MiTAC 8355 service manual DIMM-SLOT & Termination

5 4 3 2 1

DIMM-SLOT & Termination

X7R

D

				+1.25VSREF_MEM +2.5VS_DIMM
			J6
		1		2
	MD0	3	DIMM0	4	MD4
		5		6
	MD1	7		8	MD5
	DQS0	9		10	DQM0
		11		12
	MD2	13		14	MD6
	MD3	15		16	MD7
		17		18
	MD8	19		20	MD12
	MD9	21		22	MD13
		23		24
	DQS1	25		26	DQM1
	MD10	27		28	MD14
		29		30
	MD11	31		32	MD15
		33		34
2	DDR_CLK5	35		36
2	DDR_CLK5#	37		38
		39		40
	MD16	41		42	MD20
	MD17	43		44	MD21
	DQS2	45		46	DQM2
		47		48
	MD18	49		50	MD22
	MD19	51		52	MD23
		53		54
	MD24	55		56	MD28
	MD25	57		58	MD29
		59		60
	DQS3	61		62	DQM3
	MD26	63		64	MD30
		65		66
	MD27	67		68	MD31
		69		70
		71		72
		73		74
		75		76
		77		78

	+2.5VS_DIMM	+1.25VSREF_MEM												Net lengths tothe SO-DIMM should
				J7			CPU_MD[0..63]		CPU_MD[0..63]	2				be 200-500mils			+1.25VTT
			1		2
									CPU_MD59			RP503	MD59	MD59			RP504
		MD0	3	DIMM1	4	MD4				8	9				16	1
			5		6				CPU_MD63	7	10	10*8	MD63	MD63	15	2	68*8
		MD1	7		8	MD5			CPU_MD62	6	11 RPX8		MD62	MD62	14	3	RPX8
		DQS0	9		10	DQM0			CPU_MD58	5	12		MD58	MD58	13	4
			11		12		2	CPU_DQS7	CPU_DQS7	4	13		DQS7	DQS7	12	5
		MD2	13		14	MD6			CPU_DQM7	3	14		DQM7	DQM7	11	6
							2	CPU_DQM7
			15		16				CPU_MD57	2	15		MD57	MD57	10	7
		MD3	17		18	MD7			CPU_MD61	1	16		MD61	MD61	9	8
		MD8	19		20	MD12			CPU_MD60	8	1	RP505	MD60	MD60	4	5	RP506
			21		22				CPU_MD56	7	2	10*4	MD56	MD56	3	6	68*4
		MD9	23		24	MD13			CPU_MD55	6	3	1206	MD55	MD55	2	7	1206
		DQS1	25		26	DQM1			CPU_MD51	5	4		MD51	MD51	1	8
			27		28				CPU_MD50	16	1	RP507	MD50	MD50	16	1	RP508
		MD10	29		30	MD14			CPU_MD54	15	2	10*8	MD54	MD54	15	2	68*8
		MD11	31		32	MD15	2	CPU_DQS6	CPU_DQS6	14	3	RPX8	DQS6	DQS6	14	3	RPX8
			33		34				CPU_DQM6	13	4		DQM6	DQM6	13	4
							2	CPU_DQM6
2	DDR_CLK4		35		36				CPU_MD53	12	5		MD53	MD53	12	5
			37		38				CPU_MD52	11	6		MD52	MD52	11	6
2	DDR_CLK4#
			39		40				CPU_MD49	10	7		MD49	MD49	10	7
									CPU_MD48	9	8		MD48	MD48	9	8
		MD16	41		42	MD20			CPU_MD47	16	1	RP509	MD47	MD47	16	1	RP510
		MD17	43		44	MD21			CPU_MD43	15	2	10*8	MD43	MD43	15	2	68*8
		DQS2	45		46	DQM2			CPU_MD46	14	3	RPX8	MD46	MD46	14	3	RPX8
			47		48		2	CPU_DQM5	CPU_DQM5	13	4		DQM5	DQM5	13	4
		MD18	49		50	MD22			CPU_MD42	12	5		MD42	MD42	12	5
			51		52		2	CPU_DQS5	CPU_DQS5	11	6		DQS5	DQS5	11	6
		MD19	53		54	MD23			CPU_MD45	10	7		MD45	MD45	10	7
		MD24	55		56	MD28			CPU_MD44	9	8		MD44	MD44	9	8
			57		58				CPU_MD41	8	1	RP511	MD41	MD41	4	5	RP512
		MD25	59		60	MD29			CPU_MD40	7	2	10*4	MD40	MD40	3	6	68*4
		DQS3	61		62	DQM3			CPU_MD39	6	3	1206	MD39	MD39	2	7	1206
		MD26	63		64	MD30			CPU_MD38	5	4	RP514	MD38	MD38	1	8	RP513
			65		66		2	CPU_DQM4	CPU_DQM4	16	1		DQM4	DQM4	16	1
		MD27	67		68	MD31			CPU_MD35	15	2	10*8	MD35	MD35	15	2	68*8
			69		70				CPU_MD34	14	3	RPX8	MD34	MD34	14	3	RPX8
			71		72		2	CPU_DQS4	CPU_DQS4	13	4		DQS4	DQS4	13	4
			73		74				CPU_MD37	12	5		MD37	MD37	12	5
			75		76				CPU_MD36	11	6		MD36	MD36	11	6
			77		78				CPU_MD33	10	7		MD33	MD33	10	7

