MiTAC 8575 - Page 151

150
8575
8575
N/B Maintenance
N/B Maintenance
+3VS
L516
120Z/100M
C623
0.01µ
DDRAVDD
DDRAVSS
C624
0.1µ
C632
10µ
JL507
U4
IGUI
Host/Memory
Controller
SiS650
8.5 Memory Test Error
Extend SDRAM is failure or system hangs up.
RP7
470
+2.5V_DDR
CKE [0:3]
DDR_DQM [0:7]
DDR_MD [0:63]
DDR_MA [0:12], DDR_DQS [0:7]
DDR_RAS#, DDR_CAS#, DDR_WE#
RP8~RP12 10*8
RP13~RP15 0*8
RP16~RP20 10*8
RP21~RP33
33*8
MD [0:63]
MA [0:12], DQS [0:7]
BA [0,1], CS [0:3]#
RAS#, CAS#, WE#
DQM [0:7]
+1.25V
U508
Clock Gen.
ICS952001
U9
Clock Buffer
ICS93722
R613
150
DDRVREFA
+2.5V_DDR
C689
0.01µ
R612
150
C688
0.01µ
R616
150
DDRVREFB
+2.5V_DDR
C692
0.01µ
R615
150
C693
0.01µ
+3VS
R599
4.7K
DRAM_SEL
SDRAMCLK
FWDSDCLKO
R614
22
8
47
R632
22
SMBDATA
SMBCLK
R658
33
R662
33
35
34
7
22
2,1,4,5,13,14,17,16,24~27
CLK_DDR [3:5] , CLK_DDR [3:5]#
CLK_DDR [0:2] , CLK_DDR [0:2]#
CKE 0,1
CKE 2,3
CS [0,1]#
CS [2,3]#
R90,R89,R94
R91,R88,R93
0
R98,R100,R102
R97,R101,R103
0
DDR_BA [0,1], DDR_CS [0:3]#
R836
4.7K
R837
4.7K
+3VS
SMBDATA
SMBCLK
P11
P11
P7
J505
J506
P12
P12
+DDRREF
+2.5V_DDR
R95
1K
+2.5V_DDR
R556
1K
+DDRVREF
From U14 SiS961
P15
DDR SODIMM
DDR SODIMM
CLK_DDR [0:5] , CLK_DDR [0:5]#