Service manual

Schematic Diagrams
Cedarview CPU Part D B - 3
B.Schematic Diagrams
Cedarview CPU Part D
R3 5
49.9_1%_04
R1 4 1K _0 4
C25 1
*0. 1 u_1 0V_X 7R_0 4
R 1 86 51_ 04
R3 4
2 . 2K _04
R9*1K_04
H_RSVD_K28
R30 *51_04
R6 51_ 04
C252
* 0. 1 u _10 V_ X7 R _04
R3 7
* 220 _04
R12 *1K_04
R7*1K_04
Q1 6
*G71 1ST9U
OUT
1
VC C
2
GND
3
R5 51_ 04
C22 6
*0 .1 u_ 16V _Y 5 V_ 04
R2 5 51 _04
R13 *1K_04
R28
2.2K_04
R36
49 .9_1%_04
R1 95 10 0_0 4
R196 *1K_04
R 1 0 51_ 04
R29
* 2 20_ 04
R 198 75 _1 % _0 4
R8*1K_04
CPU
C EDARVIEW
ICH
4 O F 6
REV = 1.10
U12 D
C D V _22 M M _R E V1 P1 0_5
CPUSLP#
B22
RSVD_N2 5
N25
RSVD_N2 4
N24
R SV D _W 26
W26
R SV D _W 25
W25
RSVD_R6
R6
RSVD_R5
R5
TR S T#
B24
TM S
D24
TD O
B25
TD I
C24
TC LK
C25
MV_ GPI O_RCOMP
K23
HV_GPIO_RCOMP
K24
RSVD_H3 0
H30
R SV D _J 31
J31
R SV D _K 29
K29
R SV D _L 30
L30
R SV D _L 29
L29
R SV D _K 30
K30
RSVD_H2 7
H27
R SV D _K 27
K27
R SV D _K 26
K26
R SV D _J 28
J28
R SV D _K 25
K25
ST R AP _K 2 8
K28
ST R AP _L 2 7
L27
R SV D _L 26
L26
RSVD_L24
L24
RSVD_L22
L22
RSVD_K21
K21
SVID_DATA
C1 6
SV I D _C LK
D1 8
SVID_ALERT#
B16
RSVD_F19
F19
RSVD_E19
E19
HPLL_ REFCLK
K19
H P LL_ R EF C LK _P
J19
PREQ#
G2 9
PRDY#
H2 9
DBR#
E30
RESET#
G3 0
PWRGOOD
D2 3
PROCHOT #
A19
PB E #
C2 0
RSVD_L11
L11
THERMTRIP#
B20
INTR/LINT0 0
D2 0
INIT #
A23
DPLSLP#
B21
DPRSTP#
C2 1
STPCLK#
D2 2
RSVD_C1 8
C1 8
NMI/LINT10
C2 2
SMI#
B18
R 197 11 0_ 1% _ 04
R 1 1 51_ 04
R 188 54 . 9_1 %_0 4
1. 05 VS
1. 05 VS
1. 0 5V S
1. 8V S1. 8V S
1. 05 VS
3. 3V
1. 8V S
H_ DPRSTP# 10
H_ INTR 9
H_ A2 0M# 9
H_ SMI# 9
H_ PW RGD 1 0
H_ STPCL K# 9
H_DPSLP# 10
H_ INIT# 9
H_ NMI 9
H_ FERR# 9
H_ THERMTRIP# 9
3. 3 V8, 1 0, 11 ,1 2, 13 , 15, 1 7, 19 ,20,21,22
3. 3 VS3,6,7,8,9,1 0, 1 1 , 12, 1 3, 14 ,15,16,21
1. 0 5V S5,7 , 9, 10 ,11,20,22
H_CPU_ S VI D C LK 22
H_CPU_SVIDALRT# 22
H_CPU_SVIDDAT 22
CLK_CP U_HPL# 7
PLTRST# 10
CLK_CP U_HPL 7
H_ PROCHOT# 2 2
H_ CPUSLP# 9
TH E R M_VOLT 15
1. 8 VS5, 15 , 21
LAYOUT NOTE:
H_CPUSL P#
Place term ination near CPU
H_INIT#
H_PROCHOT#
H_INT R
H_NMI
H_SMI#
H_A20 M#
H_STPCLK#
H_RSVD_H29
H_T CK
H_T RST #
H_T MS
H_T DI
Thermal IC
H_RSVD_G29
H_RSVD_L27
HV_GPIO_RCOMP
H_RSVD_H29
H_RSVD_K28
MV_GP I O_R C OMP
H_STPCLK#
CAD N ote: H_CP U_SVI DALR T#_R, H_CPU _SVI DDAT_ R
Place the PU r esist ors close to C PU
H_CPU_SVIDDAT_R
C AD No te: H_CPU _SVID CLK_ R
P lace the PU
r esist ors close to V R
H_CPU_SVIDCL K_ R
H_CPU_SVIDALRT#_ R
PROC HOT# m ust be terminated with a 56-O,
pu ll-up re sis tor to VCCP e ve n if it is n o t us ed.
8/30
1:2 (4mils:8mils)
PLACE NEAR CPU
3
2
1
PTH3
10 K_ N TC _0 6
12
H_RSVD_G29
R 19 0 * 10 m i l_s ho rt
D03
H_RSVD_L27
SVID Signals
H_CPU_SVIDALRT #_R
H_CPU_SVIDDAT_ R
H_CPU_SVIDCLK _ R
3.3V
EM I
R2 01
1 0K _1% _04
H_CPUSLP#
H_TCK
H_TDO
H_TDI
H_T DO
R 18 7 * 10 m i l_s ho rt
H_TRST#
H_TMS
R 18 9 * 10 m i l_s ho rt
H_INIT#
H_PROCHOT#
H_A20 M#
H_INTR
H_NMI
H_SMI#
Sheet 2 of 29
Cedarview CPU
Part D