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A B C D E
1 1
Compal Confidential
2
Fortworth Banias 2
EAL20 LA-2461 Schematic
uFC-PGA Dothan / Montara-GM+
3
M11P-128M VRAM / ICH4-M 3
2004-07-21
REV: 0.3
4 4
Compal Electronics, Inc.
Title
Cover Sheet
THIS SHEET OF ENGINEERING DRAWING IS THE PROPRIETARY PROPERTY OF COMPAL ELECTRONICS, INC. AND CONTAINS CONFIDENTIAL
Size Document Number R ev
AND TRADE SECRET INFORMATION. THIS SHEET MAY NOT BE TRANSFERED FROM THE CUSTODY OF THE COMPETENT DIVISION OF R&D
DEPARTMENT EXCEPT AS AUTHORIZED BY COMPAL ELECTRONICS, INC. NEITHER THIS SHEET NOR THE INFORMATION IT CONTAINS EAL20 LA-2461 0.3
MAY BE USED BY OR DISCLOSED TO ANY THIRD PARTY WITHOUT PRIOR WRITTEN CONSENT OF COMPAL ELECTRONICS, INC.
Date: , 04, 2004 Sheet 1 of 47
A B C D E
A B C D E
Compal Confidential
Model Name : EAL20 Fan Control Mobile Banias/Dothan
page 4
Thermal Sensor Clock Generator
File Name : LA-2461 Celeron-M ADI ADM1032AR Cypress CY28346ZCT-2
uFCPGA-478 CPU page 4,5
1
page 4 page 12 1
H_A#(3..31) PSB H_D#(0..63)
400MHz
LCD Conn.
page 20 Memory BUS(DDR) 200pin DDR-SO-DIMM X2
ATI M11-P Intel 855GME BANK 0, 1, 2, 3 page 10,11
CRT Conn. BGA-708 Pin AGP4X/DVO uFCBGA-732
2.5V DDR200/266/333
page 21
with 32/64/128MB 1.5V 266MHz page 6,7,8,9
TV-OUT Conn. On Board VRAM
page 13,14,15,16,17,18
page 21
Port 2,3
Hub-Link USB conn
TV Encoder x2 page 35
CH-7011A
2
page 19 2
Port 4
PCI BUS USB conn
3.3V 33 MHz
x1 page 35
USB 2.0
IDSEL:AD16
(PIRQE#,
IDSEL:AD18
(PIRQ[G..H]#,
IDSEL:AD17
(PIRQB#,
IDSEL:AD20
(PIRQ[A..B]#, Intel ICH4-M
GNT#0, GNT#3/4, GNT#1, GNT#2, 3.3V 48MHz
REQ#0) REQ#3/4) REQ#1) REQ#2)
BGA-421 3.3V 24.576MHz AC-LINK
IEEE 1394a Mini PCI LAN CardBus 3.3V ATA-100
VIA VT6301S socket RTL8100CL ENE CB714/CB1410 page 22,23,24
page 27 page 30 page 26 page 28 IDE
CDROM AC97 Codec MDC Conn
Conn. page ALC250 Ver.C page 31
25 page 31
1394 Conn. RJ45/RJ11 5 in 1 Slot Slot 0
page 27 page 26 page 29 page 29
AMP EAL20 Sub Board
HDD Conn.
3 TPA0232 LED/SW Board 3
LPC BUS 3.3V 33MHz
page 25 page 32
Conn
SW DJ Ckt. Audio Board LS-2462 page 36
SMsC LPC47N217 Conn
ENE KB910 Super I/O
page 25
T/P Board
RTC CKT. page 34 page 33 LS-2463 page 32 Conn
page 24
LS-2461 page 36
Power On/Off CKT. Touch Pad Int.KBD PARALLEL FIR
WL-KSW Board
page 36 page 33 page 33
page 37
LS-2464
DC/DC Interface CKT. 512KB BIOS
page 35
4
page 38 4
Power Circuit DC/DC
page 38,39,40,41 Compal Electronics, Inc.
