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发表于 2011-7-10 17:34:33
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本帖最后由 lch 于 2011-7-10 17:53 编辑
计算器装好电池,按HOME+ENTER+B再按ON(touchpad是Doc+Enter+2 再按ON)(这一步删除原有的BOOT2),拔掉电池。连接电脑与TTL板(此时板上的TXD、RXD因为与计算器的GND构成回路而亮起),再装上电池,(此时板上的RXD、TXD指示灯熄灭)窗口内会显示如下文本:(如果没有显示,检查线路连接!一定不能碰到其他触点,轻则显示乱码,否则无法刷机)- Boot Loader Stage 1 (1.1.8916)
- Build: 2007/4/23, 23:37:16
- Copyright (c) 2006, 2007 Texas Instruments Incorporated
- Using production keys
- Last boot progress: 0
- Clocks: CPU = 90MHz AHB = 45MHz APB = 22MHz
- Available system memory: 37292
- Checking for NAND: NAND Flash ID: Samsung K9F5608Q0C
- SDRAM memory test: Pass
- Clearing SDRAM...Done.
- Clearing SDRAM...Done.
- Clearing SDRAM...Done.
- Boot option: Normal
- Loading BOOT2 software...
- Error reading/validating BOOT2 image (这句话说明BOOT2已损坏)
- Error loading BOOT2, looking for pre-installed images.
- Checking for DIAGS image in pre-install area.
- No DIAGS image found.
- Checking for BOOT2 image in pre-install area.
- No DIAGS image found.
- Error loading BOOT2, install new version.
- Checking battery level.
- Battery level is OK.
- Ready to download BOOT2 software...
复制代码 注意此时可以传输BOOT2,点传送菜单,选择发送文件
浏览里选择OS2.1的boot2.img。下面的协议选择Xmodem。点发送。会出现如下对话框。
- Begin XMODEM file transfer.
- Erasing old BOOT2 image.
- Updating BOOT2 image.
- BOOT2 image has been updated.
- Restarting in 2 (因连接不好产生乱码已省略)
- 这里会自动重启。
- 重启时,终端里显示:
- ?????hing image.
- /2/19, 23:19:10
- Copyright (c) 2006, 2007, 2008 Texas Instruments Incorporated
- Using production keys
- Clocks: CPU = 90MHz AHB = 45MHz APB = 22MHz
- Checking for NAND: NAND Flash ID: Samsung K9F5608Q0C
- Initializing graphics subsystem.
- yright (c) 2003-2006 Datalight, Inc.
- Datalight FlashFX Pro v3.00 Build 1358
- Nucleus Edition for ARM9
- Copyright (c) 1993-2006 Datalight, Inc.
- Patents: US#5860082, US#6260156.
- Loading Operating System...
- 100%(这里的100%会随着启动进度变化)
- 启动完成后显示
- Beginning system initialization.
- Clocks: CPU = 120 MHz AHB = 60 MHz APB = 30 MHz
- Preparing file system. This takes a while...
- POSIX layer initialized.
- POSIX "NULL" device initialized.
- POSIX "CONSOLE" device initialized.
- Datalight Reliance v2.10.1150
- Copyright (c) 2003-2006 Datalight, Inc.
- Datalight FlashFX Pro v3.00 Build 1358
- Nucleus Edition for ARM9
- Copyright (c) 1993-2006 Datalight, Inc.
- Patents: US#5860082, US#6260156.
- POSIX file system initialized.
- File system ready.
- * P1R2 mode battery door detection
- System build date: May 5 2011, 23:45:41
- Available memory: 15287324 bytes
- Purging temporary files...
- Launching system...
- Created Execution Context
- NavNet Ready.
- Creating new IME Dialog
- IME: non-ALPHA key pressed
复制代码
至此启动完成已经进入系统,现在可以刷OS2.1了。
希望这篇文章对变砖的NS修复有帮助。
感谢研究出来的国外网友,感谢参与指导的HB。
下面把国外的修复原稿放出。(注:是法文) |
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