Field Change Order Index ~~~~~~~~~~~~~~~~~~~~~~~~ Related Product FCO No. Date of Issue Reason For Issue A300 Series, E009 1st February 1988 RGB sync levels to low A300 Series, A440 E011 1st October 1987 Reduce video noise A440 2000 15th March 1988 Winchester circuitry improvements A300 Series, A440 2002 19th September 1988 Spurious Parallel 'Line Feed' problem A300 Series, A440 2003 27th September 1988 Serial Port problems A410/1 2007 1st July 1989 2nd floppy drive problem A310, A440 2008 6th September 1989 FPA and SCSI MEMC1a requirement Econet Level III 2009 29th January 1990 *DATE does not work after 01/01/90 R140 2010 31st May 1990 Screen flicker with High-Res mono. Acorn I/O Podule 2011 23rd February 1990 Hard Disc crash problems FileStore E01, E01s 2014 1st June 1990 Crash during Logoff problems and add Broadcast Loader compatibility BBC Master 128 2015 28th March 1990 System ROM Upgrade socket missing A420/1, AKD52 2016 18th May 1990 Low read/write reliability on systems subject to an electrically noisy environment FileStore E01s 2017 1st October 1990 Intermittent data transfer errors A440,A420/1,AKD52 2019 17th August 1990 New 20MByte Hard Disc format details. FileStore E01 2020 28th August 1990 Bi-phase network clock is 180 degrees out of phase with clocks generated by Econet Clock boxes or E01s FileStores A300/A400 Series, R140 2022 1st October 1991 Problems driving VGA Monitors A3000 2023 2nd July 1991 Addition of rigid PSU cover BBC Master 128 2024 1st June 1991 Introduction of membrane keyboard Issue 1 SCSI (AKA30) 2025 15th April 1992 Mod for CDFS ROM Upgrade Econet Clock Box 2026 16th April 1992 Intermittent loss of communication or slow data transfer A3010, A3020, A4000 2028 23rd November 1992 Intermittent 'power up' failure when an expansion card is fitted A3020 2029 23rd November 1992 Keyboard country code set incorrectly A3020, A4000 2030 23rd November 1992 Genlock expansions do not work correctly A540,R260,R225 2031 5th February 1993 MEMC synchronisation does not always work correctly A30x0,A4000,A5000,A4 2032 9th March 1993 Covers possible problems with the ID chip fitted to these machines. A5000 2033 13th March 1993 Covers possible problems with the ID chip fitted to these machines. AEH54, Ether 3 Cards 2035 2nd September 1993 Noise problems AGB22, AGB23 2036 12th July 1994 DRAM capacitance Risc PC 600 2038 12th July 1994 LK14 may be missing