acorncomputers
Differences
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acorncomputers [2018-01-06 23:21] – tim | acorncomputers [2018-01-31 16:28] – tim | ||
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* No Econet module. | * No Econet module. | ||
- | BBC Master 128 (01-AMB15-0011778) | + | <del>BBC Master 128 (01-AMB15-0011778) |
* No PSU | * No PSU | ||
Line 21: | Line 21: | ||
* Keyboard missing " | * Keyboard missing " | ||
* Keyboard has damaged ribbon cable | * Keyboard has damaged ribbon cable | ||
- | * OS ROM appears upgraded with a stacked socket (VLI / 551 VM 9481 / 231024-1028 / 0201,843-0 / Acorn / SING-T) | + | * OS ROM appears upgraded with a stacked socket (VLI / 551 VM 9481 / 231024-1028 / 0201,843-0 / Acorn / SING-T)</ |
BBC Model B (Hacklab asset #27) | BBC Model B (Hacklab asset #27) | ||
- | * Issue 7 | + | * Fully working |
- | * fully working | + | * Issue 7 board |
- | * Composite video connector not fitted | + | * 8271 disk controller |
- | * Trailing patch wire on motherboard (not connected to anything) | + | * Econet |
- | * No Econet | + | * ROMs: OS 1.20, BASIC, DNFS 1.21, Wordwise |
- | * OS and BASIC ROMs only | + | * PSU capacitors replaced 2018-01. |
- | * No screws | + | * Case in good condition. Clean and intact, minor scuffs only. |
- | * Case: yellowed, dirty, faint marker pen, ROM slot open, clear keystrip chipped and broken (repaired with tape) | + | |
- | BBC Model B (Hacklab asset #21) | + | <del>BBC Model B (Hacklab asset #21) |
* Issue 7 | * Issue 7 | ||
Line 41: | Line 40: | ||
* WE 32K RAMCARD | * WE 32K RAMCARD | ||
* ROM fitted: 1770 DFS | * ROM fitted: 1770 DFS | ||
- | * ROM fitted: WE 3K RAM | + | * ROM fitted: WE 32K RAM |
* No Econet | * No Econet | ||
* No keyboard | * No keyboard | ||
- | * Not working (motherboard known to be faulty) | + | * Not working (motherboard known to be faulty)</ |
Accessories | Accessories | ||
* Microvitec CUB 1451, serial number 128754, metal/cube, working, dirty, missing one case screw | * Microvitec CUB 1451, serial number 128754, metal/cube, working, dirty, missing one case screw | ||
- | * Microvitec CUB 1451/DS4, serial number 272506, plastic | + | * <del>Microvitec CUB 1451/DS4, serial number 272506, plastic</ |
* RGB cable - 2m moulded, new | * RGB cable - 2m moulded, new | ||
* RGB cable - 1m DIY | * RGB cable - 1m DIY | ||
* RGB cable - 1m DIY | * RGB cable - 1m DIY | ||
- | * Watford Electronics dual 5.25" floppy drives in monitor plinth | + | * Watford Electronics dual 5.25" floppy drives in monitor plinth |
+ | * Stag SE15 PROM eraser [Al] | ||
- | Parts | + | <del>Parts |
* Model B keyboard 21242 - no keys, some missing switches | * Model B keyboard 21242 - no keys, some missing switches | ||
* Model B keyboard 12252 - all keys present, some track damage and repairs, bent connector | * Model B keyboard 12252 - all keys present, some track damage and repairs, bent connector | ||
- | * Model B keyboard 05042 - all keys present, reasonable condition but untested, ribbon cable included | + | * Model B keyboard 05042 - all keys present, reasonable condition but untested, ribbon cable included</ |
Box 1 | Box 1 | ||
Line 89: | Line 89: | ||
* Model B keyboard ribbon cable | * Model B keyboard ribbon cable | ||
* 5.25" floppy drive mechanism (marked "Do not use, I eat discs" | * 5.25" floppy drive mechanism (marked "Do not use, I eat discs" | ||
- | * Watford Electronics single 5.25" floppy drive (computer-powered) | + | * Watford Electronics single 5.25" floppy drive (computer-powered) |
- | * Watford Electronics dual/ | + | * Watford Electronics dual/ |
Box 2 | Box 2 | ||
Line 143: | Line 143: | ||
[[http:// | [[http:// | ||
+ | |||
+ | ===== Todo ===== | ||
+ | |||
+ | * Decide what to keep | ||
+ | * Clean the ones that we keep | ||
+ | * Fixes to the kept Model B: | ||
+ | * Remove stray jumper wire | ||
+ | * Re-fit composite video connector | ||
+ | * Swap broken clear keystrip with other Model B | ||
+ | * Consider 1770 upgrade (take from other Model B) | ||
+ | * Fit Econet to kept computers | ||
+ | * Test floppy drives | ||
+ | |||
+ | Keep: | ||
+ | |||
+ | * one BBC Master (the one that's working) | ||
+ | * one BBC Model B (the one that's working) | ||
+ | * single 5.25" floppy drive | ||
+ | * 6502 Second Processor (they' | ||
+ | * 1 CUB monitors (the one with the classic boxy metal case) | ||
+ | * a few books | ||
+ | |||
+ | Dispose of: | ||
+ | |||
+ | * Non-working BBC Master | ||
+ | * Non-working BBC Model B | ||
+ | * floppy-drive/ | ||
+ | * 1 CUB monitor | ||
+ | |||
===== See Also ===== | ===== See Also ===== | ||
We're going to build an [[econet]]. | We're going to build an [[econet]]. | ||
acorncomputers.txt · Last modified: 2023-06-18 20:02 by tim