test_simm30_dram
annotate README.md @ 5:7d9b129a5791
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| author | John Tsiombikas <nuclear@member.fsf.org> |
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| date | Sun, 04 Jun 2017 02:56:55 +0300 |
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| rev | line source |
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| nuclear@4 | 1 72pin SIMM DRAM tester |
| nuclear@4 | 2 ====================== |
| nuclear@4 | 3 |
| nuclear@4 | 4 Firmware for my 72pin SIMM tester written to run on an Atmel atmega644p AVR |
| nuclear@4 | 5 microcontroller. |
| nuclear@4 | 6 |
| nuclear@4 | 7 License |
| nuclear@4 | 8 ------- |
| nuclear@4 | 9 Firmware: |
| nuclear@4 | 10 Copyright (C) 2017 John Tsiombikas <nuclear@member.fsf.org> |
| nuclear@4 | 11 This program is free software. Feel free to use, modify, and/or redistribute it |
| nuclear@4 | 12 under the term of the GNU General Public License v3, or at your option any later |
| nuclear@4 | 13 version published by the Free Software Foundation. See LICENSE.firmware for |
| nuclear@4 | 14 details. |
| nuclear@4 | 15 |
| nuclear@4 | 16 Hardware: |
| nuclear@4 | 17 Copyright (C) 2017 John Tsiombikas <nuclear@member.fsf.org> |
| nuclear@4 | 18 Creative Commons Attribution Share-Alike (CC BY-SA). See LICENSE.hardware for |
| nuclear@4 | 19 details. |
| nuclear@4 | 20 |
| nuclear@4 | 21 Usage |
| nuclear@4 | 22 ----- |
| nuclear@4 | 23 Plug a 72pin SIMM, connect terminal over a serial link (RS232 or USB) and power |
| nuclear@4 | 24 up the tester. |
| nuclear@4 | 25 |
| nuclear@4 | 26 Commands: |
| nuclear@4 | 27 |
| nuclear@4 | 28 w <addr> <value> - write byte to address |
| nuclear@4 | 29 r <addr> - read byte from address |
| nuclear@4 | 30 s <addr_bits|ras_lines> <value> - override detected addr_bits/ras_lines |
| nuclear@4 | 31 t <addr> - test address |
| nuclear@4 | 32 d - detect DRAM |
| nuclear@4 | 33 h - help |