Clock synthesizer, Intel, Ck-815 2-dimm – Intel 815 User 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