Service Manuals, User Guides, Schematic Diagrams or docs for : ECS a928-1-4-01-r3
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5 4 3 2 1
0.3
A928 SCHEMATICS
01. THIS PAGE
02. Pentium 4 CPU
D
03. Pentium 4 CPU D
04. Pentium 4 CPU
05. SIS 650 ( AGP/ HOST )
06. SIS 650 ( VGA/ MULTI-IO )
07. SIS 650 ( RAM CONTROLLER )
08. SIS 650 ( POWER )
09. SIS 961 ( PCI/ IDE/ MULTI-IO )
10. SIS 961 ( MISC. )
11. SIS 961 ( USB )
12. SIS 961 ( POWER )
13. MAIN CLOCK GENEATOR
14. CLOCK BUFFER
15. CRT / COM PORT
C C
16. DDR SODIMM
17. DDR TERMINATION
18. AC'97 CODEC
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19. OP AMPLIFIER / AUDIO JACK
20. HDD / CDROM CONN.
21. LPC SUPER IO
22. KBC / TOUCH PAD/ ROM
23. LPT PORT
24. H/W MONITOR ( W83784AR/785R )
25. SIS 301LV
26. LCD/TV CONN.
27. MINI PCI CONN.
B
28. LAN PHY/TRANSFORMER B
29. RTC/ POWER SW
30. USB 2.0
31. USB PORTS/MODEM CONN.
32. 1394
33. DC IN Digitally signed by
34. MAXIM 1632 fdsf
35. CPU POWER
36. DDR POWER
DN: cn=fdsf,
37. HISTORY o=fsdfsd, ou=ffsdf,
P/N : KK0A928012030
email=fdfsd@fsdff,
GERBER : KK0A928012030.ZIP c=US
A
PAGE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Date: 2010.01.06 A
REV
DATE
3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0
02/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/2002
06:11:21 +07'00' INITIAL CHECK APPROVE
PAGE 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
ECS CORPORATION
REV 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 Title
LEADER A928 M/B
DATE 02/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/200202/20/2002 Size Document Number R ev
C A928-1-4-01 3.C
Date: Friday, April 12, 2002 Sheet 1 of 37
5 4 3 2 1
8 7 6 5 4 3 2 1
VCCP
D D
AC10
AC12
AC14
AC16
AC18
AD11
AD13
AD15
AD17
AD19
AA10
AA12
AA14
AA16
AA18
AB11
AB13
AB15
AB17
AB19
AE10
AE12
AE14
AE16
AE18
AE20
AF11
AF13
AF15
AF17
AF19
AF21
AC8
AD7
AD9
AA8
AB7
AB9
AE6
AE8
AF2
AF5
AF7
AF9
C10
C12
C14
C16
C18
C20
D11
D13
D15
D17
D19
A10
A12
A14
A16
A18
A20
B11
B13
B15
B17
B19
E10
E12
E14
E16
E18
E20
K26
K25
F11
F13
F15
F17
F19
L25
J26
C8
D7
D9
A8
B7
B9
E8
F9
U30
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
DEP3
DEP2
DEP1
DEP0
HD-0 B21 AB1
HD-1 HD0 HA35
B22 HD1 HA34 Y1
HD-2 A23 W2
HD-3 HD2 HA33
A25 HD3 HA32 V3
HD-4 C21 U4 HA-31
HD-5 HD4 HA31 HA-30
D22 HD5 HA30 T5
HD-6 B24 W1 HA-29
HD-7 HD6 HA29 HA-28