42,43,44,45 Title
THIS SHEET OF ENGINEERING DRAWING IS THE PROPRIETARY PROPERTY OF COMPAL ELECTRONICS, INC. AND CONTAINS CONFIDENTIAL
Block Diagram
Size Document Number Rev
AND TRADE SECRET INFORMATION. THIS SHEET MAY NOT BE TRANSFERED FROM THE CUSTODY OF THE COMPETENT DIVISION OF R&D
DEPARTMENT EXCEPT AS AUTHORIZED BY COMPAL ELECTRONICS, INC. NEITHER THIS SHEET NOR THE INFORMATION IT CONTAINS
MAY BE USED BY OR DISCLOSED TO ANY THIRD PARTY WITHOUT PRIOR WRITTEN CONSENT OF COMPAL ELECTRONICS, INC.
EAL20 LA-2461 0.3
Date: , 04, 2004 Sheet 2 of 47
A B C D E
A
Symbol note:
Voltage Rails
:means digital ground.
Power Plane Description S0-S1 S3 S5
:means analog ground.
VIN Adapter power supply (19V) N/A N/A N/A
B+ AC or battery power rail for power circuit N/A N/A N/A @ :means reserved.
+CPU_CORE Core voltage for CPU ON OFF OFF
+VCCP 1.05V rail for Processor I/O ON OFF OFF
Fortworth Banias Comparison Table
+1.25VS 1.25V switched power rail for DDR Vtt ON OFF OFF
+VGA_CORE 1.2V/1.0V switched power rail for VGA core power ON OFF OFF
Item * Descrite UMA Page
+1.35VS 1.35V switched power rail for GMCH core power ON OFF OFF
+1.5VALW 1.5V always on power rail ON ON ON*
+1.5VS 1.5V switched power rail for AGP interface ON OFF OFF
VGA ATI M11P UMA 13 ~ 16
+1.8VS 1.8V switched power rail for CPU PLL & Hub-Link ON OFF OFF VRAM 128MB/64MB N/A 13 ~ 14
+2.5V 2.5V power rail for system DDR ON ON OFF
+2.5VS 2.5V power rail for VGA DDR ON OFF OFF
TV Encoder N/A CH7011A 19
+3V
+3VALW 3.3V always on power rail ON ON ON*
+3V 3.3V switched power rail ON ON OFF
+3VS 3.3V switched power rail ON OFF OFF
+5VALW 5V always on power rail ON ON ON*
+5VS 5V switched power rail ON OFF OFF
+12VALW 12V always on power rail ON ON ON*
RTCVCC RTC power ON ON ON
Note : ON* means that this power plane is ON only with AC power available, otherwise it is OFF.
Board ID Table for AD channel
Vcc 3.3V +/- 5%
Ra 10K +/- 5%
ICH4-M I2C / SMBUS ADDRESSING
1 1
BID/PID Rb/Rc V AD_BID min V AD_BID typ V AD_BID max
DEVICE HEX ADDRESS 0 0 0 V 0 V 0 V
1 8.2K +/- 5% 1.412 V 1.486 V 1.560 V
DDR SO-DIMM 0 A0 1010000X
2 18K +/- 5% 2.015 V 2.121 V 2.227 V
DDR SO-DIMM 1 A2 1010001X
3 33K +/- 5% 2.406 V 2.533 V 2.659 V
CLOCK GENERATOR (EXT.) D2 1101001X
4 56K +/- 5% 2.660 V 2.800 V 2.940 V
5 NC 3.135 V 3.300 V 3.465 V
KB910 I2C / SMBUS ADDRESSING
DEVICE HEX ADDRESS
SM1 24C16 A 0H 1010000Xb
Board ID PCB Revision
SM1 SMART BATTERY 16H 0001011Xb
SM2 ADM0132 98H 1001100Xb * 0 0.1
CPU THERMAL MONITOR 1 0.2
SM2 ALC250 AUDIO CODEC 00H 0000000Xb 2 0.3
3 0.4
4 0.5
External PCI Devices 5
DEVICE PCI Device ID IDSEL # REQ/GNT # PIRQ 6
7
1394 D0 AD16 0 E
LAN D1 AD17 1 F
CARD BUS D4 AD20 2 A
5IN1 D4 AD20 2 B
Mini-PCI D2 AD18 3,4 G,H
AGP BUS N/A AGP_DEVSEL# N/A A
Compal Electronics, Inc.