+1.25VTT
C525	1	2	0.1U	C529	1
0603			16V	0603
C531	1	2	0.1U	C534	1
0603			16V	0603
C536	1	2	0.1U	C538	1
0603			16V	0603
C541	1	2	0.1U	C544	1
0603			16V	0603
C550	1	2	0.1U	C554	1
0603			16V	0603
C556	1	2	0.1U	C558	1
0603			16V	0603
C567	1	2	0.1U	C571	1
0603			16V	0603
C574	1	2	0.1U	C578	1
0603			16V	0603
C579	1	2	0.1U	C748	1
0603			16V	0603
C581	1	2	0.1U	C853	1
0603			16V	0603
C585	1	2	0.1U	C851	1
0603			16V	0603
C837	1	2	0.1U/NA	C744	1
0603			16V	0603
C847	1	2	0.1U/NA	C840	1
0603			16V	0603
C836	1	2	0.1U/NA	C839	1
0603			16V	0603
C835	1	2	0.1U/NA	C849	1
0603			16V	0603
C846	1	2	0.1U/NA	C848	1
0603			16V	0603
C842	1	2	0.1U/NA
0603			16V
C845	1	2	0.1U/NA
0603			16V
+1.25VTT			+2.5VS_DIMM+1.25VTT

20.1U

16V

20.1U

16V

20.1U

16V

20.1U

16V

20.1U

16V

20.1U

16V

20.1U

16V

20.1U

16V

20.1U/NA

16V

20.1U/NA

16V

20.1U/NA

16V

20.1U/NA

16V

20.1U/NA

16V

20.1U/NA

16V

20.1U/NA

16V

20.1U/NA

16V

GND

+2.5VS_DIMM

D

C

					79	80
					81	82
					83	84
					85	86
					87	88
2	DDR_CLK0				89	90
					91	92
2	DDR_CLK0#
					93	94
		DDR_CKEA			95	96	DDR_CKEA
		MEMADD_A12			97	98	MEMADD_A11
					99	100
		MEMADD_A9			101	102	MEMADD_A8
					103	104
		MEMADD_A7			105	106	MEMADD_A6
		MEMADD_A5			107	108	MEMADD_A4
		MEMADD_A3			109	110	MEMADD_A2
		MEMADD_A1			111	112	MEMADD_A0
					113	114
		MEMADD_A10			115	116	DDR_BAA1
		DDR_BAA0			117	118	DDR_RASA#
		DDR_WEA#			119	120	DDR_CASA#
		DDR_CS0#			121	122	DDR_CS1#
		MEMADD_A13			123	124
					125	126
			MD32		127	128	MD36
			MD33		129	130	MD37
					131	132
			DQS4		133	134	DQM4
			MD34		135	136	MD38
					137	138
			MD35		139	140	MD39
			MD40		141	142	MD44
					143	144
			MD41		145	146	MD45
			DQS5	147		148	DQM5
					149	150
			MD42		151	152	MD46
			MD43		153	154	MD47
					155	156

