Editing PSX
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== Onboard flash == | == Onboard flash == | ||
The PSX has a flash memory on board called xfrom, containing the xosdmain.elf XMB-executable and some other files. xosdmain.elf is always located at xfrom:/BIEXEC-SYSTEM/xosdmain.elf. The other files differ between PSX1 (DESR-x000 and DESR-x100) and PSX2 (DESR-x500 and DESR-x700). Their main purpose is setting a boot mode for xosdmain.elf. On PSX1, several | The PSX has a flash memory on board called xfrom, containing the xosdmain.elf XMB-executable and some other files. xosdmain.elf is always located at xfrom:/BIEXEC-SYSTEM/xosdmain.elf. The other files differ between PSX1 (DESR-x000 and DESR-x100) and PSX2 (DESR-x500 and DESR-x700). Their main purpose is setting a boot mode for xosdmain.elf. On PSX1, several files get temporarily created to configure the boot mode. On PSX2, this is handled by a single file named bootflag.txt. | ||
== File types == | == File types == | ||
''This list is incomplete.'' | ''This list is incomplete.'' | ||
* PAK: encrypted archive format that stores update data. Can be found on the [[PSX Update Disc]]. Has been reverse engineered and decryption/unpacking is [https://gist.github.com/balika011/7bb704cf591e40bd364a1c0a5018bc5b possible]. | * PAK: encrypted archive format that stores update data. Can be found on the [[PSX Update Disc]]. Has been reverse engineered and decryption/unpacking is [https://gist.github.com/balika011/7bb704cf591e40bd364a1c0a5018bc5b possible]. | ||
* REL: encrypted package binaries found in PSX packages. Has been reverse engineered and decryption/unpacking is [https://gist.github.com/balika011/220dd4147ddc2a32efbaedfb8ebcd387 possible]. | * REL: encrypted package binaries found in PSX packages. Has been reverse engineered and decryption/unpacking is [https://gist.github.com/balika011/220dd4147ddc2a32efbaedfb8ebcd387 possible]. | ||
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==== 160 GB ==== | ==== 160 GB ==== | ||
* Seagate "U Series 9" ST3160022ACE | * Seagate "U Series 9" ST3160022ACE | ||
* Maxtor "DiamondMax 9" (exact model number?) | * Maxtor "DiamondMax 9" (exact model number?) | ||
* Maxtor "DiamondMax 10" 6L160P0 | * Maxtor "DiamondMax 10" 6L160P0 | ||
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** Has a dedicated NOR-flash located on the other side of the motherboard containing its firmware (Fujitsu MB85431BC) | ** Has a dedicated NOR-flash located on the other side of the motherboard containing its firmware (Fujitsu MB85431BC) | ||
** Probably also functions as some kind of SysCon/SMC, controlling LEDs, IR-receivers etc (needs verification; this might as well be handled by Mechacon and/or IOP) | ** Probably also functions as some kind of SysCon/SMC, controlling LEDs, IR-receivers etc (needs verification; this might as well be handled by Mechacon and/or IOP) | ||
** Related IC is used in some VAIO-Notebooks | ** Related IC is used in some VAIO-Notebooks with an internal Memory Stick reader, where it's called "SUMIRE2" in the schematics | ||
=== Audio/Video ICs === | === Audio/Video ICs === | ||
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** Has a dedicated NOR-flash located on the other side of the motherboard containing its firmware (Fujitsu MB85431BC) | ** Has a dedicated NOR-flash located on the other side of the motherboard containing its firmware (Fujitsu MB85431BC) | ||
** Probably also functions as some kind of SysCon/SMC, controlling LEDs, IR-receivers etc (needs verification; this might as well be handled by Mechacon and/or IOP, please contribute) | ** Probably also functions as some kind of SysCon/SMC, controlling LEDs, IR-receivers etc (needs verification; this might as well be handled by Mechacon and/or IOP, please contribute) | ||
** Related IC is used in some VAIO-Notebooks | ** Related IC is used in some VAIO-Notebooks with an internal Memory Stick reader, where it's called "SUMIRE2" in the schematics | ||
=== Audio/Video ICs === | === Audio/Video ICs === | ||
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* Samsung K9F6408U0C-QCB0 | * Samsung K9F6408U0C-QCB0 | ||
** NAND-Flash (8 MBytes) | ** NAND-Flash (8 MBytes) | ||
** PSX | ** PSX firmware (xfrom:/) | ||
* OKI MR27V3202F (printed on chip: R27V3202F) | * OKI MR27V3202F (printed on chip: R27V3202F) | ||
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==== Matsushita/Panasonic ==== | ==== Matsushita/Panasonic ==== | ||
* ETXNY499J9A (100 V); Sony part no. 1-468-806-11 ''for PSX1/XPD-001'' | * ETXNY499J9A (100 V); Sony part no. 1-468-806-11 ''for PSX1/XPD-001'' | ||
* ETXNY499J9AA (100 V); Sony part no. 1-468-869-11 ''for PSX2/XPD-005'' | * ETXNY499J9AA (100 V); Sony part no. 1-468-869-11 ''for PSX2/XPD-005 (DESR-7500)'' | ||
* ETXNY499J9AA (100 V); Sony part no. 1-468-869-12 ''for PSX2/XPD-005 (on some units, the 2 at the end of the part no. has been re-printed over a 1)'' | * ETXNY499J9AA (100 V); Sony part no. 1-468-869-12 ''for PSX2/XPD-005 (on some units, the 2 at the end of the part no. has been re-printed over a 1)'' | ||
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