Sub CPU
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Overview
Also known as Mecha-Con in later official documentation. Controls drive electronics and implements region- and anti-piracy checks.
Always remains a dedicated IC even on the later, highly integrated boards, due to its region specific firmware in mask-ROM.
Hardware
Revisions
Firmware
Revisions
This list has been compiled by nocash and posted at the psxdev.net forums, where a method for dumping the firmware has also been described.
<pin> <--chip name--------------------------> <--CRC32/dumped----> <date,ver> <-----console/pcb------------------------>
80pin Sony [...] E35D, 424666 185, SSAD9441D 60BC954E TriMesh 94-09-19,C0 SCPH-1000 NTSC:J PU-7, 1-655-322-11
80pin Sony [...] E35D, 424660 185, SSAK9502A F82A2A46 TriMesh 94-11-18,C0 SCPH-1000 NTSC:J PU-7, 1-655-322-13 (also used in SCPH-3000 with PU-7 1-655-322-15)
80pin MC68HC705L16CFU D62P SSAW9601A ? - ..-..-..,.. DTL-H1000 NTSC:J PU-7, 1-655-322-14
80pin ? ? - ..-..-..,.. SCPH-100x ... PU-7 for other regions (if any)
80pin ? prototype? 424688 or so? ? - ..-..-..,.. SCPH-100x ... Early PU-8 versions for other regions
80pin Sony [...] E35D, 424686 185, SSBP9539B BB134697 Nocash 95-05-16,C1 SCPH-1002 PAL Early PU-8, 1-658-467-11 (borrowed from J, 2016)
80pin Sony [...] E35D, 424659 185, SSAC9539A 426C05E7 Nocash 95-07-24,C1 SCPH-1001 NTSC:U/C Early PU-8, 1-658-467-11 (borrowed from J, 2016)
80pin Sony [...] E35D, 424684 185, SSAM9542B 84D46B2A Shadow 95-07-24,C1 SCPH-1002 PAL Early PU-8, 1-658-467-11 (same as SC430917, but with different 80pin-style bootstrap rom)
80pin Sony [...] E35D, 424694 185, ... ? - ..-..-..,.. DTL-H1102 PAL Early PU-8, 1-658-467-13 (spotted on photo from SpaceCoyote)
52pin C 2021, SC430911PB ? - ..-..-..,.. SCPH-? Late PU-8, 1-658-467-21 (spotted on some photo)
52pin C 1021, SC430916PB, G63C 185, JSAB9624F A730082B TriMesh 95-07-24,C1 SCPH-5000 NTSC:J Late PU-8, 1-658-467-42
52pin C 3021, SC430917PB, G63C 185, JSAF9623G 96A79014 Nocash 95-07-24,C1 SCPH-1002 PAL Late PU-8, 1-658-467-22 (same as 424684, but with different 52pin-style bootstrap rom)
52pin C 2021, SC430918PB, G63C 185, JSBM9633B 1617EC6A TriMesh 95-07-24,C1 SCPH-1001 NTSC:U/C Late PU-8, 1-658-467-23 (same as the decapped chip-dump from psxdev.ru)
52pin D 2021, SC430920PB, G63C 185, JSAA9810A 7455BB05 TriMesh 95-07-24,D1 DTL-H1202 PAL Late PU-8, 1-658-467-43 (SC430920PB is also used on DTL-H2500)
52pin C 4021, SC430924PB, G63C 185, JSAB9645C AB3E59EB TriMesh 96-08-15,C2 SCPH-5903 NTSC:J PU-16 1-665-191-11 with sub board MP-45 1-665-192-11 (video cd)
