Search found 5 matches

by ToSHiC
Sun Feb 25, 2007 9:54 pm
Forum: PSP Development
Topic: custom bios
Replies: 10
Views: 5841

what is the KIRK? in 1.50 firmware, as i know, IPL wasn't encoded. but in 2.xx firmware it's encoded, and it's mean, that sony can update boot code in CPU. and it's possible to downgrade TA082 motherboards to 1.50, it mean that bootstrap can load decoded IPL. and i've seen on some site, that c+d tea...
by ToSHiC
Sat Feb 24, 2007 6:42 pm
Forum: PSP Development
Topic: aircrack-ng mips for PSP
Replies: 7
Views: 14998

AFAIK you need about 5-8GB of data to decrypt WEP. and connection speed is about 5-8 MBytes/s. does sundisk makes so big and fast flash cards ?:)
by ToSHiC
Sat Feb 24, 2007 6:38 pm
Forum: PSP Development
Topic: custom bios
Replies: 10
Views: 5841

but there is no need to accesss files on MS throught some file system. just direct copy of first 32M of MS to internal flash. it can be simply done using DMA, for example. i think, it's something about 200-300 bytes of code:)
by ToSHiC
Fri Feb 16, 2007 5:45 am
Forum: PSP Development
Topic: custom bios
Replies: 10
Views: 5841

because it's not software solution. with custom bootstrap you don't need to break wires on the board. by the way, may be this functionality is implemented in standart bootstrap. just imagine: sony technical support get bricked psp, insert into SM slot 32MB card with image of flash0 and boot psp with...
by ToSHiC
Fri Feb 16, 2007 2:17 am
Forum: PSP Development
Topic: custom bios
Replies: 10
Views: 5841

custom bios

Someone on this forum said that sony mips chips have to support EJTAG. It supports several chips on one connector. There are 2 chip: cpu and media engine, and each of them have JTAG lines. if anyone have motherboard without chips - try to find 5 or 6 lines, that connects both chips and MAYBE some co...