132
8575
8575
A N/B Maintenance
A N/B Maintenance
8.2 No Display
****** Power Good & Reset Circuit Check ******
P
24
P
26
PU510
PU508
8575A
Power
Module
U502
MIC5248
+5VS
R517
10K
U1
CPU
Pentium 4
P
4
CPU_CORE_EN
VCCPVID
PG
OUT
4
5
IN
EN
+5VS
1,3
C514
0.1µ
R894
0
C513
1µ
P
5
U4
IGUI
Host/Memory
Controller
SiS650
P
6
P
7
+VCC_CORE
R12
301
CPURST#
CPUPWRGD
R512
51
-PCIRST
U14
MuTIOL
Media I/O
Controller
SiS961
P
14
P
15
-PCIRST
U2
MAX809
RESET#
2
VCC
+3VS
3
C223
0.1µ
R145
100K
P
7
U509
Micro
Controller
H8/F3437
P
22
SW502
+5VA
4
R718
1K
C799
0.01µ
3
R725
10K
VCC
MN
RESET
U515
P
22
R724
100K
-H8_RESET
1
1
H8_PWRON
49
R682
1K
PWR_ON
R679
20K
C732
10P
+3V
R665
10K
SIS_PWRBTN
Q515
DTC144WK
SIS_PWRBTN#
91
R705
1K
D513
RLS4148
+3V
C782
22µ
R706
100K
AUXOK
AUXOK
PWROK
PWROK
PWROK
H8_PWROK
68
H_PWRGD
D14
RLS4148
D15
RLS4148
CPU_CORE_EN
Q19
DTC144TKA
+5VS
R215
10K
R1
R1
R214
10K
Q18
DTC144TKA
IDE_RST#
1
5
P
17
P
17
J19
J12
Primary EIDE
Connector
Secondary EIDE Connector
-PCIRST
AC97_RST#
To I/O devices
U504
SiS301LV
Chrotel/CH7019
U6
PCMCIA
Controller
U511
LPC
Super I/O
J509
MINI PCI
Socket
U18
IEEE 1394
Controller
P
9
P
29
P
28
P
21
P
18
J18
MDC
P
19
U15
Audio Codec
P
20