IOP/Deckard: Difference between revisions
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PowerPC 405 chip that replaced IOP. Chip include 4MB SDRAM. In IOP emulator mode 2MB are used as a IOP memory. In PS2 used since SCPH-750XX model. New chip require some compatibility tweaks that are done per title by xparam file found in PS2 ROM. | PowerPC 405 chip that replaced IOP. Chip include 4MB SDRAM. In IOP emulator mode 2MB are used as a IOP memory. In PS2 used since SCPH-750XX model. New chip require some compatibility tweaks that are done per title by xparam file found in PS2 ROM. | ||
[https://www2.informatik.hu-berlin.de/~fwinkler/psvfpga/amirix/405_um.pdf Documentation] | |||
[http://psx-scene.com/forums/f19/deckard-ppc-iop-discussion-157416/#post1215298 More info] | |||
Revision as of 20:04, 12 August 2018
IOP
I/O processor - MIPS R3000A (PS1 main processor) used in all console models since SCPH-700XX.
DECKARD
PowerPC 405 chip that replaced IOP. Chip include 4MB SDRAM. In IOP emulator mode 2MB are used as a IOP memory. In PS2 used since SCPH-750XX model. New chip require some compatibility tweaks that are done per title by xparam file found in PS2 ROM.