bootloader repair

[sanjian]

Dear all

My mobile O2 ATOM problem which bootloader,now any key board not working,came+reset or power same not working,i think bootloader problem,i find some docments about reset bootloader,but i have some question need help,look this picture,what is nTRST,nTRST connect where ,thanks!

[alex_beda]

Dear all

My mobile O2 ATOM problem which bootloader,now any key board not working,came+reset or power same not working,i think bootloader problem,i find some docments about reset bootloader,but i have some question need help,look this picture,what is nTRST,nTRST connect where ,thanks!
http://forum.xda-developers.com/showthread.php?t=336278

[sanjian]

thanks for the repay,but i can't find nTRST info.

i want see nTRST connect .

and i can use other cable 1.44" Cable??,thanks!

[alex_beda]

thanks for the repay,but i can't find nTRST info.

i want see nTRST connect .
The nTRST signal not needed. Not used in this method.


and i can use other cable 1.44" Cable??,thanks!
No.
The JTAG inside Contacts compatible with contacts from cable 5,25" floppy drive, ISA slot, Dendy (card slot), etc

[sanjian]

Dear Sir
I connect My laptop IBM T42 LPT port and power cable connect mobile,now Red LED is blinking,after install giveio_setup.exe run start.bat file problem:
start.bat file"jflashmm pxa27x32 ebo_a.nb0 N 0 PAR
jflashmm pxa27x32 ebo_a.nb0 N 3F40000 PAR "

Problem info:
E:\Mobile\O2\RepairBootLoader\JFlash_MM>jflashmm pxa27x32 ebo_a.nb0 N 3F40000 PAR

JFLASH Version 5.01.007
COPYRIGHT (C) 2000 - 2003 Intel Corporation

PLATFORM SELECTION:
Processor= PXA27x
Development System= Mainstone
Data Version= 1.00.001

Error, unable to find parallel port

[sanjian]

JFLASH Version 5.01.007
COPYRIGHT (C) 2000 - 2003 Intel Corporation

PLATFORM SELECTION:
Processor= PXA27x
Development System= Mainstone
Data Version= 1.00.001

Writing flash at hex address 3fbf140, 99.28% done
Programming done

[sanjian]

Now same problem,can't open mobile,please help,thanks!


There yes or no,thanks!
Would you like to save time by not programming that area? [y/n]: n

[alex_beda]

Now same problem,can't open mobile,please help,thanks!


There yes or no,thanks!
Would you like to save time by not programming that area? [y/n]: n

After the reflashing with JTAG:
1. Remove mini sd card
2. remove battery
3. wait 3-5 min
4. press and hold the camera key + soft reset
5. insert battery
6. release the soft reset key, the camera key
Bootloader is entering.

[sanjian]

Thanks very much!!