Differences
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boards:sbc:sbc_v2:minimum-build [2018/07/09 10:54] b1ackmai1er [RS232 Interface] |
boards:sbc:sbc_v2:minimum-build [2019/01/20 04:25] (current) b1ackmai1er [Disk storage without ECB backplane and Disk I/O board.] |
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| * X1 (32768 Hz crystal) | * X1 (32768 Hz crystal) | ||
| * C9 (bypass capacitor) | * C9 (bypass capacitor) | ||
| - | |||
| ===== NVRAM Controller ===== | ===== NVRAM Controller ===== | ||
| Line 59: | Line 58: | ||
| {{https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/boards/sbc/sbc_v2/sbcv2-ttlserial.png?nolink&160x110}} | {{https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/boards/sbc/sbc_v2/sbcv2-ttlserial.png?nolink&160x110}} | ||
| - | |||
| ===== Component Substitution ===== | ===== Component Substitution ===== | ||
| Line 69: | Line 67: | ||
| ^Device - Jumper^Size^K1^K6^K8| | ^Device - Jumper^Size^K1^K6^K8| | ||
| ^AT29C020^256Kb|1-2|2-3|None| | ^AT29C020^256Kb|1-2|2-3|None| | ||
| + | ^AT49F040A^512Kb|1-2|2-3|2-3| | ||
| ^AT27C080^1Mb|1-2|1-2|1-2| | ^AT27C080^1Mb|1-2|1-2|1-2| | ||
| ^M27C801^1Mb|1-2|1-2|1-2| | ^M27C801^1Mb|1-2|1-2|1-2| | ||
| - | |||
| - | \\ | ||
| - | |||
| ==== Use CMOS 74HCT or 74AHCT ICs instead of the TTL 74LS ==== | ==== Use CMOS 74HCT or 74AHCT ICs instead of the TTL 74LS ==== | ||
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| ==== Disk storage without ECB backplane and Disk I/O board. ==== | ==== Disk storage without ECB backplane and Disk I/O board. ==== | ||
| - | You can install the 8255 PPI chip, and use the [[https://retrobrewcomputers.org/n8vem-pbwiki-archive/0/35845334/35845372/35846055/index.htm|PPIDE]] mini board to connect an IDE drive or a compact flash card. | + | You can install the 8255 PPI chip, and use the [[:boards:other:ppide|PPIDE]] mini board to connect an IDE drive or a compact flash card. |
| + | {{https://www.retrobrewcomputers.org/lib/plugins/ckgedit/fckeditor/userfiles/image/boards/other/ppide/on_sbcv2_2_.jpg?nolink&400x236|www.retrobrewcomputers.org_lib_plugins_ckgedit_fckeditor_userfiles_image_boards_other_ppide_on_sbcv2_2_.jpg}} | ||
