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boards:sbc:6x0x-atx-6u:start [2015/10/27 03:20]
admin old revision restored (2015/10/27 03:18)
boards:sbc:6x0x-atx-6u:start [2016/06/17 03:45] (current)
tor WDC is Western Design Center, not Western Digital. WD never made 65C02.
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-====== Introduction ======+====== ​6x0x-ATX-6U ​Introduction ======
  
-The ECB 6x0x-ATX/6U (VME) board is a single board computer supporting the Motorola 6809, 6802, and MOS Technologly 6502, all at 2 Mhz . In addition to the processor, ROM, and RAM, this board includes all peripherals required for stand-alone operation including serial, parallel, Propeller-driven video output/​keyboard input, and SD card storage. The board layout supports mounting in a standard ATX case and use of a standard ATX power supply connection, as well as attachment to other N8VEM peripheral cards via an ECB connector, in which case the board can fit in a 6U/VME chassis. Prototype testing has been completed and a first run of production Revision 2.00-013 boards are currently in fabrication.+The ECB 6x0x-ATX-6U (VME) board is a single board computer supporting the Motorola 6809, 6802, and MOS Technologly 6502, all at 2 Mhz . In addition to the processor, ROM, and RAM, this board includes all peripherals required for stand-alone operation including serial, parallel, Propeller-driven video output/​keyboard input, and SD card storage. The board layout supports mounting in a standard ATX case and use of a standard ATX power supply connection, as well as attachment to other N8VEM peripheral cards via an ECB connector, in which case the board can fit in a 6U/VME chassis. Prototype testing has been completed and a first run of production Revision 2.00-013 boards are currently in fabrication.
  
 This board is intended as a replacement for the previous set of 3 N8VEM 6x9x Host Processor, IO Mezzanine, and Bus Bridge cards with a single comprehensive design. This board is intended as a replacement for the previous set of 3 N8VEM 6x9x Host Processor, IO Mezzanine, and Bus Bridge cards with a single comprehensive design.
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 ===== Pictures ===== ===== Pictures =====
  
-==== Completed Production Board (6502 / DOS/65 Configuration) ====+==== Completed Production Board (6502/​DOS/​65 Configuration) ====
  
-{{:​sbc:​6x0x-atx-6u:​6502dos65-jumpers.jpg?​640}}+{{boards:​sbc:​6x0x-atx-6u:​6502dos65-jumpers.jpg?​640}}
  
-==== Completed Production Board (6809 / Flex9 Configuration) ====+==== Completed Production Board (6809/Flex9 Configuration) ====
  
-{{:​sbc:​6x0x-atx-6u:​6809flex9-jumpers.jpg?​640}}+{{boards:​sbc:​6x0x-atx-6u:​6809flex9-jumpers.jpg?​640}}
  
 ==== Production PCB Revision 2.00-013 Front Solder Mask ==== ==== Production PCB Revision 2.00-013 Front Solder Mask ====
  
-{{:​sbc:​6x0x-atx-6u:​6x0x-6u-013-frontsoldermask.jpg?​640}}+{{boards:​sbc:​6x0x-atx-6u:​6x0x-6u-013-frontsoldermask.jpg?​640}}
  
 ====== Specifications ====== ====== Specifications ======
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 ==== Production PCB Revision 2.00-013 ==== ==== Production PCB Revision 2.00-013 ====
  
-{{:​sbc:​6x0x-atx-6u:​printing_ecb_6x0x-6u-013-sch.pdf|Schematics Revision 2.00-013}}+{{boards:​sbc:​6x0x-atx-6u:​printing_ecb_6x0x-6u-013-sch.pdf|Schematics Revision 2.00-013}}
  
-{{:​sbc:​6x0x-atx-6u:​printing_ecb_6x0x-6u-013-sch.pdf|Board Layer Plots Revision 2.00-013}}+{{boards:​sbc:​6x0x-atx-6u:​printing_ecb_6x0x-6u-013-sch.pdf|Board Layer Plots Revision 2.00-013}}
  
 ===== Memory Management Unit ===== ===== Memory Management Unit =====
  
-For a detailed description of the Memory Management Unit operation, see [[http://n8vem-sbc.pbworks.com/​w/​file/​70362853/​Colossus.pdf|Colossus.pdf]] +For a detailed description of the Memory Management Unit operation, see {{boards:sbc:​6x0x-atx-6u:​colossus.pdf|Collossus.pdf}}
 ===== Input/​Output Ports ===== ===== Input/​Output Ports =====
  
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 ===== IC Selection Notes ===== ===== IC Selection Notes =====
  
