Toshiba ROM chip purchase

pclab

Moderator
Jared":xy1j6hk3 said:
To replace roms burned when removing.
I burned quite a few while getting the right temperature and air flow.
I would like to have some here, also because they are easy to damage.

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Jared

Administrator
Staff member
Do you flux your pads before applying hot air? I find that heats the solder much faster and prevents all that. I can't seem to remember the last time I cooked a ROM.
 

pclab

Moderator
Jared":1wf9gwxu said:
Do you flux your pads before applying hot air? I find that heats the solder much faster and prevents all that. I can't seem to remember the last time I cooked a ROM.
Yeah, now I think I have it all covered, but I don't want to risk it.
Read the rom, and after swap it.
Only if ace could make a way to write rom on-board hahahha

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LarrySabo

Member
I use a preheater set to 215C, so it takes very little hot air to melt the solder holding the ROM. Works well.

I thought Toshiba CPs were in the ROM, so if you fry the ROM, recovery is not possible?
 

pclab

Moderator
LarrySabo":1crkrn4a said:
I use a preheater set to 215C, so it takes very little hot air to melt the solder holding the ROM. Works well.

I thought Toshiba CPs were in the ROM, so if you fry the ROM, recovery is not possible?
Yes, if rom dies, nothing to do...
Maybe you mean, CP are on the platter, right?
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Jared

Administrator
Staff member
pclab":1py8rfxw said:
[post]9303[/post] Maybe you mean, CP are on the platter, right?

No, the CP's are mostly all in the ROM except for the G-List and SMART.

I always read the ROM via terminal if possible first, then physically transplant. That way if I ever do cook one, I've got a backup and can program another chip. Happened once I think that I had to do that, and I was glad I'd taken the 20 min to back it up.
 
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