		79	80				CPU_MD32	9	8		MD32	MD32	9	8
		81	82				CPU_MD31			RP518	MD31	MD31			RP519
		83	84					16	1				16	1
		85	86				CPU_MD27	15	2	10*8	MD27	MD27	15	2	68*8
		87	88				CPU_MD30	14	3	RPX8	MD30	MD30	14	3	RPX8
2	DDR_CLK1	89	90				CPU_MD26	13	4		MD26	MD26	13	4
		91	92				CPU_DQM3	12	5		DQM3	DQM3	12	5
2	DDR_CLK1#				2	CPU_DQM3
		93	94				CPU_DQS3	11	6		DQS3	DQS3	11	6
					2	CPU_DQS3
	DDR_CKEB	95	96	DDR_CKEB			CPU_MD29	10	7		MD29	MD29	10	7
		97	98				CPU_MD25	9	8		MD25	MD25	9	8
	MEMADD_A12	99	100	MEMADD_A11			CPU_MD28	8	1	RP520	MD28	MD28	4	5	RP521
	MEMADD_A9	101	102	MEMADD_A8			CPU_MD24	7	2	10*4	MD24	MD24	3	6	68*4
		103	104				CPU_MD23	6	3	1206	MD23	MD23	2	7	1206
	MEMADD_A7	105	106	MEMADD_A6			CPU_MD19	5	4		MD19	MD19	1	8
	MEMADD_A5	107	108	MEMADD_A4			CPU_MD18	16	1	RP522	MD18	MD18	16	1	RP524
	MEMADD_A3	109	110	MEMADD_A2			CPU_MD22	15	2	10*8	MD22	MD22	15	2	68*8
	MEMADD_A1	111	112	MEMADD_A0	2	CPU_DQM2	CPU_DQM2	14	3	RPX8	DQM2	DQM2	14	3	RPX8
		113	114				CPU_MD21	13	4		MD21	MD21	13	4
	MEMADD_A10	115	116	DDR_BAA1	2	CPU_DQS2	CPU_DQS2	12	5		DQS2	DQS2	12	5
	DDR_BAA0	117	118	DDR_RASA#			CPU_MD17	11	6		MD17	MD17	11	6
	DDR_WEA#	119	120	DDR_CASA#			CPU_MD16	10	7		MD16	MD16	10	7
	DDR_CS2#	121	122	DDR_CS3#			CPU_MD20	9	8		MD20	MD20	9	8
	MEMADD_A13	123	124				CPU_MD11			RP525	MD11	MD11			RP526
		125	126					16	1				16	1
	MD32	127	128	MD36			CPU_MD10	15	2	10*8	MD10	MD10	15	2	68*8
	MD33	129	130	MD37			CPU_MD15	14	3	RPX8	MD15	MD15	14	3	RPX8
		131	132				CPU_MD14	13	4		MD14	MD14	13	4
	DQS4	133	134	DQM4	2	CPU_DQM1	CPU_DQM1	12	5		DQM1	DQM1	12	5
	MD34	135	136	MD38			CPU_MD13	11	6		MD13	MD13	11	6
		137	138		2	CPU_DQS1	CPU_DQS1	10	7		DQS1	DQS1	10	7
	MD35	139	140	MD39			CPU_MD12	9	8		MD12	MD12	9	8
	MD40	141	142	MD44			CPU_MD9	8	1	RP528	MD9	MD9	4	5	RP529
		143	144				CPU_MD8	7	2	10*4	MD8	MD8	3	6	68*4
	MD41	145	146	MD45			CPU_MD3	6	3	1206	MD3	MD3	2	7	1206
	DQS5	147	148	DQM5			CPU_MD7	5	4		MD7	MD7	1	8
		149	150				CPU_MD6	16	1	RP530	MD6	MD6	16	1	RP531
	MD42	151	152	MD46			CPU_MD2	15	2	10*8	MD2	MD2	15	2	68*8
	MD43	153	154	MD47	2	CPU_DQM0	CPU_DQM0	14	3	RPX8	DQM0	DQM0	14	3	RPX8
		155	156				CPU_DQS0	13	4		DQS0	DQS0	13	4

C528	1	2	0.1U
0603			16V
C530	1	2	0.1U
0603			16V
C533	1	2	0.1U
0603			16V
C535	1	2	0.1U
0603			16V
C537	1	2	0.1U
0603			16V
C539	1	2	0.1U
0603			16V
C542	1	2	0.1U
0603			16V
C545	1	2	0.1U
0603			16V
C551	1	2	0.1U
0603			16V
C555	1	2	0.1U
0603			16V
C557	1	2	0.1U
0603			16V
C562	1	2	0.1U
0603			16V
C568	1	2	0.1U
0603			16V
C572	1	2	0.1U
0603			16V
C575	1	2	0.1U
0603			16V
C580	1	2	0.1U
0603			16V
C584	1	2	0.1U
0603			16V
C586	1	2	0.1U
0603			16V
C844	1	2	0.1U/NA
0603			16V

C834	1	2	0.1U/NA
0603			16V
C573	1	2	0.1U
0603			16V
C540	1	2	0.1U
0603			16V
C559	1	2	0.1U
0603			16V
C833	1	2	0.1U/NA
0603			16V
C843	1	2	0.1U/NA
0603			16V
C855	1	2	0.1U/NA
0603			16V
C780	1	2	0.1U/NA
0603			16V
C854	1	2	0.1U/NA
0603			16V
C583	1	2	0.1U
0603			16V
C852	1	2	0.1U/NA
0603			16V
C850	1	2	0.1U/NA
0603			16V
C569	1	2	0.1U
0603			16V
C543	1	2	0.1U
0603			16V
C532	1	2	0.1U
0603			16V

C

B

A

			157	158
			159	160
			161	162
	MD48		163	164	MD52
	MD49		165	166	MD53
			167	168
	DQS6	169		170	DQM6
	MD50		171	172	MD54
			173	174
	MD51		175	176	MD55
	MD56		177	178	MD60
			179	180
	MD57		181	182	MD61
	DQS7	183		184	DQM7
			185	186
	MD58		187	188	MD62
	MD59		189	190	MD63
			191	192
SMBDATA_DDR			193	194
SMBCLK_DDR			195	196
			197	198
			199	200

0.6MM/200P/H4

QUASAR

CA0122-200N01

291000612013

DIMM_AMP1376408

GND

OS-CON OR X7R

Locate close to CPU socket

+1.25VTT

+2.5VS_DIMM

+1.25VTT

2

C519

1

+

+

C172

1

2

150U

220U/NA

7243

4V

+1.25VTT

10V

+

7343LESR

C69

1

2

150U

10V

7343LESR

C204

1

+

2

680U/NA

C468

1

2

4.7U/NA

BOT

2.5V

7343

0805

C205

1

+

2

680U/NA

2.5V

7343

GND

+1.25VTT

GND

Place on 10uF

C582

1

2

10U

capacitor on each

6.3V

1206

end of the VTT

C102

1

2

10U

island

6.3V

1206

GND

DDR_CLK7#	2				157	158					DDR_CLK6#		2	2	CPU_DQS0			CPU_MD1	12	5	MD1	MD1		12			5
					159	160												CPU_MD5	11	6	MD5	MD5		11			6
DDR_CLK7	2										DDR_CLK6		2
					161	162												CPU_MD4	10	7	MD4	MD4		10			7
				MD48	163	164	MD52											CPU_MD0	9	8	MD0	MD0		9			8
				MD49	165	166	MD53																					+1.25VTT
				DQS6	167	168	DQM6
					169	170
				MD50	171	172	MD54			+2.5VS_DIMM								10	2 R540	DDR_CKEA	DDR_CKEA		1	68	2	R546
					173	174								2 CPU_CKEA				1
				MD51	175	176	MD55												0603								0603
				MD56	177	178	MD60				1							10		DDR_CKEB	DDR_CKEB		1	68	2	R545
					179	180								2 CPU_CKEB				1	2 R538
				MD57	181	182	MD61				R530								0603								0603
				DQS7	183	184	DQM7				8.2K		Place between the processor and
				MD58	185	186	MD62				0603
					187	188							nearest SO-DIMM, and Net						length
				MD59	189	190	MD63				2
			SMBDATA_DDR		191	192							to the processor should be
14 SMBDATA_DDR					193	194							500-1000mil
			SMBCLK_DDR		195	196
14 SMBCLK_DDR					197	198
					199	200																						+1.25VTT
						0.6MM/200P/H4
													+1.25VSREF_MEM						MEMADD_A[0..13]
						QUASAR															MEMADD_A[0..13]	2
						CA0123-200N01
						291000612014									C587	1	2	4.7U			DDR_CS3#		1			16		RP6
						DIMM_AMP1376409													2	DDR_CS3#
	GND														0805						MEMADD_A13		2			15		47*8
										X7R					C588	1	2	0.22U	2	DDR_CS1#	DDR_CS1#		3			14		RPX8
															0603D						DDR_CS2#		4			13
							Bypass capacitor												2	DDR_CS2#	DDR_CASA#		5			12
		X7R												Locae close to DIMMs GND					2	DDR_CASA#
																			2	DDR_WEA#	DDR_WEA#		6			11
+1.25VTT						+2.5VS_DIMM				+2.5VS_DIMM											DDR_CS0#		7			10
																			2	DDR_CS0#	DDR_RASA#		8			9
	C54	1	2	1000P															2	DDR_RASA#	DDR_BAA0		R373	1	47	2	0603
																			2	DDR_BAA0
	0603			10%																	MEMADD_A10		R374	1	47	2	0603
	C206	1	2	100P							C143	1	2	0.1U					2	DDR_BAA1	DDR_BAA1		R375	1	47	2	0603
				0603							16V		0603								MEMADD_A0		R376	1	47	2	0603
	C203	1	2	1000P			C207	1	2	0.1U	C165	1	2	0.1U							MEMADD_A1		1			16		RP9
	0603			10%			16V		0603		16V		0603								MEMADD_A2		2			15		47*8
	C64	1	2	100P			C196	1	2	0.1U	C227	1	2	0.1U							MEMADD_A3		3			14		RPX8
				0603			16V		0603		16V		0603								MEMADD_A4		4			13
							C249	1	2	0.1U	C173	1	2	0.1U							MEMADD_A6		5			12
							16V		0603		16V		0603								MEMADD_A5		6			11
							C185	1	2	0.1U	C129	1	2	0.1U							MEMADD_A8		7			10
							16V		0603		16V		0603								MEMADD_A7		8			9
				GND			C218	1	2	0.1U	C240	1	2	0.1U							MEMADD_A9		1				8	RP14
							16V		0603		16V		0603								MEMADD_A11		2				7	47*4
																					MEMADD_A12		3				6	1206
																							4				5
	Add 100PF and 1000PF									GND				GND
	VTT fill near
	Clawhammer and near
	DIMMs(Both sides)

Place alternating caps to GND and +2.5VDIMM in a single line along VTT island.

+1.25VTT+2.5VS_DIMM

+1.25VTT

C865

1

2

X7R

0.22U

16V

0603

C94

1

2

X7R

0.22U

16V

0603

C857

1

2

4.7U

0805

C407

1

2

0.22U

C869

1

2

X7R

0603D

0.22U

16V

0603

C546

1

2

4.7U

0805

C861

1

2

0.22U

0603D

C464

1

2

4.7U

0805

C838

1

2

0.22U

C108

1

2

X7R

0603D

0.22U

16V

0603

C862

1

2

4.7U

C874

1

2

X7R

0805

0.22U

16V

0603

C856

1

2

4.7U

0805

Place a cap every 1

inch on VTT trace

GND

between Clawhammer and

DDR

<Core Design>

Title

8355 M/D B/D

Size

Document

Rev

C

PCB316675400001/ASSY411675400001

R01

Number

Date:

Friday, September 19, 2003

Sheet

4

of

32

B

A

5

4 3 2 1

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