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Schematics Page Index (Title / Revision / Change Date)
Page Title of Schematics Page Rev. Date Page Title of Schematics Page Rev. Date
01 Schematics Page Index A00 09'09'07 36 FAN/Thermal/G Sensor A00
02 Block Diagram A00 37 USB2.0 & e-SATA A00
03 Arrandale (DMI,PEG,FDI) A00 38 DB board connector (MB) A00
04 Arrandale (CLK,MISC,JTAG) A00 39 PWR BTN & BT & LED DB A00
D
05 Arrandale (DDR3) A00 40 Power Design Diagram A00 D


06 Arrandale (POWER) A00 41 DCIN & Battery A00
07 Arrandale (GRAPHICS POWER) A00 42 MAX8731A_Smart_Charger A00
08 Arrandale (GND) A00 43 MAX17020 (+3_3V/+5V) A00
09 Arrandale (RESERVED) A00 44 SYS Power+1_1VVTT/+1_05V A00
10 CLOCK GEN A00 45 DDR3 Power(+1_5V/+0_75V) A00
11 PCH (HDA,JTAG,SAT) A00 46 CPU Power_VHCORE A00
12 PCH (PCI-E,SMBUS,CLK) A00 47 CPU Power_DRV-PHASE3 A00
13 PCH (DMI,FDI,GPIO) A00 48 VGA Power(ATI VDD) A00
14 PCH (LVDS,DDI) A00 49 SYS Power +1_8V A00
15 PCH (PCI,USB,NVRAM) A00 50 Others power plane A00
16 PCH (GPIO,VSS_NCTF,RSVD) A00 51 HOLE A00
17 PCH (POWER) 1/2 A00 52 History (1) A00
18 PCH (POWER) 2/2 A00 53 PWR History (1) A00
C 19 PCH (VSS) A00 54 PWR History (2) A00 C

20 DDR3(SO-DIMM_0) 1/2 A00
21 DDR3(SO-DIMM_1) 2/2 A00
22 CRT A00
23 LVDS A00
24 HDMI A00
25 SATA HDD/ODD A00
26 EC+KBC(IT8502E) A00
27 Flash ROM/SPI A00
28 WLAN/WiMAX Mini-PCIECard A00
29 EXPRESS CARD A00
30 BT & CAMERA/Dig MIC CON A00
31 Broadcom LAN(BCM57780M) A00
32 Audio (CODEC & POWER) A00
33 Audio (HP,EXT MIC) A00
B B
34 Audio (SPKR) A00
35 Audio (MUTE) A00

Project Code & Schematics Subject: H901 Main Board_6L


1P-0099J00-6000 (IRIS)
PCB P/N:
1P-0099500-6000 (HANNSTAR)
1P-0099200-6000 (NANYA)
1P-1099J01-6000 (IRIS)
BT DB P/N:
1P-1099502-6000 (HANNSTAR)
1P-1099201-6000 (NANYA) P. Leader Check by Design by
1P-1099J02-6000 (IRIS)
LED DB P/N:
1P-1099501-6000 (HANNSTAR)
A
1P-1099200-6000 (NANYA) A

1P-1099J00-6000 (IRIS)
P/B DB P/N: www.dell.com
1P-1099500-6000 (HANNSTAR) ALL RIGHTS RESERVED
1P-1099202-6000 (NANYA) HON HAI Precision Ind. Co., Ltd.
FOXCONN
Title
CCPBG - R&D Division
Index Page
Size Document Number Rev
A3 H901L_A00 A00

Date: Friday, October 30, 2009 Sheet 1 of 54
5 4 3 2 1
5 4 3 2 1




H901L Arrandale
D D




SO-DIMM 0
LVDS Arrandale Processor CK505 X,TAL
800/1066/1333 MHZ 800/1066/1333 MHZ
WXGA LVDS SLG8SP587V
DDR(III) 204 pin P.10 14.318MHZ
P23
Micro-FCPGA-988 P.20-21
(988-pin rPGA socket)
RGB
SO-DIMM 1
P22 800/1066/1333 MHZ
37.5 mm X 37.5 mm P.3-9 800/1066/1333 MHZ
DDR(III) 204 pin
HDMI P.20-21
P24
FDI
DMI X4



