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--- acorncomputers [2018-01-06 19:12] – tim
+++ acorncomputers [2019-01-18 23:59] – tim
@@ Line 1: / Line 1: @@
-====== Acorn Computers at the Lab ======
+====== Acorn Computers ======
-===== New Audit 2018-01 =====
+===== Inventory =====
+Following a clear-out, we now have one BBC Master and one Model B in good working order.
 BBC Master 128 (01-AMB15-0222432)
@@ Line 13: / Line 15: @@
   * No Econet module.
-BBC Master 128 (01-AMB15-0011778)
+BBC Model B (Hacklab asset #27)
+  * Fully working
+  * Issue 7 board
+  * 8271 disk controller
+  * Econet
+  * ZIF ROM socket
+  * ROMs: OS 1.20, BASIC, DNFS 1.21, Wordwise
+  * PSU capacitors replaced 2018-01.
+  * Case in good condition. Clean and intact, minor scuffs only.
+Acorn Electron (07-ALA01-0053496):
+  * Acorn Electron Plus 3 floppy module (04-ALA13-0102022)
+  * 21V power supply
+BBC Model B (02-ANB03-1004089):
+  * Untested
+Peripherals:
+  * Single 5.25" 80-track floppy drive
+  * External 6502 Second Processor
+  * Microvitec CUB 1451 monitor, serial number 128754
+  * AMX mouse
+  * STAG SE15 PROM Eraser [Al Bennett]
+Cables:
+  * Cassette DIN-7 to DIN-3 + 2.5mm remote
+  * 2x Cassette DIN-7 to DIN-7
+  * 3x Monitor RGB
+Books:
+  * BBC Microcomputer System User Guide
+  * The Advanced User Guide for the BBC Micro
+  * BBC Master Reference Manual Part One
+  * The Beginner's Programming Handbook in BASIC and Machine Code [Martin]
+Software:
+  * Acornsoft Elite (5.25" floppy)
+Other:
+  * Assorted ROMs and EEPROMs
+  * Assorted 5.25" floppies (data and blanks), cleaning kit
+Unsorted donation box containing:
+  * Joystick
+  * Assorted 5.25" floppies
+  * RGB to UHF modulator
+  * 5.25" floppy drive in enclosure
+  * 5.25" floppy drive without enclosure
+===== Stuff that we used to have =====
+<del>BBC Master 128 (01-AMB15-0011778)
   * No PSU
@@ Line 23: / Line 85: @@
   * Keyboard missing "8" key
   * 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)</del>
-BBC Model B (Hacklab asset #27)
+<del>BBC Model B (Hacklab asset #21)
-  * Issue 7
-  * fully working
-  * Composite video connector not fitted
-  * Trailing patch wire on motherboard (not connected to anything)
-  * No Econet
-  * OS and BASIC ROMs only
-  * No screws
-  * Case: yellowed, dirty, faint marker pen, ROM slot open, clear keystrip chipped and broken (repaired with tape)
-BBC Model B (Hacklab asset #21)
   * Issue 7
@@ Line 43: / Line 94: @@
   * WE 32K RAMCARD
   * ROM fitted: 1770 DFS
-  * ROM fitted: WE 3K RAM
+  * ROM fitted: WE 32K RAM
   * No Econet
   * No keyboard
-  * Not working (motherboard known to be faulty)
+  * Not working (motherboard known to be faulty)</del>
 Accessories
   * 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</del>
   * RGB cable - 2m moulded, new
   * RGB cable - 1m DIY
+  * RGB cable - 1m DIY
+  * Watford Electronics dual 5.25" floppy drives in monitor plinth - Switchable 40/80 track. Appears to work.
