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DRAW. NO. CUST
TITLE
DESCRIPTIONDESIG.DATE
Year 2000 issue of OPEN CNC
-76040E
1
Year 2000 Issue of Open CNC [2]
1. Outline
There is possibility that Year 2000 issue occurs on the FANUC open CNC system with the old type
MMC-IV or the Intelligent Terminal type 1.
This report describes how to distinguish the possibility of Year 2000 issue and countermeasure this
issue.
2. How to Distinguish
2.1. MMC-IV
Following MMC-IVs have possibility that Year 2000 issue occurs. This isuue doesn’t occur with BIOS
version 1.32, that is next version of 1.11, and after.
Order specifications: A02B-0207-J001
A02B-0207-J002
PCB specification: A02B-0207-C020
A02B-0207-C021
A02B-0207-C022
Date of exfactory: from Jan. 1994 to Dec. 1994
BIOS version: 1.11 and former
Number of exfactory: about 70 systems
It is possible to confirm the BIOS version on the startup screen. The BIOS version is displayed at 8
th
line as follows. Please take care that there are similar numbers at other lines on this screen. Check
that the 7
th
line is "Fujitsu Ltd.”, too.
Startup screen
xxxxxxxxx
xxxxxxxxx
xxxxxxxxx
xxxxxxxxx
xxxxxxxxx
xxxxxxxxx
Fujitsu Ltd.
BIOS Version: 1.11 ("FMV-4xxN Version 1.34" is displayed on version 1.34)
01 98.08.26
Kumakura
First issue. Kumakura
02 99.07.28 Nishi
1-(Modified part of [2]), 3 - 21 / 21
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