Specifications

Product Support Bulletin
Subject:
Equity I+ “FILE CREATION ERROR” Update
Date: 6/7/89
PSB No: S-0045A
Page:
1 of 1
Originator: REM
b
The purpose of this bulletin is to update you on a hardware problem that existed
on some Equity I + computers manufactured in the spring of 1988.
Systems Affected:
Equity I + systems with AGENA boards P/N Y144210000 below revision # 05, in
the serial number range of 061222 to 85778 and between serial numbers 90846 -
91065 and 92846 -
93601, manufactured from 3/88 through 5/88 using Siemens
manufactured 8088 - 1 microprocessor chips with date codes of 8705, 8715, 8733,
8737, 8741 and 8578 may exhibit this problem.
Note: Not all systems included in the above configuration exhibited this problem.
Problem Symptoms:
- The “FILE CREATION ERROR” message occurs when attempting to copy
files at the 10MHz speed.
The error does not occur at 4.77MHz.
- Directory creation fails on an FDD or HDD (File size indicates 0 Bytes).
Corrective Action:
Replace the faulty 8088 - 1 microprocessor chip only on an as needed basis if
systems exhibit the described problem. Replacement CPU chips will be provided
by Epson Service under warranty.
Note:
In 5/88 the Equity I + AGENA board CPU clock signal was modified to
allow correct operation with all Siemens CPU chips. The AGENA board
was updated to Rev. 05.
The revision number is located on the
AGENA board following the board part number - Y14421000005. Please
refer to ECN# EQI +
-003 for details of the AGENA board modification.
It is not necessary to replace the AGENA board.
Contact Epson Parts Services and order replacement part # X400080885.
This part can be warranty pre- shipped. Return the defective Siemens
8088 - 1 microprocessor chip to Epson as a regular warranty claim.
Warranty Reimbursement for this upgrade is $35.00.