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EPSON AMERICA, INC.

Product Support Bulletin

Subject:

Common Questions and Answers for the Epson Endeavor 486C Computers

Date: 10/08/93

PSB No: S-0164

Page(s): 1 of 10

Originator: MTD

GENERAL

Q1. What is the Epson Endeavor 486C computer?

A.

The Epson Endeavor 4SX/25C, 4DX/33C and 4DX2/50C represent an enhancement to
the new Endeavor family of entry-level computer products. Along with an affordable

price, the new Endeavor series offers Intel™ i486™ processing power and upgrade
solutions for a wide range of computing applications. In addition to the performance
that these systems offer, users will appreciate the convenience of a small footprint, and
complete system integration. Key features include:

Choice of Intel 486SX/25, 486DX/33 or 486DX2/50 processor

Built-in math coprocessor (4DX/33 and 4DX2/50); math coprocessor support in the

4SX/25 model

Intel OverDrive

TM

 Support (4SX/25 and 4DX/33)

Zero Insertion Force (ZIF) socket for easy processor upgrades

8KB internal cache (built-in CPU)

0KB SRAM secondary cache installed on main system board;

upgradable up to 256KB using 8KB or 32KB SRAM (optional)

Small-footprint case incorporates
- Four ISA 16-bit option slots (three full-length, one third-length)
- Three drive bays; two external, one internal
- Built-in Super VGA video support
- Two serial, Bi-directional Parallel, Mouse and Keyboard ports
- Built-in floppy and IDE hard drive controller/interface

Choice of 120MB Quantum, 170MB Conner or 240MB Quantum Hard

Disk Drive

Summary of Contents for Endeavor 486C

Page 1: ...04 Cirrus GD5442 Video chip 512KB Upgradeable to 1 MB External VGA port provided on rear of unit Epson Professional Series VGA monitor A804241 2 Operating Systems Microsoft DOS Version 6 2 Microsoft Windows Version 3 1 Microsoft DOS was loaded in a default mode 3 Windows Installation Microsoft Windows Version 3 1 installed Express Setup Microsoft Recommended installation routine used for the insta...

Page 2: ...48 bytes in each allocation unit 51033 total allocation units on disk 10470 available allocation units on disk 655360 bytes total memory 532080 largest executable program size 6 AUTOEXEC BAT file information ECHO OFF SET BLASTER A220 I5 D1 H5 P330 T6 SET SOUND C SB16 C SB16 SB16SET M 220 VOC 220 CD 220 MIDI 220 LINE 220 TREBLE 0 C SB16 SBCONFIG EXE S C WINDOWS SMARTDRV EXE X PROMPT p g PATH C WIND...

Page 3: ... IS1 closed IRQ5 8 bit DMA channel DAS0 open DAS1 closed Channel 1 16 bit DMA channel DBS0 closed DBS1 closed Channel 5 Joystick port JYEN closed Enabled Audio Output Amp OPSL pins 2 3 closed Audio amplified internally OPSR pins 2 3 closed no external amp needed These settings can be found in the GETTING STARTED manual that comes with the product The system uses a Matsushita model CR 563 B CD ROM ...

Page 4: ...e default configuration The Sound card passed all of the tests listed below 2 operator FM Music 4 Operator FM Music 8 Bit Sound 16 Bit Sound The CD ROM files are copied to the hard disk drive by an INSTALL EXE utility on the disk 1 The routine will modify the AUTOEXEC BAT and CONFIG SYS files Upon completion the user is prompted to re boot the system so that the changes can take effect To install ...

Page 5: ...k Ok This Product Support Bulletin was specifically generated to address concerns about compatibility of the Sound Blaster Kit in this system running under DOS 6 0 As documented the system is fully functional in that operating environment Concern was also expressed about using the DOS 6 0 memory manager EMM386 EXE Various packages that must run in expanded memory were tested and experienced no err...

Page 6: ... 30174E HDC Integrated on Main Logic Board Video Integrated on Main Logic Board External VGA port provided on rear of unit Display Epson Professional Series VGA monitor 2 Operating Systems Microsoft DOS Version 6 0 Microsoft Windows Version 3 1 provided with Progression 4 in shipping box 3 Windows Installation Microsoft Windows Version 3 1 installed Express Setup Microsoft Recommended installation...

Page 7: ...uffer 64K bytes Photo CD Compatibility Multisession Photo CD Single session Photo CD 7 Audio Section Sampling Frequency 44 1 kHz Quantifying Bit Number 16 bit linear Number of Channels 2 Frequency Response 20Hz through 20kHz Dynamic Range 80dB S N Ratio 90dB Total Harmonic Distortion 0 05 Channel Separation 65dB 1kHz 8 General Specifications Power Supply 5V 0 55A 12V 1 0A Dimensions WxHxD 14 9 x 4...

Page 8: ...sk 36806 available allocation units on disk 655360 bytes total memory 616176 largest executable program size 10 Autoexec bat file information c type autoexec bat C FUSION16 MSCDEX EXE D MVCD001 M 10 E V L D LH L 1 56928 C DOS MOUSE LH L 0 1 42384 S C WINDOWS SMARTDRV EXE ECHO OFF PROMPT p g PATH C WINDOWS C DOS C FUSION16 SET TEMP C DOS SET BLASTER a220 d1 i7 t3 C 11 Config sys file information c ...

Page 9: ...iguration information You pick the sound card you are going to use Soundblaster Compatible the DMA channel DMA 5 and whether to use Expanded Memory Yes if you want digital voice output Wing Commander is started by typing WC2 Ultima Underworld is started by typing UW For Windows applications installation installs Pocket Recorder files to the Windows sub directory Pocket Recorder is available from t...