-Rockwell/​CMD and Western ​Digital ​6502 CPUs have slight differences in pinout. The board was designed for Rockwell/​CMD 6502 in order to make it compatible with 6802 processors. To use a Western ​Digital ​W65C02S6TPG-14 simply obtain an extra 40 pin DIP machine pin socket, snip off pin 36, and solder a jumper from pin 35 to pin 36. Insert the WDC 6502 into the modified socket and insert the stack into the board. Details are available in the google group in a post on 2014-07-31 by AG5AT. The post by Ian May on 2014-08-01 details several other differences between Rockwell and WDC chips.+Rockwell/​CMD and Western ​Design Center ​6502 CPUs have slight differences in pinout. The board was designed for Rockwell/​CMD 6502 in order to make it compatible with 6802 processors. To use a Western ​Design Center ​W65C02S6TPG-14 simply obtain an extra 40 pin DIP machine pin socket, snip off pin 36, and solder a jumper from pin 35 to pin 36. Insert the WDC 6502 into the modified socket and insert the stack into the board. Details are available in the google group in a post on 2014-07-31 by AG5AT. The post by Ian May on 2014-08-01 details several other differences between Rockwell and WDC chips.
  
 As designed the board uses MAX232 level shifters which require 1 uF charge pump capacitors. MAX232A can operate with 0.1 uF charge pump capacitors. If you want to install 0.1 uF caps instead of 1.0 uF caps, the ten caps to change are C44 C45 C46 C47 and C48 for the propeller serial port, and C90 C91 C94 C95 C96 for the ACIA serial port. As designed the board uses MAX232 level shifters which require 1 uF charge pump capacitors. MAX232A can operate with 0.1 uF charge pump capacitors. If you want to install 0.1 uF caps instead of 1.0 uF caps, the ten caps to change are C44 C45 C46 C47 and C48 for the propeller serial port, and C90 C91 C94 C95 C96 for the ACIA serial port.
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 ===== 6502 CPU ===== ===== 6502 CPU =====
  
-[[http://n8vem-sbc.pbworks.com/​w/​file/​73686950/​DOS65-6x0x(Colossus)-QUICKSTART.zip|DOS65-6x0x(Colossus)-QUICKSTART.zip]] - A distribution of the DOS/65 operating system and associated Propeller firmware for the 6x0x-ATX/6U board configured with the 6502 CPU. Note that there are two versions of the Propeller firmware, "​ParPortPropFullColor.eeprom"​ is a full-color terminal using a 1280×1024 tile driver; "​ParPortPropOriginal.eeprom"​ is an alternate version for older monitors using a different Propeller drive. (Updated July 27 2014)+{{boards:sbc:6x0x-atx-6u:dos65-6x0x_colossus_-quickstart.zip|}} - A distribution of the DOS/65 operating system and associated Propeller firmware for the 6x0x-ATX/6U board configured with the 6502 CPU. Note that there are two versions of the Propeller firmware, "​ParPortPropFullColor.eeprom"​ is a full-color terminal using a 1280×1024 tile driver; "​ParPortPropOriginal.eeprom"​ is an alternate version for older monitors using a different Propeller drive. (Updated July 27 2014)
  
-[[http://n8vem-sbc.pbworks.com/​w/​file/​83392051/​DOS65-072714.zip|DOS65-072714.zip]] ​- This packages contains the sources, build scripts, etc for the distribution above. (Updated July 27 2014)+{{boards:sbc:​6x0x-atx-6u:​dos65-072714.zip|}} - This packages contains the sources, build scripts, etc for the distribution above. (Updated July 27 2014)
  
 ===== 6809 CPU ===== ===== 6809 CPU =====
  
-[[http://n8vem-sbc.pbworks.com/​w/​file/​83394157/​6x0x_flex9_27072014.zip|6x0x_flex9_27072014.zip]] ​- A distribution of the Flex9 operating system for the 6x0x-ATX/6U board configured with the 6809 CPU. (Updated July 27 2014)+{{boards:sbc:6x0x-atx-6u:6x0x_flex9_27072014.zip|}} - A distribution of the Flex9 operating system for the 6x0x-ATX/6U board configured with the 6809 CPU. (Updated July 27 2014)
  
 ====== Modifications ====== ====== Modifications ======
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 |06/20/2014 |2.00-013 |First run of production boards. Fabrication via PCBCART and distribution by Andrew Bingham; 65 boards in production run | |06/20/2014 |2.00-013 |First run of production boards. Fabrication via PCBCART and distribution by Andrew Bingham; 65 boards in production run |
  
-====== ​  ​======+====== ​File Listing ​======
  
-\\+{{filelist>:​boards:​sbc:​6x0x-atx-6u:​*.*&​style=table&​tableheader=1&​tableshowdate=1&​tableshowsize=1}}
  
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boards/sbc/6x0x-atx-6u/start.1445930448.txt.gz · Last modified: 2015/10/27 03:20 by admin
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