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5 4 3 2 1
8SKML Schematics Revision 1.0
SHEET TITLE
D 1 COVER SHEET D
2 BOM & PCB MODIFY HISTORY
3 BLOCK DIAGRAM
4,5,6 INTEL CPU_WMT_478
7-10 SIS650GL (NORTH BRIDGE) HOST; DDR; AGP,HYPER ZIP
11-14 SIS961(B)/962 (SOUTH BIRDGE)
15 CKG(ICS952004) + CKBF (ICS93722)
C
16,17 DDR SDRAM DIMMS 1,2 & DDR TERMINATION C
18 VGA Connector
19 PCI SLOT 1-3
20 IDE,USB
21 Winbond W83697F
22 BIOS
23 COM,PRT,FDD,KB/MS,IR
24 AUDIO AC 97 CODEC
B B
25 AUDIO JACK,GAME PORT
26 RTL8100B & USB CONNECTOR
27 PANEL,STR LED,FANS ,CPU GN
28 VCORE PHASE PWM FAN5093M
29 ALL POWER CIRCUIT
30 ATX & ATX12V CONN
COMPONENT SIDE
(1 oz. Copper)
GND SIDE
31 GPIO Connecttion (1 oz. Copper)
A
VCC SIDE A
(1 oz. Copper)
SOLDER SIDE
32 TEST POINT (1 oz. Copper)
GIGABYTE
Title
COVER SHEET
Size Document Number Rev
Custom
GA-8SKML 1.0
Date: Tuesday, August 20, 2002 Sheet 1 of 31
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Model Name: 8SKML Circuit or PCB layout change
for next version
Version:1.0 Date Change Item Reason
D
07/01 8SLML REV0.2 --> 8SKML REV0.1 FIRST RELEASE D
Component value change AUTOBOM 07/29 8SKML REV0.1 --> 8SKML REV1.0 PVT
history 2002/05/24
Date Change Item Reason
07/04 9M8SLML-00-02 --> 9M8SKML-00-01 FIRST RELEASE
07/29 9M8SKML-00-01 --> 9M8SKML-00-10A PVT
08/5 9M8SKML-00-10A --> 9M8SKML-00-10B 1. PCB COLOR BLUE --> YELLOW
2. ADD USB CAP CN23,CN24,CN25
8P4C-22P
08/12 9M8SKML-00-10B --> 9M8SKML-00-10C 1.USB CAP CN23,CN24.CN25
8P4C-22P-->47P
2. VCORE ADD 50mv, R948 1K REMOVE,R950
1K --> 560,R949 10 -->22
C C
3.AGTLREF=1/2VCORE, R8 100 -->75
08/19 9M8SKML-00-10C --> 9M8SKML-00-10D 1.AUDIO STAC9721 --> ALC101
B B
A A
GIGABYTE
Title
BOM & PCB MODIFY HISTORY
Size Document Number Rev
Custom
GA-8SKML 1.0
Date: Tuesday, August 20, 2002 Sheet 2 of 32
5 4 3 2 1
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8SLML BLOCK
DIAGRAM
INTEL Pentium4 (478)
D D
CLOCK GENERATOR
(ICS952004+ICS93722)
PWM/OTHER POWER
VID0~4
VCORE = 1.75V (650-1100MHZ) / SLEEP : 1.3
V
VCC25 = 2.5V(I/O,MEMORY/I,VLINK/I) VCCA = 2.5V ; 2_5V = 2.5V PAGE 4, 5, 6 VCORE = 1.75V (650-1100MHZ) / SLEEP : 1.3V
VCC3 = 3.3V PAGE 15 5VSB,-12V,+12V,VCC,VCC3,3VDUAL
DDRVTT,DDR25V,3VSTR,VCC25 PAGE 28,29,30
VGA CONNECTOR
(R,G,B)
PAGE 18