Title
THIS SHEET OF ENGINEERING DRAWING IS THE PROPRIETARY PROPERTY OF COMPAL ELECTRONICS, INC. AND CONTAINS CONFIDENTIAL
Notes List
Size Document Number R ev
AND TRADE SECRET INFORMATION. THIS SHEET MAY NOT BE TRANSFERED FROM THE CUSTODY OF THE COMPETENT DIVISION OF R&D
DEPARTMENT EXCEPT AS AUTHORIZED BY COMPAL ELECTRONICS, INC. NEITHER THIS SHEET NOR THE INFORMATION IT CONTAINS
MAY BE USED BY OR DISCLOSED TO ANY THIRD PARTY WITHOUT PRIOR WRITTEN CONSENT OF COMPAL ELECTRONICS, INC.
EAL20 LA-2461 0.3
Date: , 04, 2004 Sheet 3 of 47
A
A B C D E
H_D#[0..63]
H_D#[0..63] <6>
U12A
H_A#[3..31] H_A#3 H_D#0
<6> H_A#[3..31]
H_A#4
H_A#5
P4
U4
A3#
A4#
Banias D0#
D1#
A19
A25 H_D#1
H_D#2
+VCCP +VCCP
V3 A5# D2# A22
H_A#6 R3 B21 H_D#3
A6# D3#
2
2
H_A#7 V2 A24 H_D#4
H_A#8 A7# D4# H_D#5 R144 R147
W1 A8# D5# B26
H_A#9 T4 A21 H_D#6 54.9_0402_1% 54.9_0402_1%
H_A#10 A9# D6# H_D#7 @ @
W2 A10# D7# B20
H_A#11 Y4 C20 H_D#8
A11# D8#
1
1
H_A#12 Y1 B24 H_D#9
H_A#13 A12# D9# H_D#10 H_CPURST# ITP_TDO
U1 A13# D10# D24
4 H_A#14 H_D#11 4
AA3 A14# D11# E24
H_A#15 Y3 C26 H_D#12
H_A#16 A15# D12# H_D#13
AA2 A16# D13# B23
H_A#17 AF4 E23 H_D#14
H_A#18 A17# D14# H_D#15
AC4 A18# D15# C25
H_A#19 AC7 H23 H_D#16
H_A#20 A19# D16# H_D#17 +VCCP
AC3 A20# D17# G25
H_A#21 AD3 L23 H_D#18
H_A#22 A21# D18# H_D#19 ITP_TMS ITP_TRST#
AE4 A22# D19# M26 1 2 1 2
H_A#23 AD2 H24 H_D#20 R149 39.2_0603_1% R154 680_0402_5%
H_A#24 A23# D20# H_D#21 ITP_TDI ITP_TCK
AB4 A24# D21# F25 1 2 1 2
H_A#25 AC6 A25# ADDR GROUP DATA GROUP D22# G24 H_D#22 R151 150_0402_1% R153 27.4_0402_1%
H_A#26 AD5 J23 H_D#23
H_A#27 A26# D23# H_D#24
AE2 A27# D24# M23
H_A#28 AD6 J25 H_D#25
H_REQ#[0..4] H_A#29 A28# D25# H_D#26
<6> H_REQ#[0:4] AF3 A29# D26# L26
H_A#30 AE1 N24 H_D#27
H_A#31 A30# D27# H_D#28
AF1 A31# D28# M25
H26 H_D#29
H_REQ#0 D29# H_D#30
R2 REQ0# D30# N25
H_REQ#1 P3 K25 H_D#31
H_REQ#2 REQ1# D31# H_D#32
T2 REQ2# D32# Y26
H_REQ#3 H_D#33
H_REQ#4
P1
T1
REQ3#
REQ4#
D33#
D34#
AA24
T25
U23
H_D#34
H_D#35
Thermal Sensor ADI ADM1032AR
D35# H_D#36 +3VS
<6> H_ADSTB#0 U3 ADSTB0# D36# V23
AE5 R24 H_D#37
<6> H_ADSTB#1 ADSTB1# D37#
R26 H_D#38
D38# H_D#39
D39# R23
A16 AA23 H_D#40 W =15mil U11
<12> CLK_CPU_ITP ITP_CLK0 D40#
A15 U26 H_D#41 2 1 8
<12> CLK_CPU_ITP# ITP_CLK1 D41# VDD SCLK EC_SMC_2 <31,34>
1
V24 H_D#42 C94 R121@ 1
3 D42# H_D#43 H_THERMDA 3
<12> CLK_CPU_BCLK B15 BCLK0 D43# U25 2 D+ SDATA 7 EC_SMD_2 <31,34>
HOST CLK
10K_0402_5%
H_D#44
0.1U_0402_16V4Z
<12> CLK_CPU_BCLK# B14 BCLK1 D44# V26
H_D#45 1 C88 H_THERMDC
D45# Y23 3 D- ALERT# 6
H_D#46 2
D46# AA26
2
Y25 H_D#47 2200P_0402_25V7K 4 5
D47# H_D#48 THERM# GND
<6> H_ADS# N2 ADS# D48# AB25
L1 AC23 H_D#49
<6> H_BNR# BNR# D49#
J3 AB24 H_D#50 ADM1032AR_SOP8
<6> H_BPRI# BPRI# D50#
<6> H_BR0# N4 BR0# D51# AC20 H_D#51 Address:1001_100X
L4 AC22 H_D#52
<6> H_DEFER# DEFER# D52# H_D#53
<6> H_DRDY# H2 DRDY# D53# AC25
K3 AD23 H_D#54
<6> H_HIT# HIT# D54#
<6> H_HITM# K4 HITM# CONTROL GROUP D55# AE22 H_D#55
1 2 H_IERR# A4 AF23 H_D#56
+VCCP R152 IERR# D56# H_D#57
<6> H_LOCK# J2 LOCK# D57# AD24
56_0402_5% H_CPURST# B11 AF20 H_D#58
<6> H_CPURST# RESET# D58# H_D#59
D59# AE21
AD21 H_D#60
H_RS#0 D60# H_D#61
<6> H_RS#0 H1 RS0# D61# AF25
H_RS#1 K1 AF22 H_D#62
<6> H_RS#1 RS1# D62#
H_RS#2 L2 AF26 H_D#63
<6> H_RS#2 RS2# D63#
<6> H_TRDY# M3 TRDY#
DINV0# D25 H_DINV#0 <6>
C8
B8
BPM0#
DINV1#
DINV2#
J26
T24
AD20
H_DINV#1
H_DINV#2
<6>
<6> Fan Control circuit
BPM1# DINV3# H_DINV#3 <6>
A9 BPM2#
+3VALW 1 R145 2 C9 BPM3#
150_0402_1% C23
DSTBN0# H_DSTBN#0 <6>
ITP_DBRESET# R150
1 2 0_0402_5% A7 K24
<23> ITP_DBRESET# DBR# DSTBN1# H_DSTBN#1 <6>
<6> H_DBSY# M2 DBSY# DSTBN2# W25 H_DSTBN#2 <6>
2 2
<7,22> H_DPSLP# B7 DPSLP# DSTBN3# AE24 H_DSTBN#3 <6> +5VS
<7> H_DPWR# C19 DPWR# DSTBP0# C22 H_DSTBP#0 <6> Joint use LM358A with Power
A10 L24 C412
1 2 B10
PRDY#
MISC DSTBP1#
W24
H_DSTBP#1 <6>
0.1U_0402_16V4Z Battery detect circuit.
+VCCP PREQ# DSTBP2# H_DSTBP#2 <6>
R374 H_PROCHOT# B17 AE25 1 2
PROCHOT# DSTBP3# H_DSTBP#3 <6>
330_0402_5% 1
1
H_CPUPWRGD E4 PU5B C397
<22> H_CPUPWRGD PWRGOOD
1
H_CPUSLP# A6 5 LM358A_SO8 C D21
<22> H_CPUSLP# SLP# <34> EN_DFAN1 +
ITP_TCK A13 FAN1_ON 1 Q32 10U_0805_10V4Z
ITP_TDI TCK 0 7 R361
2
100_0402_5%