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boards:sbc:cpu280:start [2019/08/11 02:25]
trick-1 [Builder's Notes/Comments]
boards:sbc:cpu280:start [2019/08/11 23:55] (current)
trick-1 [Builder's Notes/Comments]
Line 76: Line 76:
 I found the Jumpers zip file in the forum threads and have uploaded it here. Gives a very good description of what each one does. I found the Jumpers zip file in the forum threads and have uploaded it here. Gives a very good description of what each one does.
  
 +Note: If you bridge Jumper 7 then it will force the CPU280 into setup mode.
 +
 +**Floppy Drive**
 +
 +I connected a PC 3.5" FDD to the CPU280 using a straight through cable.
 +
 +Drive B: is the first connector
 +
 +Drive A: is the second connector
 +
 +in the CPU280 Setup I used the following configuration
 +
 +A: 3.5" HD, 80 tracks, double-sided\\
 +B: 3.5" HD, 80 tracks, double-sided
 +
 +**Sample Configuration Options (J7 Jumpered)**
 +
 +\\
 +CPU280 Boot Loader V1.2 RBC 8-Mar-2017\\
 +http://​www.retrobrewcomputers.org\\
 +based on Cold Loader Program V1.13 TR 950314\\
 +Press DEL to run SETUP.\\
 +2048k RAM ok
 +
 +1. Disk Drives\\
 +2. Interfaces\\
 +3. Other\\
 +0. Exit (Reboot)\\
 +--> 1
 +
 +      actual values:\\
 +      A: 5.25" DD, 80 tracks, double-sided\\
 +      B: 5.25" DD, 80 tracks, double-sided\\
 +      C: ---\\
 +      D: ---
 +
 +      1. Drive A:\\
 +      2. Drive B:\\
 +      3. Drive C:\\
 +      4. Drive D:\\
 +      0. back\\
 +      --> 1\\
 +              0. no drive\\
 +              1. 3.5" DD\\
 +              2. 3.5" HD\\
 +              3. 8"\\
 +              4. 5.25" HD 360\\
 +              5. 5.25" DD\\
 +              6. 5.25" HD 300/360\\
 +              --> 2\\
 +              0. 40 tracks\\
 +              1. 80 tracks\\
 +              --> 1\\
 +              0. single sided\\
 +              1. double sided\\
 +              --> 1
 +
 +      actual values:\\
 +      A: 3.5" HD, 80 tracks, double-sided\\
 +      B: 5.25" DD, 80 tracks, double-sided\\
 +      C: ---\\
 +      D: ---
 +
 +      1. Drive A:\\
 +      2. Drive B:\\
 +      3. Drive C:\\
 +      4. Drive D:\\
 +      0. back\\
 +      --> 2\\
 +              0. no drive\\
 +              1. 3.5" DD\\
 +              2. 3.5" HD\\
 +              3. 8"\\
 +              4. 5.25" HD 360\\
 +              5. 5.25" DD\\
 +              6. 5.25" HD 300/360\\
 +              --> 2\\
 +              0. 40 tracks\\
 +              1. 80 tracks\\
 +              --> 1\\
 +              0. single sided\\
 +              1. double sided\\
 +              --> 1
 +
 +      actual values:\\
 +      A: 3.5" HD, 80 tracks, double-sided\\
 +      B: 3.5" HD, 80 tracks, double-sided\\
 +      C: ---\\
 +      D: ---
 +
 +      1. Drive A:\\
 +      2. Drive B:\\
 +      3. Drive C:\\
 +      4. Drive D:\\
 +      0. back\\
 +      --> 0
 +
 +1. Disk Drives\\
 +2. Interfaces\\
 +3. Other\\
 +0. Exit (Reboot)\\
 +--> 3
 +
 +      actual values:\\
 +      Memory 0k, Daylight Saving disabled, Boot A:, Chain *
 +
 +      1. Memory Size\\
 +      2. Daylight Saving\\
 +      3. Boot Drive\\
 +      4. Drive Search Chain\\
 +      0. back\\
 +      --> 1\\
 +              Memory: 0=512k, 1=1M, 2=2M, 3=4M --> 3
 +
 +      actual values:\\
 +      Memory 4096k, Daylight Saving disabled, Boot A:, Chain *
 +
 +      1. Memory Size\\
 +      2. Daylight Saving\\
 +      3. Boot Drive\\
 +      4. Drive Search Chain\\
 +      0. back\\
 +      --> 3\\
 +              Boot Drive: A..P (Q=EPROM) --> Q
 +
 +      actual values:\\
 +      Memory 4096k, Daylight Saving disabled, Boot Q:, Chain *
 +
 +      1. Memory Size\\
 +      2. Daylight Saving\\
 +      3. Boot Drive\\
 +      4. Drive Search Chain\\
 +      0. back\\
 +      --> 0
 +
 +1. Disk Drives\\
 +2. Interfaces\\
 +3. Other\\
 +0. Exit (Reboot)\\
 **Sample Boot Output** **Sample Boot Output**
  
boards/sbc/cpu280/start.txt · Last modified: 2019/08/11 23:55 by trick-1
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