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27 September 2026
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10:51 | BBC Micro Model B+ 2 changes history −104 [Josh (2×)] | |||
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10:51 (cur | prev) −100 Josh talk contribs (Remove red links to pages that do not exist on this wiki) | ||||
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10:51 (cur | prev) −4 Josh talk contribs (Fix dead infobox image: BBC_Micro_Front_Restored.jpg has never existed on this wiki; use the hosted B+ photograph) | ||||
| 10:50 | Acorn Atom diffhist +12 Josh talk contribs (Remove emoji from section headings; de-duplicate ref definitions that produced visible cite errors; merge the duplicated References section; targeted corrections noted in the drive report) | ||||
| 10:50 | Acorn Electron diffhist +12 Josh talk contribs (Remove emoji from section headings; de-duplicate ref definitions that produced visible cite errors; merge the duplicated References section; targeted corrections noted in the drive report) | ||||
| 08:59 | Capacitor Failure Symptoms diffhist +80 Josh talk contribs (Link the documentation page for each cited manual, keeping the File: link as the direct download) | ||||
25 September 2026
| 08:54 | Capacitor Failure Symptoms diffhist +1,692 Josh talk contribs (P4 verification: add worked examples of ESR-rise and RIFA failure from the two hosted Pina books, with the U.S./International designator warning) | ||||
| 02:31 | BBC Micro Model A/B diffhist +288 Josh talk contribs (Link the R. B. Coats BBC BASIC textbook and label it plainly as third-party with no hardware content) | ||||
| 02:31 | BBC Micro Model B+ diffhist +546 Josh talk contribs (Link Acorn's B+ user guide and name its hardware appendices - it was reachable from no article) | ||||
24 September 2026
| 22:59 | Acorn System 1 Technical Manual diffhist +1,927 Josh talk contribs (Real documentation page: contents with page numbers, board numbers 200,000 and 200,001, the three separate parts lists and why configuration matters, and the honest gap that the circuit diagrams are loose sheets held separately) | ||||
| N 21:31 | Template talk:Navbox-AcornComputers diffhist +984 Josh talk contribs (Explain the navbox-unwritten convention and how to restore an entry when its page is written) | ||||
| 21:30 | Template:Navbox-AcornComputers diffhist +766 Josh talk contribs (Render entries with no page as plain text rather than red links (48 greyed, 0 restored) - every page transcluding this navbox inherited its red links) | ||||
23 September 2026
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02:58 | Acorn Archimedes A5000 3 changes history −6,493 [Josh (3×)] | |||
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02:58 (cur | prev) −1 Josh talk contribs (Rename section heading to avoid reading as an edit changelog) | ||||
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02:56 (cur | prev) −4 Josh talk contribs (Replace infobox image reference that pointed at a file not hosted on this wiki with one that is) | ||||
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02:54 (cur | prev) −6,488 Josh talk contribs (Rewrite. Removed fabricated content: the VIDC20 variant and its comparison table (no A5000 ever had VIDC20), the Dallas DS1287 battery, the 30-pin SIMM table, the Dhrystone and competitor benchmark tables, the MTBF/failure-rate table, the ~25,000 units production figure, the 60 percent education share, the invented manufacturing-history and display-mode tables, the ARM3 cache and power figures and the Tesco scheme claims. Corrected: launch price is GBP999 (1 MB) and GBP1,499 (2 MB/40 MB WITH...) | ||||
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02:56 | Acorn Archimedes A3000 2 changes history +6,978 [Josh (2×)] | |||
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02:56 (cur | prev) +23 Josh talk contribs (Replace infobox image reference that pointed at a file not hosted on this wiki with one that is) | ||||
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02:53 (cur | prev) +6,955 Josh talk contribs (Rewrite with citations from the hosted Acorn A3000 Service Manual, the Acorn APP227 brochure and the PCW July 1989 review. Added the B1 NiCd 1.2 V 280 mAh soldered cell with Acorn test points LK6/LK7 and the IC6 pin 8 check, the unused base battery compartment and LK5, the mini-podule power limits, and the chip codenames. Removed the unsupported 10-15 percent MEMC1a claim and the unsourced education price, Learning Curve and Jet Set bundle prices, Dixons/John Lewis/Alders and 500-machine LEA...) | ||||
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02:56 | Acorn Archimedes A310 2 changes history +6,509 [Josh (2×)] | |||
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02:56 (cur | prev) +64 Josh talk contribs (Replace infobox image reference that pointed at a file not hosted on this wiki with one that is) | ||||
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02:47 (cur | prev) +6,445 Josh talk contribs (Rewrite with real citations. Corrected launch price from GBP999 to GBP875 ex VAT per Acorn 1987 price list (GBP999 was the A305 with colour monitor). Removed stripped-citation Wikipedia prose and the unsupported 10 percent MEMC1a claim; replaced marketing MIPS figures with measured ones. Added sourced C37-C39 tantalum detail from Acorn component-level parts list.) | ||||
| 02:56 | BBC Micro Model A/B diffhist +6,307 Josh talk contribs (Rewrite against the hosted BBC Microcomputer Service Manual (Oct 1985). Corrected: ULA is Uncommitted not Unified and there are two (video 5C094 IC6, serial 2C199 IC7); mode 2 has 16 logical colours not 8; modes 0,1,4,5 are 32 text rows not 25; modes 3 and 6 are text-only; there are no ROM cartridge slots, only four internal sideways ROM sockets; ROM is 16K MOS plus 16K language plus four paged sockets, not 32K total; cassette is 300 or 1200 baud. Removed unsourced dimensions, weight and 7-oc...) | ||||
| 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.) | ||||
| 02:46 | Acorn Archimedes A305 diffhist +904 Josh talk contribs (Rewrite against Acorn 300-series service manual, component-level supplement and 1987 price list. Removed fabricated SIMM memory table, invented power-draw and benchmark tables, invented PCB revision history, invented display-mode memory table, invented OS memory table, the 60%-of-sales claim, the unsourced Fairway codename and wrong dimensions. Corrected: battery is two AA alkaline cells not a 3.6 V NiCd; two podule slots not four; A310 price is GBP875 not GBP999; memory is 16 x 4464 DRAM not...) | ||||
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02:15 | Capacitor Failure Symptoms 2 changes history +12,684 [Josh (2×)] | |||
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02:15 (cur | prev) −40 Josh talk contribs (Remove self-referential wording per house rule) | ||||
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02:07 (cur | prev) +12,724 Josh talk contribs (Rewrite with full citations (Nichicon CAT.8101H hosted here, Vishay 40110, KEMET F3011): corrected 60 Hz hum to twice mains frequency, corrected bulging mechanism to Nichicon gas generation, added missing film/X2 suppression section, added tantalum derating 60-50 percent, added Class II ceramic DC-bias behaviour, replaced Japanese-brand rule with no-datasheet-no-purchase, replaced IPA-only cleanup with Nichicon soap-and-water plus never acidic/alkaline, replaced reforming folklore with Nichic...) | ||||