+  * Stag SE15 PROM eraser [Al]
-Parts
+<del>Parts
   * 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 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</del>
 Box 1
@@ Line 79: / Line 133: @@
     * R65C02P3 11450-13 8642
     * 8143 SY6502A
-  * 7-pin DIN to 3-pin DIN and 2.5mm plug (3x, unopened, for cassette recorder)
+  * 7-pin DIN to 3-pin DIN and 2.5mm plug (<del>3x</del> unopened, for cassette recorder)
   * 7-pin DIN to 7-pin DIN (2x)
   * 5-pin DIN to 3.5mm plug
-  * BBC Model B PSU, C2 capacitor replaced 2013-03-05
+  * <del>BBC Model B PSU, C2 capacitor replaced 2013-03-05</del>
   * AMX mouse
-  * Set parts from a Model B: 4 short screws, BNC connector, short wire
+  * <del>Set parts from a Model B: 4 short screws, BNC connector, short wire</del>
   * 5.25" floppy drive cleaning kit
   * 3.5" floppy disc
-  * Model B keyboard ribbon cable
+  * <del>Model B keyboard ribbon cable</del>
   * 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) - 80 track only, appears to work.
-  * Watford Electronics dual/stacked 5.25" floppy drive (computer-powered) - Belongs to Al
+  * Watford Electronics dual/stacked 5.25" floppy drive (computer-powered) - 40 track only, Belongs to Al
-------------------
+Box 2
-| Serial | Owner | Model | Spec | Status |
+  * Books (see separate list)
-| 01-AMB15-0065278 | Tim | BBC Master | Econet | Working |
+  * Assorted 5.25" floppy discs
-| 01-AMB15-0042078 | Tim | BBC Master | Econet, RetroClinic DataCentre | Working |
+  * Blank 5.25" floppy discs
-| Hacklab-22 | Tim | BBC Model B | | Faulty |
+  * Cassette recorder
-| none | Al | BBC Model B | Original box | Working |
+  * R6522P ICs (x3)
-| 01-AMB15-0222432 | Martin | BBC Master | | Working |
+  * The Hobbit (cassette for BBC Micro, Beam Software 1983)
-| Hacklab-27 | Martin/Hacklab? | BBC Model B | | |
+  * HCR Electronics Micron Plus 64K EPROM Programmer
-| 01-AMB15-0011778 | Hacklab | BBC Master | | Incomplete |
+  * Acornsoft Elite (5.25" for BBC Micro)
-| Hacklab-23 | Hacklab | BBC Model B | | |
+  * Dust cover for BBC Model B
-| Hacklab-21 | Hacklab | BBC Model B | | |
+  * Watford Electronics ROM/RAM board
+  * Watford Electronics 12 ROM board (with selection of ROMs fitted)
+  * Solidisk BBC Sideways RAM board
+  * ZIF ROM socket extension
+  * Assorted screws
+  * ZIF socket (component part only)
-===== Beebs =====
+===== Books =====
-BBC Model B (Hacklab asset 27):
+^ ISBN ^ Title ^ Author ^ Notes ^
-  * no PSU
+| 0246121033 | 21 Games for the BBC Micro | Mike James, S M Gee, Kay Ewbank |
-  * missing composite video connector
+| 0201146045 | Start Programming with the Electron | Masoud Yazdani |
-  * missing screws.
