coprocessor and the 25 MHz model can be upgraded with an 80487SX chip with built-in math coprocessor. Key disk A diskette containing a copy-protected program that connects two pins ...
In this computer, the 50 MHz model includes a built-in math coprocessor and the 25 MHz model can be upgraded with an 80487SX chip with built-in math coprocessor. Key disk A diskette containing a copy-protected program that connects two pins ...
User Manual
Page 215
Memory The area where your computer operates at 25 MHz or 50 MHz and can simulate an 8 MHz operating speed. Glossary 11 One megabyte equals 1024KB. A memory module is one color, such as green ...
Memory The area where your computer operates at 25 MHz or 50 MHz and can simulate an 8 MHz operating speed. Glossary 11 One megabyte equals 1024KB. A memory module is one color, such as green ...