SIS650GL NORTH BRIDGE
MAA0~14
MDD0~63 DDR SDRAM DIMM X 2
-DQSD0~8
VCORE = 1.75V (650-1100MHZ) / SLEEP : 1.3
V MPD0~7 DQM0~7
DDR25V = 2.5V(SUSPEND POWER) DDR25V = 2.5V(SUSPEND POWER)
VDDQ = 1.5V (AGP POWER 4 )X DDRVTT = 1.25V
VCC25 = 2.5V(I/O,MEMORY/I,VLINK/I) PAGE 16,17
C
PAGE 7 ,8 ,9,10 C
ZAD0~15
CONTROL BUS Z LINK
RTL8100BL & USB
CONN
SIS961 SOUTH BRIDGE PCI LAN
PAGE 26
USB PORTS 0~3 IDE Primary and Secondary
F_USB(USB POWER)
VCC25 = 2.5V(I/O,MEMORY/I,VLINK/I)
VCC = 5V
5VSB = 5V
AC97 LINK 3VDUAL = 3.3V(SUSPEND POWER)
VCC3 = 3.3V
5VUSB = 5V PAGE 13 RTCVDD = 3.3V VCC = 5V PAGE 20
PAGE 11,12,13
B
PCI BUS B
PCI SLOT 1,2,3 BIOS SST39SF020
+12 = 12V
-12 = -12V
VCC = 5V
VCC3 = 3V VCC = 5V
3VDUAL = 3V PAGE 19 VCC3 = 3V PAGE 22
LPC BUS
AC97 CODEC LPC W83697F
SIGMATEL 9721 -F
+12V = 12V
VCC3 = 3.3V VCC = 5V
VCC = 5V 5VSB = 5V
AVDD = 5V PAGE 24 VBAT = 3V PAGE 21
A
AUDIO PORTS : FRONT PANEL /FANS I/O PORTS : A
LIN_ OUT LINE_IN MIC
TELE CD_IN AUX_IN GAME PORT
VCC = 5V
5VSB = 5V
COMA LPT FDD
+12 = 12V
PAGE 25 PVCC = 5V PAGE 27 PAGE 23
Title
GIAGBYTE
BLOCK DIAGRAM
Size Document Number Rev
Custom
GA-8SKML 1.0
Date: Tuesday, August 20, 2002 Sheet 3 of 32
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(X5R) X11 1206(10U) NOTE:GIGA
VCORE
10U/12/X5R/6.3V/X 10U/12/X5R/6.3V/X
BC2 BC3 BC4 BC5
10U/12/X5R/6.3V/X 10U/12/X5R/6.3V
D D
VCORE
10U/12/X5R/6.3V/X
BC6 BC8
10U/12/X5R/6.3V/X VCORE
AD11
AD19
AC18
AC16
AC14
AC12
AC10
AD17
AD15
AD13
AE18
AE16
AE14
AE12
AE10
AE20
AB15
AB13
AB11
AB19
VCORE
AD9
AD7
AC8
AE8
AE6
AB9
AB7
E14
E12
E10
E20
E8
10U/12/X5R/6.3V/X P4A
VCORE10
VCORE11
VCORE12
VCORE13
VCORE14
VCORE15
VCORE16
VCORE17
VCORE18
VCORE19
VCORE20
VCORE21
VCORE22
VCORE23
VCORE24
VCORE25
VCORE26
VCORE27
VCORE28
VCORE29
VCORE30
VCORE31
VCORE32
VCORE1
VCORE2
VCORE3
VCORE4
VCORE5
VCORE6
VCORE7
VCORE8
VCORE9
HA[3..16]
{7} HA[3..16]
BC15 BC20 HA16 N5
HA15 A16
N4
HA14 A15
N2 G1 -ADS
A14 ADS -ADS {7}
10U/12/X5R/6.3V HA13 M1 AC1
HA12 A13 AP0
N1 V5
HA11 A12 AP1
M4 AA3 Z7 R1 39/6/X
HA10 M3 A11 BINIT
G2 -BNR VCORE
HA9 A10 BNR -BNR {7}
L2
HA8 A9
M6 L25
C A8 DP3 C
HA7 L3 K26
HA6 K1 A7 DP2
K25
HA5 A6 DP1
L6 J26
A5 DP0
HA4 K4
A4
HA3 K2 U6
-HA_STB0 A3 TESTHI8
L5 W4
{7} -HA_STB0 ADSTB0 TESTHI9
-HREQ4 H3 Y3
{7} -HREQ4 -HREQ3 REQ4 TESTHI10 TESTHI8_10 {5}
