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Epson Equity LT Product Support Bulletin
Epson Equity LT Product Support Bulletin

Epson Equity LT Product Support Bulletin

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Product Support Bulletin
Subject: Proper Method for Running Benchmark and Diagnostics Programs
Date: 06/04/93
Page(s): 1 of 1
This bulletin describes the proper method for running any benchmark or diagnostics
programs. This applies to any computer system.
In most cases, the computer should be started using an MS-DOS boot diskette
that's 'clean' - in other words, one with no CONFIG.SYS or AUTOEXEC.BAT files.
The appropriate executable can then be run, either from diskette or hard drive.
There will be some exceptions to the above rule. In attempting to benchmark or
troubleshoot any add-on that requires a device driver (CD-ROM, local area network,
etc.), obviously the necessary device driver(s) must be loaded. Also, some
programs will require a minimum number of FILES or BUFFERS to be defined in
the CONFIG.SYS file. Such programs will usually display this requirement if they
are run without the necessary CONFIG.SYS file.
For the most consistent results, use the absolute minimal boot configuration that's
allowed by the hardware being tested.
EPSON
PSB No: S-0158
Originator: MWT

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Summary of Contents for Epson Equity LT

  • Page 1 EPSON Product Support Bulletin Subject: Proper Method for Running Benchmark and Diagnostics Programs Date: 06/04/93 PSB No: S-0158 Originator: MWT Page(s): 1 of 1 This bulletin describes the proper method for running any benchmark or diagnostics programs. This applies to any computer system.
  • Page 2 (refer to PSB S- 0055) there are several usage variables that can have a significant effect on the working time. In this test, the Equity LT was configured with the 20MB hard disk drive and the EL (electroluminescent) backlit LCD and set at 10 Mhz. This is the most popular configuration and also the one that consumes the most power.
  • Page 3 San Luis Obispo, CA 93401 Phone: (805) 546 - 9713 The AdaptaPak product includes the ExtraPAK battery and AdaptaCORD. Both are required for use with the Equity LT. Epson Accessories, Inc. is considering the possibility of offering the AdaptaPAK for resale.
  • Page 5 These include: Configuration activity Battery condition Processor speed Environment Configuration One of the more popular configurations of the Equity LT is the hard disk drive model with (electroluminescent) backlit that will LCD.
  • Page 6 Processor Speed which is a low-power The Equity LT employs the NEC V30 CPU, the 10 MHz speed CMOS 8086-compatible processor. However, In fact, setting will cause it to draw somewhat more power.
  • Page 7 3 of 4 NUMBER: S-0055 PAGE: How to get the most out of the Equity LT It is possible battery charge time of to extend the working the Equity LT by following a few simple guidelines: 1) Turn the hard disk drive power OFF. For most applications,...
  • Page 8 Equity LT. Battery Watch provides the capability to: Monitor battery life (and optionally set an audible alarm) Customize installation Perform a "deep discharge" of the NiCad battery It's small (10-20KB) memory-resident program.
  • Page 9 EPSON EPSON AMERICA, INC. SERVICE RODUCT UPPORT ULLETIN PAGE: DATE: 6/1/88 PSB NO.: S-0053 1 of 1 SUBJECT: EQUITY I+/II+/III+/LT DIAGNOSTIC "EXEC failed" MESSAGE The purpose of this bulletin is to clarify the correct usage DIAGNOSTIC DISK. Many customers dealers...
  • Page 10 Product Support Bulletin Subject: Using Expanded Memory with Equity and Apex Computers PSB No: S-0047C Date: 3/2/90 Originator: KAS ‘/“p& Page: 1 of 6 What is Expanded Memory? Conventional memory, managed by MS - DOS, is limited to 640K. In response to the need for greater amounts of accessible memory, the LIM EMS (Lotus/Intel/Microsoft Expanded Memory Specification) was introduced in 1984.
  • Page 11 PSB No: S-0047C Page: 2 of 6 What about the 155Mb RAM listed as the maximum for the Equity III +? This larger amount of RAM is the maximum usable memory range for an 80286 microprocessor and generally refers to extended memory.
  • Page 12 PSB No: S-0047C Page: 3 of 6 What memory expansion boards are compatible with the Equity I and Equity II? The following boards have been tested by Epson in the Equity I and All Card w/MMU Multifunction All Computers, Inc. Quadram Corporation Liberty PC Everex Systems, Inc.
  • Page 13 What memory expansion boards are compatible with the Equity II + Q10. and Equity Ill + (10MHz models)? The following boards have been tested by Epson in the Equity II + and Equity Ill + (10MHz models): AST Research Advantage Premium...
  • Page 14 No, the option slots on the LT require a special connector. The hard drive controller and the LT cartridge modem are the only option cards currently available from Epson America. Q16. What expanded memory boards are compatible with the Apex by...
  • Page 15 (i.e. DESQview). Q20. Which Epson computers have memory settings that allow backfilling memory? The Equity I, Equity I +, Equity II + and Equity Ill + allow backfill.
  • Page 16 What is the shock resistance of the floppy and hard disk drives? Shock resistance of the FDD is as follows: Operation Non-operation Shock resistance of the HDD is as follows: Operation Read Write Non-operation Equity LT - Common Questions and Answers - Page 1 of 9...
  • Page 17 PC/XT. Can third-party option cards be installed in the LT? Since the form factor of the connectors is unique to the LT, at present only the modem and hard disk controller made by Epson can be used. an 8087 Q10.
  • Page 18 No. The LT supports a 250 KB per second transfer rate, so the 360 KB drive works fine. The 1.2 MB FDD uses a higher transfer rate and is, therefor, not compatible. Equity LT - Common Questions and Answers - Page 3 of 9...
  • Page 19 HDD at all, even if you turn it on later. Also, you will get a “1701C” after a lengthy boot-up, because the system’s CMOS configuration RAM is expecting to “find” the HDD. Equity LT - Common Questions and Answers - Page 4 of 9...
  • Page 20 What is the aspect ratio of the LCD display? The aspect ratio for both LCDs is 1:1.4. (The aspect ratio needed to obtain true circles is 1:2.4.) Equity LT - Common Questions and Answers - Page 5 of 9. _ _ _ .
  • Page 21 So occasionally let the battery pack discharge to the point that the “Low Battery” LED comes on. Equity LT - Common Questions and Answers - Page 6 of 9...
  • Page 22 Full access: "COPY a:*.* b:" or "COPY a:*.* c:" No access: No activity, including no keyboard input. FC: Full charge LB: Low battery (when "Low Battery" LED starts flashing) SD: System down Equity LT - Common Questions and Answers - Page 7 of 9_____...
  • Page 23 *2 : Backlight turned off *3 : HDD switch turned off Q37. What are the differences in the ROM BIOS between the Equity LT and the Equity I+? The differences are: The Equity LT ROM BIOS turns off the EL element of the backlit LCD if a specified time has passed without keyboard input.
  • Page 24 Finally, some applications (such as Sidekick Plus) have an option like “Black and White (for Portables)“. If so, you should select this option. Equity LT - Common Questions and Answers - Page 9 of 9...