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Schematic Diagrams
CLOCK GENERATOR
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| CKVDD |
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| L31 |
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| U5 |
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| RP1 |
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+3VS | 1 | 2 |
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| 1 | VDDA |
| CPUCLK8T0 | 56 |
| 1 | 4 | CPUCLK | CPUCLK (3) | |
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| 2 | 3 | CPUCLK# | |||||||
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| C588 | C662 | C612 | C640 | C661 | C613 |
| 10 | VDDREF |
| CPUCLK8C0 |
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| RP2 | CPUCLK#(3) | |||
| C122 |
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| 0.1UF | 0.1UF | 0.01UF | 0.01UF |
| 16 | VDDPCI |
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| 53 |
| 1 | 4 | HCLK | HCLK | (10) |
| 0.1UF | 10UF(0805) | 1UF(0603) |
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| 20 | VDDPCI |
| CPUCLK8T1 | 52 |
| 2 | 3 | HCLK# | |||
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| 21 | VDD |
| CPUCLK8C1 |
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| RP3 | HCLK# | (10) | ||
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| 26 | VDD48 |
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| 1 | 4 | SRCCLK_VGA | SRCCLK_VGA(14) | |
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| L37 |
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| 39 | VDDAGP |
| PCIEXT0 | 46 |
| 2 | 3 | SRCCLK_VGA# | ||
| +3VS | 1 | 2 |
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| 45 | VDDPCIEX |
| PCIEXC0 |
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| RP4 | SRCCLK_VGA#(14) | |||
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| 51 | VDDPCIEX |
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| 1 | 4 | PECLK_NB | PECLK_NB(9) | ||||
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| C671 | C652 | C641 | C159 |
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| VDDCPU |
| PCIEXT1 | 43 |
| 2 | 3 | PECLK_NB# | ||
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| C158 |
| 10UF(0805) | 0.1UF | 0.01UF | 0.01UF |
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| PCIEXC1 |
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| PECLK_NB#(9) | |
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| 0.1UF |
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| 2 | GND |
| PCIEXT2 | 42 | T |
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| GNDREF |
| PCIEXC2 | T |
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| GNDPCI |
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| 24 | GNDPCI |
| PCIEXT3 | 37 | T |
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| GND48 |
| PCIEXC3 | T |
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| GNDAGP |
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| GNDPCIEX |
| PCIEXT4 | T |
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| GNDPCIEX |
| PCIEXC4 | T |
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| 54 | GND |
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| GNDCPU |
| PCIEXT5 | 33 | T |
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| PCIEXC5 | T |
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| SMBCLK |
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| VCLK_NB |
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| (5,12,20,27) SMBCLK |
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| 31 | SCLK |
| AGPCLK0 | 29 | FS4 | R126 | 22 | VCLK_NB (10) | |||||
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| (5,12,20,27) SMBDATA |
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| SMBDATA |
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| 48 | SDATA |
| FS4/AGPCLK1 | 27 |
| R127 | 22 | VCLK_SB | VCLK_SB (13) | |||
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| AGPCLK2 |
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| R505 | 22 | PCLK_FWH | |||||
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| C614 | C663 |
| +3VS | R495 | 10K | 9 | VTTPWRGD/PD# | FS2/PCI0 | 11 | FS2 | R107 | 22 | PCLKSIO | PCLK_FWH(22) | ||
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| RESET# |
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| 12 | FS3 | R108 | 22 | PCLKLAN | PCLKSIO(22) | |||||||
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| FS3/PCI1 | 13 |
| R111 | 22 | PCLK1394 | PCLKLAN (20) | ||
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| 100PF(R) | 100PF(R) |
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| RESET# |
| PCI2 | 14 |
| R112 | 22 | PCLKH8 | PCLK1394 (19) | |
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| R106 | 475_1% |
| 49 | IREF |
| PCI3 | 17 |
| R113 | 22 | PCLKPCM | PCLKH8 (24) | |
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| PCI4 | 18 |
| R117 | 22 | PCLKSB | PCLKPCM(17) | ||
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| PCI5 |
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| R510 | 22 | PCLKMINI1 | PCLKSB (13) | |
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| C129 22PF |
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| R114 | 22 | PCLKMINI2 | PCLKMINI1(29) | |
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| X1 |
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| FS0 | R485 | 22 | APICCLK | PCLKMINI2(29) | |
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| X1 |
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| FS0/REF0 | 4 | R102 | 22 | SIO_OSC | APICCLK(13) | ||
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| D04 |
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| 5 | FS1 | R103 | 22 | CODECCLK14 | SIO_OSC(12) | |||
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| 14.31M |
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| FS1/REF1 | 22 |
| R118 | 33 | USBCLK48 | CODECCLK14(25) | ||
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| 1 |
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| 48MHz |
| USBCLK48(11) | ||||||
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| C128 22PF |
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| 7 | X2 |
| 23 | 48MHZSEL | R131 | 22 | SIOCLK48 | |||
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| SEL24_48#/24_48MHz |
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| SIOCLK48(22) | |||
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| ICS953201 |
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Clock Synthesizer
PECLK_NB | R105 | 49.9_1% | |||
PECLK_NB# | R110 |
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| 49.9_1% |
SRCCLK_VGA | R496 | 49.9_1% | |||
SRCCLK_VGA# R506 |
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| 49.9_1% | |
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| Place these components close to their | ||
| respective series damping resistor of | ||
| the clock ouput. |
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| 48MHZSEL R132 | 10K |
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| +3VS |
FS_0 | FS0 | R481 | 10K |
FS_1 | FS1 | R482 | 10K |
FS_2 | FS2 | R491 | 10K(R) |
FS_3 | FS3 | R492 | 10K(R) |
FS_4 | FS4 | R128 | 10K |
R129 R494 R493 R484 R483
8.2K(R) 8.2K 8.2K 8.2K(R) 8.2K(R)
Place these components close to their respective series damping resistor of the clock ouput.