J3 H6 -BREQ0
{7} -HREQ3 -HREQ2 REQ3 BR0 -BREQ0 {5,7}
J4
{7} -HREQ2 REQ2
-HREQ1 K5 D2 -BPRI
{7} -HREQ1 REQ1 BPRI -BPRI {7}
-HREQ0 J1
{7} -HREQ0 REQ0
H5 -DBSY
DBSY -DBSY {7}
AB1 E2 -DEFER
A35 DEFER -DEFER {7} VCORE
VCORE {7} HA[17..31]
HA[17..31] Y1 H2 -DRDY
-DRDY {7}
A34 DRDY
W2 F3 -HIT
A33 HIT -HIT {7}
10U/12/X5R/6.3V 10U/12/X5R/6.3V V3 E3 -HITM
HA31 A32 HITM -HITM {7}
U4 R511
HA30 A31
T5 AC3 56/6
A30 IERR -IERR {5}
BC21 BC22 BC23 BC24 BC25 HA29 W1
HA28 A29
R6 W5 -CPUINIT
A28 INIT -CPUINIT {12}
HA27 V2
A27
10U/12/X5R/6.3V/X 10U/12/X5R/6.3V 10U/12/X5R/6.3V HA26 T4 G4 -HLOCK
-HLOCK {7} C1
HA25 A26 LOCK
U3 100P/6/N/50V
HA24 A25
P6 V6
HA23 A24 MCERR
U1
HA22 A23
T2 AB25 -CPURST
HA21 A22 RESET# -CPURST {5,7}
R3 F4 -RS2
A21 RS2 -RS2 {7}
VCORE HA20 P4 G5 -RS1 C2
HA19 A20 RS1 -RS1 {7}
P3 F1 -RS0 0.01U/6/X/16V/X
A19 RS0 -RS0 {7}
10U/12/X5R/6.3V/X 10U/12/X5R/6.3V/X HA18 R2 AB2
HA17 A18 RSP
T1 J6 -HTRDY
B A17 TRDY -HTRDY {7} B
-HA_STB1 R5
{7} -HA_STB1 ADSTB1
BC26 BC27 BC28 BC29 BC30
GND10
GND11
AE17GND12
AE15GND13
AE13GND14
AE11GND15
AE9 GND16
AE26GND17
AB20GND18
GND19
GND20
GND21
GND22
AC9 GND23
AC7 GND24
AC5 GND25
AC2 GND26
GND27
GND28
GND29
GND30
GND31
AA4 GND32
AA1 GND33
AA23GND34
AA19GND35
AB18GND36
AB16GND37
AB14GND38
AB12GND39
GND40
GND41
AB6 GND42
AB3 GND43
AB24GND44
GND45
GND46
V1 GND47
GND48
W6 GND49
GND50
W24 GND51
GND52
Y5 GND53
Y2 GND54
Y25 GND55
GND56
GND57
AA15GND58
GND59
GND60
AE24GND1
AE22GND2
AE19GND3
GND4
GND5
GND6
AD8 GND7
AD4 GND8
AD1 GND9
10U/12/X5R/6.3V/X 10U/12/X5R/6.3V 10U/12/X5R/6.3V
AD14
AD12
AD10
AD23
AD21
AC17
AC15
AC13
AC11
AC25
AC22
AC19
AD18
AD16
AB10
AB21
AA17
AA13
W21
AE7
AB8
V23
Y22
W3
V4
SK478/GD/W/10U
VCORE
10U/12/X5R/6.3V 10U/12/X5R/6.3V/X
BC31 BC32 BC33 BC34
10U/12/X5R/6.3V/X 10U/12/X5R/6.3V/X
VCORE
10U/12/X5R/6.3V/X 10U/12/X5R/6.3V
BC35 BC36 BC37 BC38
A A
10U/12/X5R/6.3V 10U/12/X5R/6.3V/X
GIGABYTE
Title
WILLIAMATE 478A
Size Document Number Rev
Custom
GA-8SKML 1.0
Date: Tuesday, August 20, 2002 Sheet 4 of 32
5 4 3 2 1
5 4 3 2 1
POP 0NE GROUP GTLREF RN1
56/8P4R
R2 VCORE RN2
VCORE GTLREF1 56/8P4R
1 2 INTR
75/6/1/X 3 4 -IGNNE
R3 BC40 BC41 5 6 NMI
75/6/1/X 1U/6/Y/10V 0.01U/6/X/16V 7 8 -SMI
1 2 -STPCLK
3 4 -IERR
5 6 -IERR {4}
-CPUSLP
7 8 -A20M
D R4 51/6 -FERR D
R5 220/6
-BREQ0--->220 OHM R6 51/6
-