C23 HD7 HA28 R6
HD-8 C24 V2 HA-27
HD-9 HD8 HA27 HA-26
B25 HD9 HA26 T4
HD-10 G22 U3 HA-25
HD-11 HD10 HA25 HA-24
H21 HD11 HA24 P6
HD-12 C26 U1 HA-23
HD-13 HD12 HA23 HA-22
D23 HD13 HA22 T2
HD-14 J21 R3 HA-21
HD-15 HD14 HA21 HA-20
D25 HD15 HA20 P4
HD-16 H22 P3 HA-19
HD-17 HD16 HA19 HA-18
E24 HD17 HA18 R2
HD-18 G23 T1 HA-17
HD-19 HD18 HA17 HA-16
F23 HD19 HA16 N5
HD-20 F24 N4 HA-15
HD-21 HD20 HA15 HA-14
E25 HD21 HA14 N2
C HD-22 F26 M1 HA-13 C
HD-23 HD22 HA13 HA-12
D26 HD23 HA12 N1
HD-24 L21 M4 HA-11
HD-25 HD24 HA11 HA-10
G26 HD25 HA10 M3
HD-26 H24 L2 HA-9
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HD-27 HD26 HA9 HA-8
M21 M6
HD-28 HD27 HA8 HA-7
L22 L3
HD-29 HD28 HA7 HA-6
J24 K1
HD-30 HD29 HA6 HA-5
K23 L6
HD-31 HD30 HA5 HA-4
H25 K4
HD-32 HD31 HA4 HA-3
M23 K2
HD-33 HD32 HA3
N22
HD-34 HD33 VID0
P21 AE5
HD-35 HD34 VID0 VID1
M24 AE4
HD-36 HD35 VID1 VID2
N23 AE3
HD-37 HD36 VID2 VID3
M26 AE2
HD-38 HD37 VID3 VID4
N26 AE1
HD-39 HD38 VID4 VCCP
N25
HD-40 HD39 HREQ-4
R21 H3
HD-41 HD40 REQ4 HREQ-3
P24 J3
HD-42 HD41 REQ3 HREQ-2
R25 J4
HD-43 HD42 REQ2 HREQ-1
R24 K5
HD-44 HD43 REQ1 HREQ-0
T26 J1
HD-45 HD44 REQ0
T25
HD-46 HD45
T22 AB4 R32 51_1%
HD-47 HD46 BPM5
T23 AA5 R37 51_1%
HD-48 HD47 BPM4
U26 Y6 R39 51_1%
HD-49 HD48 BPM3
U24 AC4 R31 51_1%
HD-50 HD49 BPM2 BPM1
U23 AB5
B HD-51 HD50 BPM1 BPM0 VCCP B
V25 AC6
HD-52 HD51 BPM0
U21
HD-53 HD52
V22 AD25 R365 51_1%
HD-54 HD53 TESTHI12
V24 A6
HD-55 HD54 TESTHI11
W26 Y3 R45 51_1%
HD-56 HD55 TESTHI10
Y26 W4
HD-57 HD56 TESTHI9
W25 U6
HD-58 HD57 TESTHI8
Y23 AB22 R368 51_1%
HD-59 HD58 TESTHI7
Y24 AA20
HD-60 HD59 TESTHI6
Y21 AC23
HD-61 HD60 TESTHI5
AA25 AC24
HD-62 HD61 TESTHI4
AA22 AC20
HD-63 HD62 TESTHI3
AA24 AC21
HD63 TESTHI2
AA2 R370 51_1%
RS-0 TESTHI1 R367
SKTOCC#
F1 AD24 51_1%
RS-1 RS0 TESTHI0
G5
RS-2 RS1
F4
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
RS2
AMP_C1364990_MPGA478D VCCP
H1
H4
H23
H26
A11
A13
A15
A17
A19
A21
A24
A26
A3
A9
AA1
AA11
AA13
AA15
AA17
AA19
AA23
AA26
AA4
AA7
AA9
AB10
AB12
AB14
AB16
AB18
AB20
AB21
AB24
AB3
AB6
AB8
AC11
AC13
AC15
AC17
AC19
AC2
AC22
AC25
AC5
AC7
AC9
AD1
AD10
AD12
AD14
AD16
AD18
AD21
AD23
AD4
AD8
AE11
AE13
AE15
AE17
AE19
AE22
AE24
AE26
AE7
AE9
AF1
AF10
AF12
AF14
AF16
AF18
AF20
AF26
AF6
AF8
B10
B12
B14
B16
B18
B20
B23
B26
B4
B8
C11
C13
C15
C17
C19
C2
BPM1 R366 51_1%
BPM0 R364 51_1%
A A
RS-[0..2]
5 RS-[0..2]
HD-[0..63]