Set FS_[4:0] value at 10011 for default frequencies as below:
CPU | PCIEX | AGP | PCI |
200.00 | 100.00 | 66.67 | 33.33 |
| PCLKSB | C659 | 10PF(R) |
Sheet 2 of 40
CLOCK
GENERATOR
B.Schematic
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| R136 | 10K |
(3,10,11,13,31) ALL_PWRGD | ALL_PWRGD R130 | 0(R) | RESET# | |
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+3VS
+3VS (8,9,10,11,12,13,14,15,16,19,20,21,22,24,25,27,29,31,32,33)
+3VS
FS_[4:0] | CPU | PCIEX | AGP | PCI | FS_[4:0] | CPU | PCIEX | AGP | PCI |
00000 | 100.90 | 100.90 | 67.27 | 33.63 | 10000 | 100.00 | 100.00 | 66.67 | 33.33 |
00001 | 133.90 | 100.43 | 66.95 | 33.48 | 10001 | 133.00 | 100.00 | 66.67 | 33.33 |
00010 | 168.00 | 100.80 | 67.20 | 33.60 | 10010 | 166.66 | 104.16 | 69.44 | 34.72 |
00011 | 202.00 | 101.00 | 67.33 | 33.67 | 10011 | 200.00 | 100.00 | 66.67 | 33.33 |
00100 | 100.20 | 100.20 | 66.80 | 33.40 | 10100 | 103.00 | 103.00 | 68.67 | 34.33 |
00101 | 133.50 | 100.13 | 66.75 | 33.38 | 10101 | 137.33 | 103.00 | 68.66 | 34.33 |
00110 | 166.70 | 100.02 | 66.68 | 33.34 | 10110 | 171.66 | 103.00 | 68.66 | 34.33 |
00111 | 200.40 | 100.20 | 66.80 | 33.40 | 10111 | 206.00 | 103.00 | 68.67 | 34.33 |
01000 | 160.00 | 100.00 | 66.67 | 33.33 | 11000 | 208.00 | 104.00 | 69.33 | 34.67 |
01001 | 202.00 | 101.00 | 67.33 | 33.67 | 11001 | 210.00 | 105.00 | 70.00 | 35.00 |
01010 | 210.00 | 105.00 | 70.00 | 35.00 | 11010 | 215.00 | 107.50 | 71.67 | 35.83 |
01011 | 212.00 | 106.00 | 70.67 | 35.33 | 11011 | 220.00 | 110.00 | 73.33 | 36.67 |
01100 | 270.00 | 101.25 | 67.50 | 33.75 | 11100 | 226.00 | 113.00 | 75.33 | 37.67 |
01101 | 225.00 | 112.50 | 75.00 | 37.50 | 11101 | 230.00 | 115.00 | 76.67 | 38.33 |
01110 | 266.67 | 100.00 | 66.67 | 33.33 | 11110 | 240.00 | 120.00 | 80.00 | 40.00 |
01111 | 300.00 | 112.50 | 75.00 | 37.50 | 11111 | 250.00 | 125.00 | 83.33 | 41.67 |
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USBCLK48 | C660 |
| 10PF(R) | |
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SIOCLK48 | C670 |
| 10PF(R) | |
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PCLKLAN | C611 |
| 10PF(R) | |
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PCLK1394 | C638 |
| 10PF(R) | |
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PCLKH8 | C639 |
| 10PF(R) | |
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PCLKPCM | C649 |
| 10PF(R) | |
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SIO_OSC | C595 |
| 10PF(R) | |
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PCLKMINI1 | C651 |
| 10PF(R) | |
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PCLKSIO | C610 |
| 10PF(R) | |
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PCLKMINI2 | C650 |
| 10PF(R) | |
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VCLK_NB | C984 |
| 10PF | |
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VCLK_SB | C985 |
| 10PF | |
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CPUCLK | D04 |
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C589 |
| 10PF(R) | ||
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CPUCLK# | C596 |
| 10PF(R) | |
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HCLK | C597 |
| 10PF(R) | |
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HCLK# | C615 |
| 10PF(R) | |
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Diagrams
CLOCK GENERATOR B - 3