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boards:sbc:sbc_v2:sbc_v2-005:development [2021/02/26 23:33]
b1ackmai1er [SBC V2-005 Development]
boards:sbc:sbc_v2:sbc_v2-005:development [2021/03/29 06:55] (current)
b1ackmai1er
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   * Board constructed.   * Board constructed.
   * Testing …   * Testing …
 +  * Complete
  
 To do: To do:
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       * <​del>​4Mhz works.</​del>​       * <​del>​4Mhz works.</​del>​
       * 10Mhz <​del>​flakey</​del> ​ works.       * 10Mhz <​del>​flakey</​del> ​ works.
 +      * Running daily with 12Mhz.
 +      * Speeds as fast as 20Mhz reported working with F and AHCT parts and 55ns RAM/ROM YMMV.
       * **Complete.**       * **Complete.**
   * * Developing Flash4 update to support 1Mb write.   * * Developing Flash4 update to support 1Mb write.
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 Gerbers for sbc-v2-005i {{:​boards:​sbc:​sbc_v2:​sbc_v2-005:​sbc_v2-005i-gerbers.zip|here.}} Gerbers for sbc-v2-005i {{:​boards:​sbc:​sbc_v2:​sbc_v2-005:​sbc_v2-005i-gerbers.zip|here.}}
- 
  
 ====== Flash Programming ====== ====== Flash Programming ======
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 When the routines are being used by an application then all routines can be relocated to high memory and remain there. When the routines are being used by an application then all routines can be relocated to high memory and remain there.
- 
  
 ====== Circuit Description ====== ====== Circuit Description ======
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 {{https://​www.retrobrewcomputers.org/​lib/​plugins/​ckgedit/​fckeditor/​userfiles/​image/​boards/​sbc/​sbc_v2/​sbc_v2-005/​sbc_v2-005-logic.png?​nolink&​640x381}} {{https://​www.retrobrewcomputers.org/​lib/​plugins/​ckgedit/​fckeditor/​userfiles/​image/​boards/​sbc/​sbc_v2/​sbc_v2-005/​sbc_v2-005-logic.png?​nolink&​640x381}}
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 ====== Flash Filesystem ====== ====== Flash Filesystem ======
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 Then rebuild and update your existing flash BIOS as described under [[:​boards:​sbc:​sbc_v2:​sbc_v2-005#​boot_rom_installation|Boot ROM Installation]] and [[:​boards:​sbc:​sbc_v2:​sbc_v2-005#​flash_programming|Flash Programming]]. Then rebuild and update your existing flash BIOS as described under [[:​boards:​sbc:​sbc_v2:​sbc_v2-005#​boot_rom_installation|Boot ROM Installation]] and [[:​boards:​sbc:​sbc_v2:​sbc_v2-005#​flash_programming|Flash Programming]].
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 ====== Xmodem Flash Updater ====== ====== Xmodem Flash Updater ======
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 The Xmodem Flash Updater is supplied as a User ROM. To install, overwrite the current userrom.asm stub file with the updater.asm file. Then rebuild and update your existing flash BIOS as described under [[:​boards:​sbc:​sbc_v2:​sbc_v2-005#​boot_rom_installation|Boot ROM Installation]] and [[:​boards:​sbc:​sbc_v2:​sbc_v2-005#​flash_programming|Flash Programming]]. The Xmodem Flash Updater is supplied as a User ROM. To install, overwrite the current userrom.asm stub file with the updater.asm file. Then rebuild and update your existing flash BIOS as described under [[:​boards:​sbc:​sbc_v2:​sbc_v2-005#​boot_rom_installation|Boot ROM Installation]] and [[:​boards:​sbc:​sbc_v2:​sbc_v2-005#​flash_programming|Flash Programming]].
  
-An 8Mhz or faster CPU clock is required to keep up with the default 38400 baud rate. Clock speeds as low as 2Mhz can be used if the baud rate is lowered to 9600 baud. The development build of ROMWBW has been extended to allow baud rates to be changed from the boot menu using the __Set Console Interface__ option.+An 8Mhz or faster CPU clock is required to keep up with the default 38400 baud rate. Clock speeds as low as 2Mhz can be used if the baud rate is lowered to 9600 baud. The development build of ROMWBW has been extended to allow baud rates to be changed from the boot menu using the __Set Console Interface__ ​ option. 
 <​code>​ <​code>​
   I <u> [<c>] - Set Console Interface/​Baud code   I <u> [<c>] - Set Console Interface/​Baud code
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 Baud rate codes are: Baud rate codes are:
  
-{{:​boards:​sbc:​sbc_v2:​sbc_v2-005:​83c9a7bb595c6ae9c686ae8b2e1ad2cd.png}}+[[https://​www.retrobrewcomputers.org/​lib/​exe/​detail.php?​id=boards:​sbc:​sbc_v2:​sbc_v2-005:​development&​media=boards:​sbc:​sbc_v2:​sbc_v2-005:​83c9a7bb595c6ae9c686ae8b2e1ad2cd.png|{{:​boards:​sbc:​sbc_v2:​sbc_v2-005:​83c9a7bb595c6ae9c686ae8b2e1ad2cd.png}}]]
  
  
boards/sbc/sbc_v2/sbc_v2-005/development.txt · Last modified: 2021/03/29 06:55 by b1ackmai1er
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