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Technical help for Dreamcast console, accessories and games only. Ask questions and find answers here. For Online help see the Online Forum

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megavolt85
Developer
Posts: 1929

Re: How i boot retrodream using gdemu? wich iso i need? No SD.

Post by megavolt85 »

BmNT wrote:
megavolt85 wrote:open flashrom lock, is test for locked sectors and flashrom device id and manufacture code
this is with no flashrom R512 to 12v wire enabled. So now what i do?
connect 12V and make sure the SYSTEM section is unlocked for writing (SYSTEM RW)

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Conatus
dark night
Posts: 52

Re: How i boot retrodream using gdemu? wich iso i need? No SD.

Post by Conatus »

megavolt85 wrote:
BmNT wrote:
megavolt85 wrote:open flashrom lock, is test for locked sectors and flashrom device id and manufacture code
this is with no flashrom R512 to 12v wire enabled. So now what i do?
connect 12V and make sure the SYSTEM section is unlocked for writing (SYSTEM RW)
i have connected it but it says system RO...why?
maybe an error? it says va0 too but is a va1

User avatar
megavolt85
Developer
Posts: 1929

Re: How i boot retrodream using gdemu? wich iso i need? No SD.

Post by megavolt85 »

BmNT wrote: i have connected it but it says system RO...why?
maybe an error? it says va0 too but is a va1
no it's not a mistake
the board revision data is taken from the flashrom, since your flashrom is erased, the program writes the default value

the SYSTEM section was not unlocked due to low of voltage, or the RESET pin is burnt out

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Conatus
dark night
Posts: 52

Re: How i boot retrodream using gdemu? wich iso i need? No SD.

Post by Conatus »

i fixed it, problem solved, was r512 wire interrupted :|

Shinobi-Law
noob
Posts: 1
Dreamcast Games you play Online: Marvel vs Capcom 1 & 2, Kof 98, 2000, 2002, Garou

Re: delete

Post by Shinobi-Law »

Hi guys

I have a similar problem with my DC, I have a black swirl
I have upgraded a free bios in it, now more games are booting, Great
but now when I try to reflash the rom it doesn't work even if I put the 12v to R512.

do you know why?

Many Thanks