+| 0907563147 | Let Your BBC Micro Teach You To Program | Tim Hartnell |
-  * may belong to Martin
+| 0563165340 | The Book of Listings - Fun Programs for the BBC Microcomputer | Tim Harnell, Jeremy Ruston | Al |
-  * continuous tone at boot, blank screen
+| 0563165588 | BBC Microcomputer System User Guide | | Al |
+| 0563165588 | BBC Microcomputer System User Guide | | damaged |
+| - | BBC Microcomputer System Master Compact Welcome Guide | |
+| 0860822699 | 30 Hour BASIC | Clive Prigmore | Copy #1 |
+| 0860822699 | 30 Hour BASIC | Clive Prigmore | Copy #2 |
+| 0521217040 | Illustrating BASIC (A Simple Programming Language) | Donald Alcock |
+| - | BBC Microcomputer System Master Series Reference Manual Part 1 | |
+| 0946827001 | The Advanced User Guide for the BBC Microcomputer | Bray, Dickens & Holmes |
+| - | An Introduction to Wordwise Plus | Jacquetta Megarry |
+| - | Wordwise Plus Reference Manual | John Coll, Andrew Myers |
+| - | The Cumana Disk Drive Guide for the BBC Microcomputer | |
+| - | Pace Micro Technology - Disc Filing System Manual | |
+| - | The Beginner's Programming Handbook in BASIC & Machine Code | Lisa Watts, Gaby Waters | Martin |
+| 0906812216 | Easy Programming for the BBC Micro | Eric Deeson |
+| 0521277302 | A child's guide to The BBC Micro | John Dewhirst |
+| 0712603530 | Microguide for the BBC Micro | Professor Peter Morse, Brian Hancock |
+| 0003832236 | The BBC Micro Advanced Reference Guide | Bruce Smith |
+| 0408014377 | Exploiting BBC BASIC | A P Stephenson, D J Stephenson |
+| 0333262867 | Continuing BASIC | P E Gosling |
+| 0905104153 | Software Secrets - Input, Output and Data Storage Techniques | Graham Beech |
-BBC Model B (006447, Hacklab asset 23):
+===== Notes =====
-  * Donated by Stephen Giles
-  * PSU present (may be the faulty PSU awaiting replacement capacitor)
-  * <del>Watford DFS</del>
-  * <del>Solidisk 128K sideways RAM kit</del>
-  * <del>external ZIF socket</del>
-  * case dirty but no id markings
-  * keyboard missing
-  * missing RAM ICs
-BBC Model B (Hacklab asset 21): Watford 32K ramcard
+[[http://lionels.orpheusweb.co.uk/CompNyb/TechStuff/8-Bit/Master128/128BatConfig.html|How to make and install a replacement battery pack for a BBC Master]]
-  * Watford 32K sideways RAM
-  * 1770 DFS
-  * 3.5mm speaker jack
-  * 2 external switches (not connected)
-  * case dirty but no id markings
-  * donated by Stephen Giles
-  * broken: some chips missing, reports "Illegal address" at boot
-  * Issue 7 motherboard
-BBC Model B (Hacklab asset 22):
+[[http://wouter.bbcmicro.net/hardware/repair/index.html|Some debugging information]]
-  * Belongs to Al/Tim
-  * Makes continuous noise
-BBC Model B:
+===== Todo =====
-  * In box
-  * Fully working
-  * Belongs to Al, do not hack.
-BBC Master 128 (01-AMB-0011778):
+  * Decide what to keep
-  * no PSU, damaged cartridge slot
+  * Clean the ones that we keep
-  * missing "8" key
+  * 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
-BBC Master 128 (01-AMB15-0222432):
+Keep:
-  * PSU present, CMOS battery replaced in 2013
-  * Watford "Transferom" ROM
-  * case slightly marked
-  * Belongs to Martin
-===== Peripherals =====
+  * 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're rare)
+  * 1 CUB monitors (the one with the classic boxy metal case)
+  * a few books
-HCR Electronics EPROM programmer: 1MHz bus interface. (tested, not detected by the software so needs fettling)
+Dispose of:
-Dual 5.25" floppy drives with integrated monitor plinth.
+  * Non-working BBC Master
+  * Non-working BBC Model B
+  * floppy-drive/monitor-stand
+  * 1 CUB monitor
-(more peripherals to be catalogued.)
-===== Notes =====
-[[http://lionels.orpheusweb.co.uk/CompNyb/TechStuff/8-Bit/Master128/128BatConfig.html|How to make and install a replacement battery pack for a BBC Master]]
-[[http://wouter.bbcmicro.net/hardware/repair/index.html|Some debugging information]]
 ===== See Also =====
 We're going to build an [[econet]].