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Show new changes starting from 01:42, 28 September 2026
 
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23 September 2026

     02:51  Acorn Archimedes A540 diffhist +2,231 Josh talk contribs (Rewrite with citations from the newly hosted Acorn Archimedes 500 / R200 Service Manual and Chris Whytehead. Corrected: SCSI is a podule that occupies a slot, not on the motherboard, so all four slots are NOT free; the SCSI controller is a WD33C93A not an NCR 53C90; the FPA11 is not an A540 part. Added BT1 NiCd 1.2 V 280 mAh with the 2.8 V on IC22 pin 8 check, the MEMC part-number warning and the FPA10 price and early-card modification. Removed the unsourced oscillator frequencies, motherboar...)
     02:50  Acorn Archimedes A440 diffhist +3,993 Josh talk contribs (Rewrite with real citations from the Archimedes 440 Service Manual, the 1987 price list and Chris Whytehead. Corrected: the GBP2,644 figure is the GBP2,641.60 inc-VAT base price; the R140 drive is 60 MB not 52-53 MB and it cost GBP3,500 ex VAT; measured A440 performance is 4.56 MIPS. Added the two AA alkaline backup cells with Acorn part numbers and the 1.4 V per cell check. Removed stripped-citation prose and unsourced 18 MIPS / 43 MB claims. Fixed red links.)
     02:49  Acorn Archimedes A420 diffhist +3,193 Josh talk contribs (Rewrite with real citations. Added the AA alkaline backup battery, the Acorn Universal Board part number, ports, measured benchmarks and the serial-number/badge mismatch warning. Removed stripped-citation prose and the unsourced MEMC1a performance claim. Fixed red links.)
     02:49  Acorn Archimedes A410 diffhist +4,092 Josh talk contribs (Rewrite with real citations from Acorn A400/1 and R140 Service Manual, Acorn 1987 price list and Chris Whytehead. Separated the never-sold 1987 A410 from the 1989 A410/1. Added the AA alkaline backup battery (not NiCd) with the annual-replacement spec. Corrected the ARM3 MIPS figures to measured values; removed stripped-citation prose, the unsourced first-scalable-fonts claim and the generalised in-service-to-1999 claim. Fixed red links.)
N    02:43  Acorn Archimedes 500 Series and R200 Series Service Manual diffhist +1,974 Josh talk contribs (Create documentation page for newly hosted Acorn service documentation (verification drive))
N    02:43  Archimedes 440 Service Manual diffhist +1,697 Josh talk contribs (Create documentation page for newly hosted Acorn service documentation (verification drive))
     02:42 Upload log Josh talk contribs uploaded File:Acorn A400-1 and R140 Service Manual.pdf (Acorn service documentation from the Chris's Acorns archive; verification drive)