Toshiba A28001 Service Note
Publish Date: 98/01/22
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BSI No.: A28001
Subject:
ROM Upgrade
Model: TF831, TF861
Category Field Application Unit
Modification of Software (ROM) Other ROM
Factory Application: From the production of December, 1997
CONTENT
1. Reason for Modification
1)Changed the initial setting the PC I/F function to be available.
2)Improved the performance of V34 transmission.
3)Changed the country parameters for each country of Europe.
4)Corrected the problem of the phone numbers sometimes being skipped on the journal reports.
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5)Masked the charge code on the cover sheet.
6)Improved the quality of PC I/F.
7)Prohibited the collated printing on PC printing.
8)Disabled the dual access during RDC.
9)After RDC or LCD is activated, the unit is reset and the information which has been set
becomes useful.
2. Details of Modification
Unit / IC No.: Main PC board / IC3 (ROM1) and IC4 (ROM2)
ROM Version:TF831 IC3 (ROM1) 1ACWWTS1k
Check sum 745C
TF861 IC3 (ROM1) 1ABWWTS1k
Check sum 745A
TF831/TF861 IC4 (ROM2) 2AAWWTS1k
Check sum 23A2
Note: These ROMs are upgraded for the field service only and not used in the roduction.
Attached Files
None
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