It seems that IC's 702+704+706 was later replaced by IC722 (DRIVER) and IC's 703+708 was replaced by IC723 (RF), but IC602(RIPPLE) was added on SCPH-7500 series.
IC's 305(CONTROLLER)+308(SPU)+701(CD DSP) was later replaced by IC732 (CDROM CONTROLLER + CD DSP + SPU) on SCPH-7500 series.
Motherboard that has been seen in SCPH-5000 and SCPH-5500 series consoles.
|Console||SCPH-5000 series, SCPH-5500 series|
|Revision||-11/-21, -31/-41, -52/-62, -72/-82|
|Ports||Parallel I/O, Serial I/O, AV Multiout|
Motherboards from SCPH-9000 series consoles.
|Ports||Serial I/O, AV Multiout|