5 HD-[0..63]
HA-[3..31]
5 HA-[3..31] ECS CORPORATION
HREQ-[0..4] Title
5 HREQ-[0..4] SOCKET 478 - 1
VID[0..4] Size Document Number R ev
35 VID[0..4] CustomA928-1-4-01 3.0
Date: Friday, April 12, 2002 Sheet 2 of 37
8 7 6 5 4 3 2 1
8 7 6 5 4 3 2 1
VCCP
HDSTBP-[0..3]
5 HDSTBP-[0..3] CPUGTLVREFA R53 49.9_1%
HDSTBN-[0..3] CPUGTLVREFB R49 49.9_1%
5 HDSTBN-[0..3]
DBI-[0..3]
5 DBI-[0..3] CB2 CB6 CB4 R50 CB1 CB5 CB3 R52
HASTB-[0..1]
5 HASTB-[0..1] 220pF 220pF 1uF 100 1% 220pF 220pF 1uF 100 1%
AA21
AA6
C25
D10
D12
D14
D16
D18
D20
D21
D24
C22
F20
C5
C7
C9
D3
D6
D8
E1
F6
D U30B1 D
VCCP
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
GTLREF0
GTLREF1
GTLREF2
GTLREF3
L55 VCCP
4.7uH_0805_30% AC3
VCCIOPLL IERR FERR-
1 2 AE23 V6 R154 62 1%
VCCIOPLL MCERR FERR-
FERR B6 FERR- 10
1 2 VCCA AD20 Y4 STPCLK- BREQ0- R51 51_1%
VCCA STPCLK STPCLK- 10
L56 BINIT AA3
CT41 47UF/10V-D VSSA INIT- PROCHOT-
+
AD22 W5 INIT- 10 R395 62 1%
4.7uH_0805_30% VSSA INIT
RSP AB2
CT31 47UF/10V-D DBSY- CPUPWRGD
+
H5 DBSY- 5 R369 51_1%
DBSY DRDY-
AC26 ITP_CLK0 DRDY H2 DRDY- 5
AD26 J6 H TRDY- THERMTRIP- R410 62 1%
ITP_CLK1 TRDY H TRDY- 5
G1 ADS-
ADS ADS- 5
G4 HLOCK- A20M- R75 56 1%
LOCK HLOCK- 5
H6 BREQ0-
BRO BREQ0- 5
DBI-3 V21 G2 BNR- STPCLK- R374 56 1%
DB#3 BNR BNR- 5
DBI-2 P26 F3 HIT-
DB#2 HIT HIT- 5
DBI-1 G25 E3 HITM- CPUSLP- R373 56 1%
DB#1 HITM HITM- 5
DBI-0 E21 D2 BPRI-
DB#0 BPR BPRI- 5
E2 DEFER- SMI- R74 56 1%
DEFER DEFER- 5
D4 HTCK
HASTB-1 TCK HTDI INIT-
R5 C1 R377 56 1%
HASTB-0 ADSTB1 TDI HTMS
L5 ADSTB0 TMS F7
DBRESET AE25 E6 HTRST-
DBRESET TRST HTDO
TDO D5
C3 PROCHOT- IGNNE- R406 56 1%
NMI PROCHOT IGNNE-
10 N MI E5 LINT1 IGNNE B2 IGNNE- 10
C INTR D1 B5 SMI- INTR R393 56 1% C
10 INTR LINT0 SMI SMI- 10
C6 A20M-
A20M A20M- 10
AB26 CPUSLP- NMI R61 56 1%
SLP CPUSLP- 10
CPUCLK-0 AF23 AB23 CPUPWRGD
13 CPUCLK-0 BCLK1 PWRGOOD CPUPWRGD 5
CPUCLK0 AF22 AB25 CPURST- HTMS R57 39
CPURST- 5
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13 CPUCLK0 BCLK0 RESET
51.1 1% DBRESET R361 150
VCC_SENSE R383 COMP1 P1 B3 DXP
COMP0 COMP1 THERMDA DXP 24
R390 L24 C4 DXN CPURST- R372 51_1%
COMP0 THERMDC DXN 24
51.1 1% A2 THERMTRIP-
C114 THERMTRIP HTDO R70 75
0.1UF HDSTBP-3 W23
VSS_SENSE HDSTBP-2 STBP3 HTDI
P23 AD6 R401 150
HDSTBP-1 STBP2 BSEL0
J23 AD5
HDSTBP-0 STBP1 BSEL1
F21
HDSTBN-3 STBP0
W22
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