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5 4 3 2 1
GIGABYTE XP-K8U-X Schematics REV:1.0 DATE: 94/04/04
SHEET TITLE SHEET TITLE
D D
1 COVER SHEET
2 BOM & PCB MODIFY HISTORY
3 BLOCK DIAGRAM
4,5,6,7 AMD K8 CLAWHAMMER
8 ~ 13 ULI M1689 SINGLE CHIP
14 CLOCK GENERATOR
15,16,17 DDR SDRAM DIMMS 1,2,3 & DDR Termination
C C
18 AGP SLOT
19,20 PCI SLOT 1,2,3,4,5
21 IDE , FRONT USB , SATA
22 SMSC LPC I/O
23 BIOS & FDD
24 AUDIO AC97
25 AUDIO JACK & GAMEPORT
B B
26 COM,PRT,KB/MS
27 RTL8100C & USB CONNECTOR
28 VCORE (PWM ISL6568CR)
29 FRONT PANEL
30 VCC12,VCC18,VCC25,VDDQ
31 ATX, DC POWER
COMPONENT SIDE
(0.5 oz. Copper)
VCC SIDE
32 DDR POWER(5VDUAL,3VDUAL,25VSTR,VTTDDR) (1 oz. Copper)
GND SIDE
A (1 oz. Copper) A
SOLDER SIDE
33 POWER SEQUENCE (0.5 oz. Copper)
34 R_USB , RESET AXPER
Title
COVER SHEET
35 H/W SETTING Size Document Number Rev
Custom 1.0
XP-K8U-X
Date: Thursday, July 21, 2005 Sheet 1 of 36
5 4 3 2 1
5 4 3 2 1
XP-K8U-X REV. 1.0 ULi M1689 single chip FOR AMD K8_754
Component value change history Circuit or PCB layout change for next version
Date Change Item Reason Date Change Item
D D
C C
B B
A A
Title
Size Document Number Rev
CustomXP-K8U-X <RevCode>
Date: Wednesday, May 11, 2005 Sheet 2 of 36
5 4 3 2 1
5 4 3 2 1
XP-K8U-X REV. 1.0 ULi M1689 single chip FOR AMD K8_754
Component value change history Circuit or PCB layout change for next version
Date Change Item Reason Date Change Item Reason
D 2005/04/04 Form GA-K8U REV:1.01 to AXPER XP-K8U-X REV:1.0 PCB Modify D
For RTCVDD AC plug off drop issue
2005/05/11 FOR PVT
C C
B B
A A
AXPER
Title
BOM & PCB MODIFY HISTORY
Size Document Number Rev
Custom 1.0
XP-K8U-X
Date: Wednesday, May 11, 2005 Sheet 3 of 36
5 4 3 2 1
5 4 3 2 1
XP-K8U-X BLOCK DIAGRAM CPUCLKT
CPUCLKC
USBCLK
SMBDAT
System Block Diagram CLK66
SMBCLK
D DDR SDRAM CLOCK D
AMD K8 CLAWHAMMER GEN
LANCLK
DIMM 1 Rtt RTM360-803
FWH33
25VSTR=2.5V SSTL-2 /
VCC12=1.2V 25VDDA=2.5V DDRVREF=1.25V PCICLK_F
VCC25=2.5V VTTDDR=1.25V P.15 Termination ICS950405 SB14CLK
25VSTR=2.5V CPUVREF=1.25V PCICLK0
HT12B=1.2V
25VSTR=2.5V PCICLK1 AUDIO14
P.4,5,6,7 VTTDDR=1.25V
P.17 PCICLK2
DIMM 2 LPC14CLK
PCICLK3
25VSTR=2.5V
LDT DDRVREF=1.25V
P.15
PCICLK4
LINK LPC33 P.14
AGP 8X SLOT DIMM 3
VDDQ=1.5V 25VSTR=2.5V
GVREF_CG=0.35V or 0.75V DDRVREF=1.25V
P.16
C P.18 ULI M1689 C
VCC12=1.2V
VDDQ=1.5V
PCI SLOT 1~5 IDE 1,2 (ATA133)
P.19,20 VCC18=1.8V P.21
3VDUAL=3.3V
REAR USB2.0 X4 18VSB=1.8V
SATA 1,2
FUSEPWR=5V VCC3=3.3V P.21
P.27,34
RTCVDD=3V
FRONT USB2.0 X4
FUSEPWR1=5V Analog Out
P.21
AVDD=5V
P.25
LAN RTL8100C AC'97_ALC 850
B VDD25=2.5V AVDD33=3.3V Analog In B
P.27 AVDD=5V
P.8,9,10 P.24 AVDD=5V
P.25
P.11,12,13
3D Audio Out
LPC
AVDD=5V
Bus P.25
SMSC VOLTAGE MONITOR SPDIF
P.22
LPC47M997 P.25
TEMPERATURE MONITOR
FWH 5VSB=5V P.22
BIOS P.22
P.23
A A
IR SERIAL PARALLEL FLOPPY GAME PORT KEYBOARD/MOUSE
P.22 P.26 P.26 P.23 P.23
5VDUAL=5V
FUSEVCC=5V
AXPER
P.26 Title
BLOCK DIAGRAM
Size Document Number Rev
Custom 1.0
XP-K8U-X
Date: Wednesday, May 11, 2005 Sheet 4 of 36
5 4 3 2 1
5 4 3 2 1
Clawhammer HT Interface
D D
VCC12 HT12B
SOCKET_754A HT12B
D29 VLDT0_A6 VLDT0_B6 AH29
D27 VLDT0_A5 VLDT0_B5 AH27
HT12B D25 AG28 C1
VLDT0_A4 VLDT0_B4 10U/8/X5/6.3V
C28 VLDT0_A3 VLDT0_B3 AG26
C26 VLDT0_A2 VLDT0_B2 AF29
B29 VLDT0_A1 VLDT0_B1 AE28
B27 VLDT0_A0 VLDT0_B0 AF25
R1 49.9/6/1 L0_CADIN_H15 T25 L0_CADIN_H15 L0_CADOUT_H15 N26 L0_CADOUT_H15 Near CPU side on Top side
R2 49.9/6/1 L0_CADIN_L15 R25 N27 L0_CADOUT_L15
R3 49.9/6/1 L0_CADIN_H14 L0_CADIN_L15 L0_CADOUT_L15 L0_CADOUT_H14
U27 L0_CADIN_H14 L0_CADOUT_H14 L25
R4 49.9/6/1 L0_CADIN_L14 U26 M25 L0_CADOUT_L14
R5 49.9/6/1 L0_CADIN_H13 L0_CADIN_L14 L0_CADOUT_L14 L0_CADOUT_H13
V25 L0_CADIN_H13 L0_CADOUT_H13 L26
R6 49.9/6/1 L0_CADIN_L13 U25 L27 L0_CADOUT_L13
R7 49.9/6/1 L0_CADIN_H12 L0_CADIN_L13 L0_CADOUT_L13 L0_CADOUT_H12
W27 L0_CADIN_H12 L0_CADOUT_H12 J25
R8 49.9/6/1 L0_CADIN_L12 W26 K25 L0_CADOUT_L12
R9 49.9/6/1 L0_CADIN_H11 L0_CADIN_L12 L0_CADOUT_L12 L0_CADOUT_H11
AA27 L0_CADIN_H11 L0_CADOUT_H11 G25
R10 49.9/6/1 L0_CADIN_L11 AA26 H25 L0_CADOUT_L11
R11 49.9/6/1 L0_CADIN_H10 L0_CADIN_L11 L0_CADOUT_L11 L0_CADOUT_H10
C AB25 L0_CADIN_H10 L0_CADOUT_H10 G26 C
R12 49.9/6/1 L0_CADIN_L10 AA25 G27 L0_CADOUT_L10
R13 49.9/6/1 L0_CADIN_H9 L0_CADIN_L10 L0_CADOUT_L10 L0_CADOUT_H9
AC27 L0_CADIN_H9 L0_CADOUT_H9 E25
R14 49.9/6/1 L0_CADIN_L9 AC26 F25 L0_CADOUT_L9
R15 49.9/6/1 L0_CADIN_H8 L0_CADIN_L9 L0_CADOUT_L9 L0_CADOUT_H8
AD25 L0_CADIN_H8 L0_CADOUT_H8 E26
R16 49.9/6/1 L0_CADIN_L8 AC25 E27 L0_CADOUT_L8
L0_CADIN_H7 L0_CADIN_L8 L0_CADOUT_L8 L0_CADOUT_H7
T27 L0_CADIN_H7 L0_CADOUT_H7 N29
L0_CADIN_L7 T28 P29 L0_CADOUT_L7
L0_CADIN_H6 L0_CADIN_L7 L0_CADOUT_L7 L0_CADOUT_H6
V29 L0_CADIN_H6 L0_CADOUT_H6 M28
L0_CADIN_L6 U29 M27 L0_CADOUT_L6
L0_CADIN_H5 L0_CADIN_L6 L0_CADOUT_L6 L0_CADOUT_H5
V27 L0_CADIN_H5 L0_CADOUT_H5 L29
L0_CADIN_L5 V28 M29 L0_CADOUT_L5 L0_CADIN_L[0..7]
L0_CADIN_L5 L0_CADOUT_L5 L0_CADIN_L[0..7] (9)
L0_CADIN_H4 Y29 K28 L0_CADOUT_H4
L0_CADIN_L4 L0_CADIN_H4 L0_CADOUT_H4 L0_CADOUT_L4 L0_CADIN_H[0..7]
W29 L0_CADIN_L4 L0_CADOUT_L4 K27 L0_CADIN_H[0..7] (9)
L0_CADIN_H3 AB29 H28 L0_CADOUT_H3
L0_CADIN_L3 L0_CADIN_H3 L0_CADOUT_H3 L0_CADOUT_L3 L0_CADOUT_L[0..15]
AA29 L0_CADIN_L3 L0_CADOUT_L3 H27 L0_CADOUT_L[0..15] (9)
L0_CADIN_H2 AB27 G29 L0_CADOUT_H2
L0_CADIN_L2 L0_CADIN_H2 L0_CADOUT_H2 L0_CADOUT_L2 L0_CADOUT_H[0..15]
AB28 L0_CADIN_L2 L0_CADOUT_L2 H29 L0_CADOUT_H[0..15] (9)
L0_CADIN_H1 AD29 F28 L0_CADOUT_H1
L0_CADIN_L1 L0_CADIN_H1 L0_CADOUT_H1 L0_CADOUT_L1 L0_CLKOUT_L[0..1]
AC29 L0_CADIN_L1 L0_CADOUT_L1 F27 L0_CLKOUT_L[0..1] (9)
HT12B L0_CADIN_H0 AD27 E29 L0_CADOUT_H0
L0_CADIN_L0 L0_CADIN_H0 L0_CADOUT_H0 L0_CADOUT_L0 L0_CLKOUT_H[0..1]
AD28 L0_CADIN_L0 L0_CADOUT_L0 F29 L0_CLKOUT_H[0..1] (9)
R17 49.9/6/1 L0_CLKIN_H1 Y25 J26 L0_CLKOUT_H1
R18 49.9/6/1 L0_CLKIN_L1 L0_CLKIN_H1 L0_CLKOUT_H1 L0_CLKOUT_L1
W25 L0_CLKIN_L1 L0_CLKOUT_L1 J27
L0_CLKIN_H0 Y27 J29 L0_CLKOUT_H0
(9) L0_CLKIN_H0 L0_CLKIN_H0 L0_CLKOUT_H0
L0_CLKIN_L0 Y28 K29 L0_CLKOUT_L0
HT12B L0_CLKIN_L0
(9) L0_CLKIN_L0 L0_CLKOUT_L0
R19 49.9/6/1 L0_CTLIN_H1 R27 N25
B L0_CTLIN_H1 L0_CTLOUT_H1 B
R20 49.9/6/1 L0_CTLIN_L1 R26 P25
HOLE5
HOLE6
HOLE1
HOLE2
HOLE3
HOLE4
L0_CTLIN_H0 L0_CTLIN_L1 L0_CTLOUT_L1 L0_CTLOUT_H0
(9) L0_CTLIN_H0 T29 L0_CTLIN_H0 L0_CTLOUT_H0 P28 L0_CTLOUT_H0 (9)
L0_CTLIN_L0 R29 P27 L0_CTLOUT_L0
(9) L0_CTLIN_L0 L0_CTLIN_L0 L0_CTLOUT_L0 L0_CTLOUT_L0 (9)
1
2
17
18
19
20
HYPER TRANSPORT - LINK0
VCC12
VCC12 VCC12
1 C292 C293 C285 C286 C287 C288 C289 C290
C2 C3 + EC1 0.22U/4/X/6.3V 0.22U/4/X/6.3V 0.22U/4/X/6.3V 0.22U/4/X/6.3V 0.22U/4/X/6.3V 0.22U/4/X/6.3V 0.22U/4/X/6.3V 0.22U/4/X/6.3V
10U/8/X5/6.3V/X 22U/12/Y/10V 100U/D/10V/57/X
VCORE
Near CPU side
A COUPON1 COUPON1 1 A
2 COUPON/X
VCC12 COUPON2 COUPON2 1 2 COUPON/X VCC
IMPEDENCE TESTING COUPON
C4 C5 C6 C7
AXPER
1U/6/Y/16V 1U/6/Y/16V/X 1U/6/Y/16V/X 0.22U/4/X/6.3V Title
K8 SOCKET 754-1
Size Document Number Rev
Custom 1.0
XP-K8U-X
Date: Wednesday, May 11, 2005 Sheet 5 of 36
5 4 3 2 1
5 4 3 2 1
Place a cap every 0.5 in. on VTTDDR traces between CPU and DDR.
