Intel 820E VCMOS15, Gtlref, CPURST#R2 DBRESET#, Tckr TDI Tmsr, AD6, Itpclk Thermdnr, Thermdp, NC1

8	7	6
		VTT1_5
ITP Test Port Option		VTT1_5
VTT1_5		R535
D			150	R523
		R516
R514
		150

5

VTT1_5

4 3 2 1

VCMOS1_5

VTT1_5

		VTT1_5
Place C431 near VCMOS pin			Place 4-0.1uF within 500 mils of the processor input pins
C431	0.1UF	4,6	GTLREF					R131
			4,6
		GTLREF						75-1%
			0.1UF	0.1UF	0.1UF	0.1UF	R130	1%-150
			C433	C432	C434	C435

D

		1K
4,6,8,37 CPURST# R513			J28
		CPURST#_R2	1
DBRESET# 240	R512 DBRST#_R4		3
36	0K	6	5
TCK_R
4		8	7	TDI
TMS_R
4

1K	330
	AN35

SKT1

TDI

AB36	AD36	Z36	E33	F18	K4	R6	V6	AD6	AK12	AK22
V CMOS V1 5 V2 5			VREF0	VREF1 VREF2		VREF3	VREF4 VREF5		VREF6 VREF7

BNR#

AH14

BNR#

6,37

				ITP_PON10		9	TDO
					12	11	TRST#
					14	13			4
					16	15	ITPREQ#
									4
					18	17	ITPRDY#_R
					20	19	R518
					22	21
					24	23	240
					26	25
					28	27
C		5	ITPCLK		30	29
	THERMDN_R		R122	THERMDN
			0K		VCC3_3SBY_MTH
	THERMDP_R		R121	THERMDP
			0K
				U9			VTT1_5
			2
				ADM1021
	3	DXP	VCC2
	4	DXN		STBY# 15			R522
				ADD0 10				86
B	1	NC1		ADD1 6
	5	NC5	SMBCLK 14		SMBCLK_CORE		9,11,15,38
	9	NC9
			SMBDATA 12		SMBDATA_CORE				8,38
	13						9,11,15,38

			AN37
			AN33
TCK_R	R517	TCK	AL33
TMS_R	R515	47TMS	AK32
		47	J37
ITPRDY#			A35

G33

E37

C35

R520E35

680

N33

N35

N37

Q33

Q35

Q37

AK30

VTT1_5	AM2
	F10
	W35
	Y1
	R2
	G37
	L33
	X2
	AJ3
	AL1
	AN3

APICD0	J35
APICD1	L35

AN17

TDO

BPRI#

AN25

BPRI#

HTRDY#

6,37

TRST#

TRDY#

6,37

TCK

DEFER#

AN19

DEFER#

6,37

AK20

TMS

LOCK#

AN27

HLOCK#

DRDY#

6,37

DRDY#

6,37

HITM#

AL23

HITM#

6,37

HIT#

AL25

HIT#

6,37

AL27

DBSY#

AN31

DBSY#

HADS#

6,37

ADS#

AE37

FLUSH#

FLUSH#

6,37

38

AJ33

VRM_PWRGD

370-PIN SOCKET

AJ31

AN29

SEL133/100#

BR0#

8,9,33,36

5,7

BSEL0#

BSEL1#

BR0#

38

PART 2

THRMDP

AL31

THERMDP

4

THRMDN

AL29

AH28

THERMDN

4

THERMTRIP#

A20M#

AE33

AG35

A20M#	8
STPCLK#

STPCLK#

8

SLP#

AH30

AJ35

CPUSLP#

8

SMI#

M36

LINT0/INTR

LINT0 8 VCCVID

LINT1/NMI

L37

LINT1

8

INIT#

AG33

HINIT#

8,10

FERR#

AC35

AG37

FERR#	8,38
IGNNE#

IGNNE#

AE35

IERR#

8	R544
		1

PLL1

PLL2

W33

U33

L26

C437

2 + 1

RSP#

AC37

33UF 20% 4.7UH

C

B

NC13		ALERT# 11	THRM#	9	8,38
16 NC16
	GND8	GND7			5
					5
	8	7
		VCC3_3			8,36
				4,6,8,37
		R519
		182
		1%			R511
A					22
		R521	C436 1
				C429
		110	+		C428
		1%		0.1UF
			4.7UF 2		10PF

APICCLK_CPU	J33
CPUHCLK	W37
	Y33
PWRGOOD	AK26
CPURST#	AH4
	X4

AG1

C37

AP0#

AP1#

AL11

AN13

AN23

VCMOS1_5

PREQ#

PRDY#

BP2#

BP3#

BPM0#

BPM1#

RSRVD6

RSRVD7

RSRVD8

RSRVD9

RSRVD10

RSRVD11

RSRVD12

RSRVD13

RSRVD15

RSRVD16

RSRVD17

RSRVD18

RSRVD19

RSRVD20

RESVD21

RESVD22

RESVD23

RESVD24

PICD0

PICD1

PICCLK

BCLK CLKREF

RP#

BINIT#

B36

PWRGOOD RESET# RESET2#

AERR#

BERR#

AK24

V4

R547 330

EDGCTRL

SLEWCNTR

E27

S35

SLEWCTRL RTTCTRL

38

RTTCNTR

38

CPUPRES#

VCOREDET

SMI#

8

E21

VCOREDET#

	36
R545	R546
56	33
	C475
	100PF

A

8 7 6

			TITLE: INTEL(R) 820E CHIPSET 2 DIMM FCPGA REFERENCE BOARD				REV:
			PROCESSOR CONNECTOR			DRAWN BY:	0.5
				R	PCG PLATFORM DESIGN		PROJECT:
						PCG AE	Camino2
					1900 PRAIRIE CITY ROAD
					FOLSOM, CALIFORNIA 95630	LAST REVISED:	SHEET:
						3-20-2000_10:15	4 OF 40
5	4	3			2	1