Page 10: ...k 4 CD Version WingCommander II defective CD media 5 CD Version Underworld The Stygian Abyss Ok 6 DOS Version Eye of the Beholder II Ok 14 Company Address Media Vision Inc 1385 Laurelview Court Fremont CA 94538 Phone 510 770 8600 MISC 800 638 2807 Technical Support MAIN 800 348 7116 BBS 510 770 0527 300 14 1 baud 8 bits no parity 1 stop bit FAX 510 770 8648 ...

Page 11: ...print and complete system integration Key features include l Choice of Intel 486SX 25 486DX 33 or 486DX2 50 processor l Built in math coprocessor 4DX 33 and 4DX2 50 math coprocessor support in the 4SX 25 model l Intel OverDrive TM Support 4SX 25 and 4DX 33 l Zero Insertion Force ZIF socket for easy processor upgrades l 8KB internal cache built in CPU l 0KB SRAM secondary cache installed on main sy...

Page 12: ...t for this computer A The Epson Endeavor 4SX 25C 4DX 33C and 4DX2 50C computers are targeted at the following markets l Home office and small business users seeking maximum performance at today s low prices l Work at home users who need an efficient and cost effective system that s compatible with all their business software l Businesses in search of a low cost network node that can handle current...

Page 13: ...86 CPUs and a built in 8KB cache For system flexibility the built in CPU cache can be disabled via SETUP The i486DX 33 and DX2 50 CPUs contains an on chip numeric coprocessor to increase the speed of floating point operations This coprocessor is backward compatible with the 387DX and 387SX math coprocessors and complies to ANSI IEEE standard 754 1985 Q6 What processor upgrades are available in the...

Page 14: ...he operating system There are two pages of setup information STATUS PAGE System Date and Time Floppy Drive Type Selection A B 360K 1 2M 720K 1 44M and None HDD Drive Type Selection C D Type Number or User Defined Video Type Not Installed CGA80 VGA PGA EGA CGA40 and Mono System Speed Fast Slow Boot Sequence Drive A C or C A Floppy Seek Enable Disable Virus Protection Enabled Disabled OPTIONS PAGE S...

Page 15: ... IBM VGA display standards What type of RAM chips are used to upgrade the video memory to a full 1MB on the Epson Endeavor 486C computer Increasing the Epson Endeavor 486C series computer s video memory requires four 256K x 4 bit 70ns 20 pin DRAM ZIP Zig zag lnline Package chips These chips install on the computer s main logic board in sockets VM00 VM01 VM02 and VM03 To ensure compatibility we hav...

Page 16: ... 16 777 216 1MB 1 MB memory required 800 x 600 32 768 1MB 800 x 600 65 536 1MB 1024 x 768 16 1MB 1024 x 768 256 1MB 1024 x 768 256 1MB Note indicates a Hi Color mode and indicates True Color mode Q12 What software video drivers are provided with the Epson Endeavor 486C computer There are two diskettes included that feature video drivers for many popular software programs and also include video uti...

Page 17: ... system board These sockets accept 1 MB 4MB or 16MB SIMMs Optional SlMMs may be purchased to increase the computer s memory up to a maximum of 36MB NOTE The SlMMs used must be 70ns or faster 32 or 36 bit 72 pin fast page mode type Q14 What are the valid system memory configurations for the Epson Endeavor 486C computer A The following table shows the possible SIMM configurations for the Epson Endea...

Page 18: ...y There are ten CACHE sockets on the main system board These sockets accept 8KB or 32KB SRAM chips installed in the sockets of BANK0 and BANK1 BANK0 must be filled before BANK1 The SRAM type used for sockets U15 and U16 must match the type installed in the banks Cache size Bank 0 Bank 1 U15 U16 0KB 32KB 4x8KB 0 1x8KB 1x8KB 64KB 4x8KB 4x8KB 1x8KB 1x8KB 128KB 4x32KB 0 1x32KB 1x32KB 256KB 4x32KB 4x8K...

Page 19: ... AS7C256 15PC 15 ns Winbond W24257AK 15 Samsung KM68257BP 15 U17 20 56 59 Micron Alliance Winbond MT5C42568 15 AS7C256 20PC W24256 7 AK 20 20ns UMC Samsung Micron UM61256 20 KM68257BP 20 MT5C42568 15 Build To Order Q16 What are installable options from Epson RAM VIDEO RAM SRAM CHOICE OF FDD s CHOICE OF HDD s TBU FAX MODEM SCANNER I F MULTI MEDIA SCSI I F ...

Page 20: ...s tested and approved as Novell NetWare Workstations with the following Novell products Netware v2 2 NetWare 3270 LAN Workstation v2 0 Netware v3 11 OnLAN PC v1 3 Netware Lite v1 1 NetWare Link 64 v1 1 DR DOS v6 0 NetWare Link T1 v1 1 Novell Print Server v1 21 NetWare Link X 25 v1 00 Netware Access Server v1 3 NetWare Asyn Remote Router v1 2a LAN Workplace for DOS v4 01 NetWare Asyn Comm Server v3...

Page 21: ...ft key lock and or keyboard lockup In some rare cases improper keyboard timing may cause intermittent system boot failure See ECN No EQ386 33 001 2 5 93 ENDEAVOR EQUITY 4 VER PART DESC TYPE LOC REASON 1 149A AWARD 27C010 U8 INITIAL RELEASE ENDEAVOR 486C VER PART DESC TYPE LOC REASON 053193 1017670 AMI 27C010 U8 INITIAL RELEASE EL 486 UC VER PART DESC TYPE LOC REASON 1 01 451 7010 201 PHOENIX 27C01...

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