52pin C 1030, SC430925PB, G63C 185, JSBK9708C A627277A TriMesh 96-09-12,C2 SCPH-5500 NTSC:J PU-18, 1-664-537-11
52pin W2021, SC430926PB, G63C 185, JSAA9645A DF333241 CharlesMacD 96-08-18,C1 DTL-H3001 NTSC:U/C Late PU-8, 1-658-467-23 (Yaroze)
52pin W3021, SC430927PB, ? - ..-..-..,.. DTL-H3002 PAL (Yaroze)
52pin C 3030, SC430929PB, G63C 185, JSBH9716A BA87A3E0 Nocash 97-01-10,C2 SCPH-5502 PAL PU-18, 1-664-537-62
52pin C 2030, SC430930PB, G63C 185, SSJZ9748A 2A93140F TriMesh 97-01-10,C2 SCPH-5501 NTSC:U/C PU-18, 1-664-537-62
52pin C 1040, SC430934PB, G63C 185, SSDG9745D F38341C4 TriMesh 97-08-14,C2 SCPH-7000 NTSC:J PU-20, 1-668-413-22
52pin C 3040, SC430935PB, G63C 185, SSBC9813D 33899F2A Nocash 97-08-14,C2 SCPH-7002 PAL PU-20, 1-668-413-32 (PCB borrowed from J, 2016)
52pin ? SC........ ? - ..-..-..,.. SCPH-7001 NTSC:U/C
52pin ? SC........ ? - ..-..-..,.. SCPH-7000W PlayStation (10 million model, not for sale, blue, region free)
52pin C 1050, SC430938PB, G63C 185, SSAM9850C 191772D1 TriMesh 98-06-10,C3 SCPH-7500 NTSC:J PU-22, 1-671-858-11
52pin C 3050, SC430939PB, G63C 185, SSAY9837A 9EAFB045 Nocash 98-06-10,C3 SCPH-7502 PAL PU-22, 1-671-858-11 (PCB borrowed from Jackal)
52pin C 2050, SC430940PB, G63C 185, SSDL9838A 184D34B6 TriMesh 98-06-10,C3 SCPH-7501 NTSC:U/C PU-22, 1-671-858-32
52pin C 1060, SC430942PB, G63C 185, SSAQ9920A 7F90B681 TriMesh 99-02-01,C3 SCPH-9000 NTSC:J PU-23, 1-674-987-11
52pin C 3060, SC430943PB, G63C 185, SS0L0130E 2669A1A7 Nocash 99-02-01,C3 SCPH-102 PAL PM-41, 1-679-335-51
52pin C 2060, SC430944PB, G63C 185, SSBR9924C BD117489 TriMesh 99-02-01,C3 SCPH-9001 NTSC:U/C PU-23, 1-674-987-11
52pin ? SC430947.. ? - ..-..-..,.. SCPH-100 NTSC:J PM-41(2)
52pin C 3070, SC430948PB, G63C 185, SSAE0138D 0E8AD915 Nocash A1-03-06,C3 SCPH-102 PAL PM-41(2), P-161125S-31-71 (pcb donated by Squaresoft74)
52pin ? SC430949.. ? - ..-..-..,.. SCPH-101 NTSC:U/C PM-41(2)
52pin ? SC430952.., G65C? 265? ? - ..-..-..,.. SCPH-103 PM-41(2), 1-679-335-82 (late asian model)
? ? ? ? - ..-..-..,.. DTL-H100x
? ? ? ? - ..-..-..,.. DTL-H110x
? ? ? ? - ..-..-..,.. DTL-H1200/DTL-H1201
32pin 27C256A-15 (EPROM 32Kx8) ("94/11/28") ? - ..-..-..,.. DTL-H2000 (Sony CXP82300 80pin SPC700 CPU with piggyback 32pin EPROM socket, not a Motorola HC05 CPU)
? ? ? ? - ..-..-..,.. DTL-H270x
? ? ? ? - ..-..-..,.. DTL-H3000 (yaroze/japan) (and, possible later yaroze versions exist, with PCBs newer than PU-8?)
80pin M...16, ... (sticker: "7/24, 2.'E") ? - ..-..-..,.. NOT FOR SALE, SONY, PU-9
? ? ? ? - 98-06-10,C3 SCPH-9903 (region free)
? ? ? ? - ..-..-..,.. PS2...