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EPSON AMERICA, NC.

Product Support Bulletin

Subject: Epson Progression Flash BIOS Upgrade Procedure

Date: 04/02/93

Page(s): 1 of 1

This bulletin provides the correct procedure for upgrading the flash BIOS in the

Progression computer. BIOS version 1-06.1.05 (106105.EXE) will be used as an

example.

'1)

Download the latest flash BIOS version from the Epson BBS. This may be

found in the BIOS file library and and will typically use the BIOS version as the

filename (i.e. 106105) and will either be a compressed file (ZIP) or a self-

extracting compressed file (.EXE).

Create a "clean" MS-DOS boot floppy

the hidden system files and COMMAND.COM - no AUTOEXEC.BAT or

CONFIG.SYS files.

Extract the BIOS files to the boot floppy - for example, 106105

file)

PKUNZIP 106105.ZIP A:.

(50106105.EPS), the flash loader program (FLASHLDR.EXE) and the language

support files (*.LNG) on the boot floppy.

Reboot the system with the boot floppy in drive A. At the A: prompt, type the

command

file and the language. Before the flash ROM is erased, FLASHLDR will prompt

with the messsage "Are you sure you want to do this (Y/N)?", so you can abort

at the last second if necessary. If you reply "Y", FLASHLDR will erase the flash

ROM contents and the reprogram with the updated BIOS file. On completion,

FLASHLDR will prompt you to remove the diskette before it reboots the system.

At reboot, verify that the BIOS version displayed matches the last six digits of

the filename, as in 1.06.1.05.

This should create the BIOS file

and press Enter. Follow the prompts to select the BIOS

FLASHLDR

PSB No: S-0154

Originator: MWT

/S). It should contain only

(FORMAT A:

EPSON

or (for a .ZIP