Intel 815 - Manual (Page 178)

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Clock Synthesizer
Notes:
Place all decoupling caps as close to VCC/GND pins as possible
PCI_0/ICH pin must go to ICH.
This clock cannot be turned off through SMBus
CPU_ITP pin must go to ITP
Only CPU_ITP can be turned off through SMBus INTEL(R) 82815 CHIPSET CUSTOMER REFERENCE BOARD
CLOCK SYNTHESIZER
40
1.0
3-26-01
5
Platform Apps Engineering
1900 Prairie City Road
Folsom, CA 95630
REV.
R
Last Revision Date:
Sheet:
of
Title:
intel
MEMV3
PCIV3
XTAL_OUT
XTAL_IN
3V66_0
3V66_1
PCI_0
PCI_1
PCI_3
PCI_4
PCI_5
PCI_6
AGP
USB_1
L_CKVDDA
CPU_0_1
CPU_2
APIC_0
DRAM_0
DRAM_1
DRAM_2
DRAM_3
DRAM_4
DRAM_5
DRAM_6
DRAM_7 MEMCLK0
MEMCLK1
MEMCLK2
MEMCLK4
MEMCLK5
MEMCLK6
MEMCLK7
DCLK
SEL1_PU
L_VCC2_5
REFCLK
USB_0
U10D_R292
R67_U10D
U10D_R293
USBV3
MEMCLK3
APIC_1
ICH_CLK14 13
R_REFCLK 4,7
ICH_3V66 13
PCLK_0/ICH 12
PCLK_1 15
PCLK_3 16
PCLK_4 17
PCLK_5 29
PCLK_6 14
AGPCLK_CONN 9
USBCLK 13
DOTCLK 8
GMCH_3V66 8
APICCLK_CPU 4
APICCLK_ICH 12
CPUHCLK 4
GMCHHCLK 6
ITPCLK 4
DCLK_WR 7
MEMCLK[7:0] 10,11
CK_PWRDN# 35
CK_SMBCLK 25
CK_SMBDATA 25
FREQSEL 4
SIO_CLK14 15
USB_CLK 19
HUBPRB_3V66 39
VTTPW RGD12 31
TUAL5 4,7,31
VCC_CLK
VCC_CLK
VCC_CLK
VCC_CLK
VCC2_5
VCC3SBY
VCC3_3
VCC3_3
VCC_CLK
U10D
SN74LVC08A
13
12
11
14
7
CK-815
2-DIMM
U4
CK_815_2DIMM
3
4
1
7
8
12
13
15
16
18
19
20
9
25
26
22
23
55
54
52
50
49
46
45
43
42
40
39
37
36
34
32
31
30
29
28
51
53
56
48
2 10 11 21 27 33 38 44
5 6 14 17 24 35 41 47
XTAL_IN
XTAL_OUT
REF0
3V66_0
3V66_1
PCI_0/ICH
PCI_1
PCI_2
PCI_3
PCI_4
PCI_5
PCI_6
AGP
USB_0
USB_1
VDD_A
VSS_A
APIC_0
APIC_1
CPU_0
CPU_1
CPU_2/ITP
SDRAM_0
SDRAM_1
SDRAM_2
SDRAM_3
SDRAM_4
SDRAM_5
SDRAM_6
SDRAM_7
DCLK
PWRDWN#
SCLK
SDATA
SEL1
SEL0
VDD2_5[0]
VDD2_5[1]
VSS2_5[1]
VSS2_5[0]
VDD3_3[0] VDD3_3[1] VDD3_3[2] VDD3_3[3] VDD3_3[4] VDD3_3[5] VDD3_3[6] VDD3_3[7]
VSS3_3[0] VSS3_3[1] VSS3_3[2] VSS3_3[3] VSS3_3[4] VSS3_3[5] VSS3_3[6] VSS3_3[7]
C144
22uF
1
2
C147
0.001uF
1
2
C146
0.1uF
1
2
R67
33
1 2
R64
10
1 2
R65 10K
1 2
C158
0.1uF
1
2
C157
0.001uF
1
2
C156
0.1uF
1
2
C159
0.001uF
1
2
R44 8.2K
1 2
R71 33
1 2
R69 22
1 2 R68 22
1 2
L14A
1 2
R76 33
1 2 R75 33
1 2
R73 33
1 2
R292
10
1
2
R79 10
1 2
R70 33
1 2
R78 33
1 2 R77 33
1 2
R80 33
1 2
R293
1K
1
2
Q27
MOSFET N
C109
0.001uF
1
2
C108
0.1uF
1
2
C149
0.1uF
1
2
C107
0.001uF
1
2
C150
0.001uF
1
2
C101
0.1uF
1
2
C100
4.7uF
1
2
C102
0.001uF
1
2
C153
0.001uF
1
2
L15A
1 2
C106
22uF
1
2
C151
0.1uF
1
2
L12A
1 2
R338
130
1
2
R339
0
1 2
R66 10
1 2
C152
0.1uF
1
2
L11A
1 2
C154
0.1uF
1
2
C155
22uF
1
2
L16A
1 2
R38 33
1 2
R39 33
1 2
R42 33
1 2 R40 33
1 2 R41 33
1 2
Q28
MOSFET N
R47 22
1 2 R46 22
1 2 R45 22
1 2 R43 22
1 2
R51 22
1 2 R50 22
1 2 R49 22
1 2 R48 22
1 2
R52 22
1 2
R74
33
1 2
Y1A
XTAL
14.318MHz
1
2
C143
18pF
1 2
C145
18pf
1 2