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July 13, 2011 // 8:31 pm - Today PlayStation 3 developer uf6667 has Tweeted news announcing a new PS3 hardware flasher project called ProgSkeet produced by Oscar Dalvit.

Currently the official site doesn't offer any details beyond the ProgSkeet PS3 Install Diagrams and ProgSkeet Multi-Console Install Diagrams, however, he did provide some pictures (below, with high-res HERE) of the ProgSkeet device and the ProgSkeet Drivers, ProgSkeet Flasher Software and ProgSkeet Flasher Software Update followed by some more updates in THIS ongoing Forum thread.

Based on them, ProgSkeet appears to utilize an Actel A3P125 IC (datasheet HERE) which is common among modchips due to its security, and offers enough address lines for at least 2 (if not more) NANDs with 16 general purpose lines and boasts 125,000 system gates with 133 maximum user I/O lines. It also offers JTAG pads, presumably used for programming the device.

Upon completion, ProgSkeet will allow users to downgrade and jailbreak their PS3 similar to the Infectus Mod along with backing up and reflashing the console's memory.

More details will be posted as they become available on the ProgSkeet project, with a video now posted below and a ProgSkeet Review for those interested.

ProgSkeet PS3 Hardware Flasher Project is Announced

ProgSkeet PS3 Hardware Flasher Project is Announced

ProgSkeet PS3 Hardware Flasher Project is Announced

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#99 - amazon - June 14, 2013 // 6:46 pm
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Hi, I have a question maybe someone can help me answer. I've recently downgraded two ps3s, both were NANDs with progskeet 1.1 and now I'm interested in downgrading NOR ps3s. From what I understand, with NOR, you don't have to program the progskeet 1.1 with injectus, but would I have to reset the progskeet 1.1 somehow because I've uploaded code to it via injectus (during my NAND downgrades)? Thanks.

#98 - sumotori - June 8, 2013 // 12:32 pm
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I had a slim PS3 with firmware OFW 4.41.

I made:

  • A dump of the nor with ProgSkeet 1.21
  • Verified the dump with Bwe_Nor_Validator. Results: Dump valid.
  • Patched dump with Rogero_Auto_Patcher v0.04
  • Flash the nor with ProgSkeet 1.21.
  • A new dump to compare it with the patched dump. Results: no difference.

Now, at startup, the PS3 asks me to insert a USB disk with firmware 4.41 or higher!!! When I inserted a disk usb I have the error 8002F2CF. Could someone help me? Thanks

#97 - PS4 News - March 30, 2013 // 7:20 am
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ProgSkeet 1.2 Bitstream 2013-03-30 by uf6668 is attached below, which fixes NOR issues with the following changes:

The long awaited fix for Progskeet 1.2 is finally here, uf6667 confirms this should fix the write issues people were getting with 1.2.

Download: ProgSkeet_12_130330_1909.dat / ProgSkeet_12_130330_1909[1].dat (Mirror) / ProgSkeet_12_130401_1824.rar‎ / ProgSkeet_12_120402_1730.rar‎

  • Dual boot using a switch (led on = secondary nand/nor, led off = primary nand/nor).
  • Supports both solderless nand and nor together. This should fix the write issues people were getting with 1.2.

ProgSkeet 1.2/1.21 BITSTREAM_12_130401_1824 (via is the second progskeet v1.2 fix NOR bitstream.

ProgSkeet 1.2/1.21 BITSTREAM_12_120402_1730 (via is another updated bitstream, again to fix the NOR read / write issues on the 1.2 / 1.21 progskeet.

+ Added metastability to the DQ ports to filter out noise and glitches

+ Reduced timeout from 1.3ms down to 320ns per word

+ Added timeout for reads/writes (1ms), no more blocking
+ Fixed bug where it would read gpio from data pins rather than from gpio pins

+ Increased metastability of USB (should no longer disconnect)
+ Restored Samsung Q compatibility that was caused by dualboot pin allocation

All known / released Progskeet 1.2 Bitstreams:

Download: Progskeet1.2_Bitstreams.rar (1.68 MB)

  • ProgSkeet_12_121018_0031
  • ProgSkeet_12_121101_1223
  • ProgSkeet_12_121106_2121
  • ProgSkeet_12_130401_2010
  • ProgSkeet_Bitsream_12_130330_1909 [converts_to_works_as_1.1]
  • ProgSkeet_12_120402_1730
  • ProgSkeet_12_130401_1824


Download: Winskeet.rar (22.6 MB)

  • ProgSkeet_110807
  • YASkeet_20111120
  • WinSkeet40000_111004
  • WinSkeet40000_manual_test
  • Winskeet111120
  • Winskeet111205

Finally, from uf6667 (via

[uf6667]: nand and nor
[uf6667]: nor CONFIRMED working perfect
[uf6667]: if someone's eager to test nand, this is the one
: WinSkeet40000_130416_2305

#96 - johnscrub - March 20, 2013 // 5:52 pm
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well i'm gonna try it as i've received my v1.21 today hopefully it all goes well!! wish me luck

#95 - pinkone - February 10, 2013 // 12:32 am
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servo386 It's very hard to do. If you are not not really good at soldering I wouldn't attempt it. A few guys here offer a downgrade service it may be your best bet to look into that.

#94 - servo386 - February 9, 2013 // 5:25 am
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In general, how difficult is to pull of one of these ProgSkeet mods? Specifically to one of the old CECH0A launch models? I am familiar with soldering but I'm not sure I would say I'm good at it. This for experienced circuit boarders? I've heard of people sucessfully hacking CECH0A's but I don't if they had to downgrade their FW's beforehand. Anyone have any experience with this particular circumstance?

#93 - smart123 - February 6, 2013 // 10:08 am
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Thank you for the info. I will go and try it.

#92 - pinkone - February 5, 2013 // 3:31 pm
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You'll need to solder to the pins of the two NANDs. Here are the NAND pinouts for the V1.2.

The 3rd pic is for the older one but its bigger so you can see what each pin is.

#91 - smart123 - February 5, 2013 // 1:18 pm
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hello all.

I'm new here so a noob. Well I have a PS3 fat with cechg04 sem-001 motherboard. I got along a PROGSKEET V1.2 and now I want the ps3 downgrade. But I do not find this motherboard diagram of where I need to solder the wires. Could someone help me with this I've been looking for 3 days.

Thanks already

#90 - Sostanco - January 21, 2013 // 1:13 pm
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this is my link and dump both original and patched one. i byte reverse the dump and use e3 nor checker to check the dump. yes flashing the original one give me yold again. i use the last winskeet version.