Field Change Order: 2020
Date of Issue     : 28th August 1990
Applicable to     : FileStore E01

Reason for Issue:
Design error: Bi-phase network clock is 180 degrees out of phase with clocks
generated by Econet Clock Boxes and E01S FileStores. Consequently the system
fails to recognise the presence of an external clock (when these are
installed in larger networks). This can cause unreliable network data
transfer. 

Types Affected: 
All Product.

M Series (AEH26 - 0354,002)
C Series (AFH26 - 0354,000)
   
Description of Change:
On COMPONENT side of PCB: Cut 2 tracks -
IC26 pin 14 to SK10 pin4
IC26 pin 15 to SK10 pin 5

On SOLDER side of PCB : link as follows - 
IC26 pin 14 to SK10 pin 5
IC26 pin 15 to SK10 pin4

Claim Procedure:
Following completion of the field change order instructions, service
engineers should fill out a service report clearly stating the serial no. of
the host unit, the FCO no. (above), and claim the FCO credit rate (below)
for labour charges. Any replaced components should be wrapped to ensure safe
carriage and returned with the service report. Acorn will verify the
information and, process the claim for labour charges and issue any
replacement components as necessary. 

Rework Doc. Reference: 
FCO 2020 

Credit Rate: 
£16.00 (Sixteen)

Special Instructions: