Discussions

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  🙌

  Backplate with SD card for Mechtrum DLX case

  Mr-JimmyDeath started Jan 4, 2026 in Show and tell

  

  

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  Feasibility of monochrome hi-res (512x192) mode

  anarsoul asked Dec 8, 2023 in Q&A · Unanswered

  

  

  

  

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  💬

  Which common spectrum interfaces work over the output bus?

  MarlosRob started Jul 1, 2025 in General

  

  

  

  

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  Sizif-512 Rev. D1 WLAN problems

  digitalmexer started Mar 26, 2025 in General

  

  

  

  

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  problem with launch sizif-512 rev E.1

  mkosterin asked Jun 24, 2025 in Q&A · Closed · Unanswered

  

  

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  Can Sizif fit in a Spectrum Plus case? Or any other recommandation?

  JohnFante22 started Jul 12, 2024 in General

  

  

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  rev. E1 din-cinch video distortion

  pgo-sk started Jun 5, 2025 in General

  

  

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  ZX Sizif reboots in 128k basic mode with Divmmc selected.

  oO-cozy-Oo asked Dec 16, 2024 in Q&A · Unanswered

  

  

  

  

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  Sound during I/O activity

  AtomicRPM asked Mar 27, 2025 in Q&A · Answered

  

  

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  Modified rom.rev.E

  AtomicRPM started Mar 28, 2025 in General

  

  

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  💡

  ULN2803A instead of 8 x 2SA1175 transistors?

  AtomicRPM started Mar 28, 2025 in Ideas

  

  

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  Magic button fail?

  N4N0-pa asked Jun 16, 2024 in Q&A · Unanswered

  

  

  

  

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  Dark video out with wrong aspect ratio - Help!

  raerek asked Jan 2, 2025 in Q&A · Unanswered

  

  

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  Which EPM1270T144 to buy?

  mczero80 started Nov 30, 2024 in General

  

  

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  #️⃣

  Wiring a Power Switch

  Big-the-Fat started Nov 11, 2024 in PCB Build

  

  

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  Z80 NMOS 8MHz instead of Z84C0020?

  LuckStilon started Aug 26, 2024 in General

  

  

  

  

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  Full documentation on Sizif 512

  oO-cozy-Oo started Sep 9, 2022 in General

  

  

  

  

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  [FIXED] SD Card failure (not detected!?)

  arleybls started Jul 8, 2024 in General

  

  

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  New compatible peripheral interface - Timex Interface for FDD3000

  tarhim started Aug 1, 2024 in General

  

  

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  RTC for Sizif-512

  LuckStilon started Jul 17, 2024 in General

  

  

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  💬

  Picture stuttering

  JohnFante22 started Jun 20, 2023 in General

  

  

  

  

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  How to update firmware

  JohnFante22 started Oct 4, 2022 in General

  

  

  

  

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  Starting bdi-zx ver. 2.0 for Sizif512k

  tuFFo126 started Apr 16, 2024 in General

  

  

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  1024kB RAM posible? unused bit d3 #dffd?

  tuFFo126 started Mar 16, 2024 in General

  

  

  7
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  Firmware 20230820 possible bug

  doperst2 started Mar 14, 2024 in General

  

  

  

  

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