MD[0..63]
MD[0..63] (17)
MAA[0..13]
MAA[0..13] (15,17)
-DQS[0..17]
-DQS[0..17] (17)
VTTDDR
R21 51.1/6/1/X SOCKET_754B VTTDDR
VTTDDR
VTTDDR_SENSE AE13 D17
(32) VTTDDR_SENSE VTT_SENSE VTT_A4
D A18 D
CPUVREF VTT_A1 C8 C9 C10 C11 C12
VTT_A2 B17
CPUVREF AG12 C17 0.22U/4/X/6.3V 0.22U/4/X/6.3V 0.22U/4/X/6.3V/X 0.22U/4/X/6.3V/X 0.22U/4/X/6.3V/X
MEMVREF1 VTT_A3
VTT_B1 AF16
R22 10/6/1 MEMZN D14 AG16
25VSTR MEMZN VTT_B2
R23 10/6/1 MEMZP C14 AH16
MEMZP VTT_B3 VTTDDR
VTT_B4 AJ17
MEMRESET_L AG10
MAB[0..13] AE8 MEMCKEA
MAB[0..13] (15,16,17) MEMCKEA MEMCKEA (15,16,17)
AE7 MEMCKEB C13 C14 C15 C16 C17
MEMCHECK[0..7] MEMCKEB MEMCKEB (15,16,17)
MD63 A16 0.22U/4/X/6.3V 0.22U/4/X/6.3V/X 0.22U/4/X/6.3V/X 0.1U/4/Y/16V 0.1U/4/Y/16V/X
MEMCHECK[0..7] (17) MEMDATA63
MD62 B15 D10 DCLK7
MEMBANKA[0..1] MEMDATA62 MEMCLK_H7 DCLK7 (15,17)
MD61 A12 C10 -DCLK7
MEMBANKA[0..1] (15,17) MEMDATA61 MEMCLK_L7 -DCLK7 (15,17)
MD60 B11 E12
MEMBANKB[0..1] MD59 MEMDATA60 MEMCLK_H6 VTTDDR
MEMBANKB[0..1] (15,16,17) A17 MEMDATA59 MEMCLK_L6 E11
MD58 A15 AF8 DCLK5
-CS[0..5] MEMDATA58 MEMCLK_H5 DCLK5 (15,17)
MD57 C13 AG8 -DCLK5
-CS[0..5] (15,16,17) MEMDATA57 MEMCLK_L5 -DCLK5 (15,17)
MD56 A11 AF10
MD55 MEMDATA56 MEMCLK_H4
A10 MEMDATA55 MEMCLK_L4 AE10
MD54 B9 V3 C18 C19 C20 C21
MD53 MEMDATA54 MEMCLK_H3 100P/4/N/50V/X 100P/4/N/50V/X 1n/4/X/50V 1n/4/X/50V/X
C7 MEMDATA53 MEMCLK_L3 V4
MD52 A6 K5
MD51 MEMDATA52 MEMCLK_H2
C11 MEMDATA51 MEMCLK_L2 K4
MD50 A9 R5 DCLK1
MEMDATA50 MEMCLK_H1 DCLK1 (16,17)
MD49 A5 P5 -DCLK1
MEMDATA49 MEMCLK_L1 -DCLK1 (16,17)
Locate close to CPU socket
MD48 B5 P3 DCLK0
MEMDATA48 MEMCLK_H0 DCLK0 (15,17)
C MD47 C5 P4 -DCLK0 C
MEMDATA47 MEMCLK_L0 -DCLK0 (15,17)
MD46 A4
MD45 MEMDATA46
E2 MEMDATA45 MEMCS_L7 D8
MD44 E1 C8 VTTDDR
MD43 MEMDATA44 MEMCS_L6 -CS5
A3 MEMDATA43 MEMCS_L5 E8
MD42 B3 E7 -CS4
MD41 MEMDATA42 MEMCS_L4 -CS3
E3 MEMDATA41 MEMCS_L3 D6
MD40 F1 E6 -CS2
MD39 MEMDATA40 MEMCS_L2 -CS1 C22 C23 C24 C25 C26 C27
G2 MEMDATA39 MEMCS_L1 C4
MD38 G1 E5 -CS0 10U/8/X5/6.3V 10U/8/X5/6.3V/X 10U/8/X5/6.3V/X 10U/8/X5/6.3V 10U/8/X5/6.3V/X 10U/8/X5/6.3V
MD37 MEMDATA38 MEMCS_L0
L3 MEMDATA37
MD36 L1 H5 -SRASA
MEMDATA36 MEMRASA_L -SRASA (15,17)
MD35 G3 D4 -SCASA
MEMDATA35 MEMCASA_L -SCASA (15,17)
MD34 J2 G5 -SWEA
MEMDATA34 MEMWEA_L -SWEA (15,17)
MD33 L2
MD32 MEMDATA33 MEMBANKA1 VTTDDR VTTDDR
M1 MEMDATA32 MEMBANKA1 K3
MD31 W1 H3 MEMBANKA0
MD30 MEMDATA31 MEMBANKA0
W3 MEMDATA30
MD29 AC1 E13
MD28 MEMDATA29 RSVD_MEMADDA15
AC3 MEMDATA28 RSVD_MEMADDA14 C12
MD27 W2 E10 MAA13 C28 C29
+
MD26 MEMDATA27 MEMADDA13 MAA12 10U/8/X5/6.3V 10U/8/X5/6.3V EC2 C299
Y1 MEMDATA26 MEMADDA12 AE6
MD25 AC2 AF3 MAA11 1000U/D/6.3V/8C 22U/12/Y/10V
MD24 MEMDATA25 MEMADDA11 MAA10
AD1 MEMDATA24 MEMADDA10 M5
MD23 AE1 AE5 MAA9
MD22 MEMDATA23 MEMADDA9 MAA8
AE3 MEMDATA22 MEMADDA8 AB5
MD21 AG3 AD3 MAA7
MD20 MEMDATA21 MEMADDA7 MAA6
AJ4 MEMDATA20 MEMADDA6 Y5
MD19 AE2 AB4 MAA5
B MEMDATA19 MEMADDA5 B
MD18 AF1 Y3 MAA4
MEMDATA18 MEMADDA4
CPUVREF
MD17 AH3 V5 MAA3
MD16 MEMDATA17 MEMADDA3 MAA2
AJ3 MEMDATA16 MEMADDA2 T5
MD15 AJ5 T3 MAA1
MD14 MEMDATA15 MEMADDA1 MAA0 25VSTR
AJ6 MEMDATA14 MEMADDA0 N5
MD13 AJ7
MD12 MEMDATA13 -SRASB
AH9 MEMDATA12 MEMRASB_L H4 -SRASB (15,16,17)
MD11 AG5 F5 -SCASB
MEMDATA11 MEMCASB_L -SCASB (15,16,17)
MD10 AH5 F4 -SWEB CPUVREF
MEMDATA10 MEMWEB_L -SWEB (15,16,17)
MD9 AJ9 R24 C30 C31
MEMDATA9
MD8
MD7
AJ10
AH11
MEMDATA8 MEMBANKB1 L5
J5
MEMBANKB1
MEMBANKB0 40 150/6/1 0.1U/4/Y/16V 10U/8/X5/6.3V
MEMDATA7 MEMBANKB0
MD6
MD5
AJ11 MEMDATA6 MAB15 TP15
MILS CPUVREF
AH15 MEMDATA5 RSVD_MEMADDB15 E14
MD4 AJ15 D12 MAB14 TP16
MD3 MEMDATA4 RSVD_MEMADDB14 MAB13 C32 C33 C34 R25
AG11 MEMDATA3 </pre><br><br>
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