RAM

System Memory (RAM)

Chipnumers @ SKU's

XDR-quad to CELLBE to SouthBridge diagram of PS3 FAT and early PS3 Slim's CECH-20..A/DYN-001

XDR-dual to CELLBE to SouthBridge diagram since CECH-21..A/SUR-001

XDR-quad memory
CECHGxx / SEM-001

The PS3 has a differential signalling 64 bit bus with 256MB of Rambus XDR DRAM main system memory. Older models use four 64MB chips, while newer models uses two 128MB chips.

PS3 Model	Mobo Model	Mobo serial	RAM Serial	Amount	Notes
CECHAxx	COK-001	1-871-868-12 1-871-868-22 1-871-868-32	X5116ACSE-3C-E    or K4Y50164UC-JCB3	4*16bits
CECHBxx	COK-001	1-871-868-12 1-871-868-22 1-871-868-32	X5116ACSE-3C-E    or K4Y50164UC-JCB3	4*16bits
CECHCxx	COK-002	1-873-513-21 1-873-513-31	X5116ACSE-3C-E    or K4Y50164UC-JCB3	4*16bits
CECHExx	COK-002W		X5116ACSE-3C-E    or K4Y50164UC-JCB3	4*16bits
CECHGxx	SEM-001	1-875-384-21 1-875-384-31	X5116ACSE-3C-E	4*16bits
CECHHxx	DIA-001	1-875-368-11 1-875-368-31	X5116ADSE-3C-E	4*16bits
CECHJxx	DIA-002	1-876-912-32	K4Y50164UE-JCB3	4*16bits
CECHKxx	DIA-002	1-876-912-32	K4Y50164UE-JCB3	4*16bits
CECHLxx	VER-001	1-878-196-31 1-878-196-41	X5116ADSE-3C-E    or IDRD51-0-A1F1C-32C	4*16bits
CECHMxx	VER-001	1-878-196-31 1-878-196-41	X5116ADSE-3C-E	4*16bits
CECHPxx	VER-001	1-878-196-31 1-878-196-41	X5116ADSE-3C-E	4*16bits
CECHQxx	VER-001	1-878-196-31 1-878-196-41	X5116ADSE-3C-E	4*16bits
CECH-20xx	DYN-001	1-880-055-31	X5116ADSE-3C-E	4*16bits
CECH-21xx	SUR-001	1-881-945-11	X1032BASE-3C-F	2*32bits
CECH-25xx	JTP-001	1-882-481-31	X1032BASE-3CA2-F	2*32bits
CECH-25xx	JSD-001	1-882-770-11	X1032BASE-3C-F	2*32bits
CECH-30xx	KTE-001	1-884-749-11	X1032BASE-3C-F	2*32bits
CECH-40xx	MSX-001	1-886-928-11	X1032BBBG-3C-F	2*32bits
CECH-40xx	MPX-001	1-887-233-11	X1032BBBG-3C-F	2*32bits
CECH-42xx	NPX-001	1-887-357-11	X1032BBBG-3C-F	2*32bits
CECH-42xx	PQX-001	1-888-629-11	X1032BBBG-3C-F	2*32bits
CECH-43xx	REX-001	1-893-507-31	K4Y12324TE-KCB3	2*32bits

• 

  Elpida XDR DRAM on production at June 4, 2013

• 

  Elpida XDR DRAM out of production at June 4, 2013

Alternate table

Type	Size	Speed	Voltage	Packaging	Manufact.	Serial Number	Amount	Models
Rambus XDR	64MB	400MHz	1.8V+/-0.09V	FBGA-104	Elpida	X5116ACSE-3C-E	4x	CECHAxx/COK-001 up to including CECHGxx/SEM-001
Rambus XDR	64MB	400MHz	1.8V+/-0.09V	FBGA-104	Samsung	K4Y50164UC-JCB3	4x	?Some initial models?
Rambus XDR	64MB	400MHz	1.8V+/-0.09V	FBGA-100	Samsung	K4Y50164UE-JCB3	4x	CECHJxx/DIA-002 and CECHKxx/DIA-002
Rambus XDR	64MB	400MHz	1.8V+/-0.09V	FBGA-104	Elpida	X5116ADSE-3C-E	4x	CECHHxx/DIA-001, CECHLxx/VER-001 up and including CECHQxx/VER-001 and PS3 Slim CECH-20xx/DYN-001
Rambus XDR	64MB	400MHz	1.8V+/-0.09V	FBGA-104	Qimonda	IDRD51-0-A1F1C-32C	4x	reported on some CECHLxx/VER-001
Rambus XDR	128MB	400MHz	1.5V+/-0.075V	FBGA-150	Elpida	X1032BASE-3C-F	2x	CECH-21xx/SUR-001 and newer

Other XDR Rambus references

• CellBE_HIG_65nm_v1.01_8Jun2007.pdf
• BE_Hardwar_Init_Guide_v1.3_31March2006.pdf
• Rambus XDR IO Cell (XIO) - dl_0362_v0_71.pdf
• XDR Architecture - Rambus dl_0161_v0_8.pdf
• 8x4Mx16/8/4/2 - Rambus xdr_dl_0476.pdf
• XDR Clock Generator - Rambus dl_0169l_v0_81.pdf
• dl_0178_v0_93.pdf (january 2006)
• dl_0178_v0_95.pdf (august 2006)

• http://www.mirrorcreator.com/files/1KD96OYT/xdr_product_guide_mar_06_0.pdf_links
• http://www.mirrorcreator.com/files/1C1NTTYD/Elpida_E1819E20_0.pdf_links
• http://www.mirrorcreator.com/files/KGNOVWHK/Elpida_E0881E20_0.pdf_links
• http://www.mirrorcreator.com/files/SSF2GNEK/Samsung_k4y50xx4ue_rev10.pdf_links
• http://www.mirrorcreator.com/files/1FQRE8S5/Samsung_k4y50xx4uc_rev11_0.pdf_links
• http://www.mirrorcreator.com/files/11S5L1EW/Elpida_E1033E40_EOL_0.pdf_links

Video Memory (VRAM)

Quad 64MB GDDR3 (256MB total) to RSX to CellBE diagram

RSX bare die
GPU in centre
4x GDDR3

The 256MB of GDDR3 memory is located inside the RSX chip using four 64MB FBGA chips.

Type	Size	Speed	Voltage	Packaging	Manufacturer	Serial Number	Description
GDDR3	64MB (512Mbit)	700MHz	2.0V +/-0.1V	FBGA-136 on-die	Samsung	K4J52324QC-SC14	256MB total (4 chips) for PS3 Graphics Memory
GDDR3	64MB (512Mbit)	700MHz	2.0V +/-0.1V	FBGA-136 on-die	Infineon/Qimonda	HYB18H512322AF-14	256MB total (4 chips) for PS3 Graphics Memory
GDDR3	64MB (512Mbit)	?	?	?	Samsung	K4J52324KI-JC14	256MB total (4 chips) for PS3 Graphics Memory
GDDR3	64MB (512Mbit)	?	?	?	Samsung	K4J52324KJ-JC14	256MB total (4 chips) for PS3 Graphics Memory
GDDR3	128MB (1024Mbit) ?	?	?	?	Hynix	H5RS5223DFA	256MB total (2 chips ?) for PS3 Graphics Memory

PS2 Compatibility Memory

Rambus RDRAM
See: PS2 Compatibility