PSP1.5变回10的方法？？
ps2dev.org上的几个黑客设计出一种装置“lflash”，通过这一装置可以强制性的通过PSP的I/O设备进入到PSP内的32M闪存，并打开其读写通道，也就是说，理论上可以通过这套设备对PSP的系统文件进行读写操作虽然目前尚未证实，但也许可以通过这种方式将1.0的FIRMWARE写入其中
Iflash: device dumped
Vampire over at PS2Dev has dumped the lflash device on his v1.0 PSP and it seems that there are four fat-12 partitions on it:
0x00000000...0x017FC1FF (~24MB) flash0 files
0x01800000...0x01BFC1FF (~4MB) flash1 files
0x01C00000...0x01CFC1FF (~1MB) no files
0x01D00000...0x01DEC1FF (~1MB) no files
Today loser over at PSDev found out a new device name called lflash: which gives you block access to all 32 megs of the flash. It also opens the device with read/write access.
Good News: Downgrading your firmware to v1.0 seems a lot more doable. My guess is in the next several days we will see something to downgrade PSP firmware. Then Sony will make a patch so this can’t happen any more.
Bad News: Someone could write to your PSP's flash making it into a doorstop (unless the Good news above is made then it should be fairly easy to repair.)
Here are some other ones if you are interested:
flash0: - fat access - system file volume
flash1: - fat access - configuration file volume
ms0: - fat access - memcard
fatms: fat access to memstick
isofs: fat access to umd
irda?: block access to irda port (doesnt support seeking), (? = any number - 0-9)
mscm0: block access to memstick (doesnt support seeking)
mscm?: error 0x80220081 (? = any number - 1-9)
umd00: block access to umd
umd01: block access to umd
umd0?: error 0x80010013 (? = any number 2-7)
umd??: error 0x8001B002 (?? = any number 08-99) 今天升明天降，你们累不累？ 有什么累？
想升就升
需要降就降有什么不对？ 随心所欲才是最高境界... 这种东西弄不好破坏性挺大的。 要玩PSP游戏的时候升,要玩模拟器的时候降.累啊. 也就1分钟不到可以了，累什么 封了……这种东西，只有PC专业技术人才才可以去研究……
这里面涉及到的都是PC上的HEX等专业知识，在这里面能看懂的不多，极小极小……几乎为0。
其他人也不要去想了。
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