Southbridge

Located between the CPU (CellBE) and the lower I/O devices (SATA/PATA: Bluray Drive/Harddrive, USB, GbLAN, Wifi/Bluetooth, Flash (Hardware): StarShip2+NAND / NOR, CardReader etc) via a Flex I/O bus (CellBE : BIC / IOIF1).

Chipnumers @ SKU's

PS3 Model	Mobo Model	Mobo serial	SB Serial	part no.	Comp.ID
CECHA	COK-001	1-871-868-12 1-871-868-22 1-871-868-32	CXD2973GB	8-753-257-50	IC3001
CECHB	COK-001	1-871-868-12 1-871-868-22 1-871-868-32	CXD2973GB	8-753-257-50	IC3001
CECHC	COK-002	1-873-513-21 1-873-513-31	CXD2979GB
CECHD	SKU never released
CECHE	COK-002W		?CXD2979GB?
CECHF	SKU never released
CECHG	SEM-001	1-875-384-21 1-875-384-31	CXD2984GB
CECHH	DIA-001	1-875-368-11 1-875-368-31	CXD2984GB
CECHJ	DIA-002	1-876-912-32	CXD2984GB
CECHK	DIA-002	1-876-912-32	CXD2984GB
CECHL	VER-001	1-878-196-31 1-878-196-41	CXD2984AGB
CECHM	VER-001	1-878-196-31 1-878-196-41	CXD2984AGB
CECHN	SKU never released
CECHO	SKU never released
CECHP	VER-001	1-878-196-31 1-878-196-41	CXD2984AGB
CECHQ	VER-001	1-878-196-31 1-878-196-41	CXD2984AGB
CECH-20..	DYN-001	1-880-055-31	CXD9963GB
CECH-21..	SUR-001	1-881-945-11	CXD9963GB
CECH-25..	JTP-001	1-882-481-31	CXD9963GB
CECH-25..	JSD-001		CXD9963GB
CECH-30..	KTE-001		?CXD9963GB?

No padouts have been listed (yet), please help to fill this in :)

Notable: [ AV3 SYSCSSPIDO / AU7 SYSCSSPIDI / AV5 SYSCSSPICS ]

[ T8 TESTIN0 / R8 TESTIN1 / P8 TESTIN2 / N8 TESTIN3 / M8 TESTIN4 / L8 TESTIN5 / K8 TESTIN6 / J8 TESTIN7 ]

plus there is pll-bypass and sb-reset to play with

8-753-257-50 / IC3001
Seen on first generation PS3 FAT CECHA/COK-001 and CECHB/COK-001

Seen on second generation PS3 FAT CECHC/COK-002

Seen on third generation PS3 FAT CECHG/SEM-001, CECHH/DIA-001, CECHJ/DIA-002 and CECHK/DIA-002

Seen on last generation PS3 FAT CECHL/VER-001 up and including CECHQ/VER-001