C C



Level Shifter
P24
Int. Speaker TPA6017
pUSB / eSATA
1.5 Walt x 2 Amplifier P33
Combo CONN.
Maxim MAX4983EEVB+
P37
Headphone Jack 2 Realtek South Bridge 2 PCIE
USB switch P37
ALC665 HDA
Headphone Jack 1 5.1Ch PCH - Ibex Peak-M
5 USB2.0
Ext. Mic In Jack USB 2.0
(USB x 14)
P32 USB2.0 4 CONN.X1 P37
(PCIE x 8) 3
USB 2.0 676 mBGA
(SATA x 6) SATA 3.0Gb/s
CONN.X1 PCIE 2 25 mm X 27 mm
P38
P.11-19
Half mini-Card
USB/Audio Board P28
WLAN / WiMax

B B
LPC SATA
Digital Mic
HDD P25 Full mini-Card P28
CAMERA P30 WWAN(with GPS)
SATA WWAN board
Camera Module ODD P25
ITE
MS/SD/MMC/XD Realtek
ITE8502E BT
RTS5159 LQFP-128 GPIO
CardReader P38 Lid SwitchP26
Card reader Board GPIO BT Board
P.26
Express Keyboard
PWM/TACH P26
Card 34
P29 PS2
SPI
SMBus 1
A
RJ45 PULSE Broadcom 57780M A


Gigabit LAN LED
P31 P31
www.dell.com
Thermal Sensor ALL RIGHTS RESERVED
Flash BIOS EMC1422 Power Button Touchpad
FAN BATT CONN HON HAI Precision Ind. Co., Ltd.
P36
16M bit
P27 P41 CPU P36
P38 P38 FOXCONN
Title
CCPBG - R&D Division
Block Diagram
Power switch Board Size Document Number Rev
Custom H901L_A00 A00

Date: Monday, October 19, 2009 Sheet 2 of 54

5 4 3 2 1
1 2 3 4 5 6 7 8




A A
U25A
B26 PEG_COMP R418 1 49.9_F 2 0402
PEG_ICOMPI
13 DMI_TXN[3:0] PEG_ICOMPO A26
DMI_TXN0 A24 B27
DMI_TXN1 DMI_RX#[0] PEG_RCOMPO R417 1 750_F
C23 DMI_RX#[1] PEG_RBIAS A25 2 0402
DMI_TXN2 B22
DMI_TXN3 DMI_RX#[2]
A21 DMI_RX#[3] PEG_RX#[0] K35
13 DMI_TXP[3:0] PEG_RX#[1] J34
DMI_TXP0 B24 J33
DMI_TXP1 DMI_RX[0] PEG_RX#[2]
D23 DMI_RX[1] PEG_RX#[3] G35
DMI_TXP2 B23 G32
DMI_RX[2] PEG_RX#[4]




DMI
DMI
DMI_TXP3 A22 F34
DMI_RX[3] PEG_RX#[5]
13 DMI_RXN[3:0] PEG_RX#[6] F31
DMI_RXN0 D24 D35
DMI_RXN1 DMI_TX#[0] PEG_RX#[7]
G24 DMI_TX#[1] PEG_RX#[8] E33
DMI_RXN2 F23 C33
DMI_RXN3 DMI_TX#[2] PEG_RX#[9]
H23 DMI_TX#[3] PEG_RX#[10] D32
13 DMI_RXP[3:0] PEG_RX#[11] B32
DMI_RXP0 D25 C31
DMI_RXP1 DMI_TX[0] PEG_RX#[12]
F24 DMI_TX[1] PEG_RX#[13] B28
DMI_RXP2 E23 B30
DMI_RXP3 DMI_TX[2] PEG_RX#[14]
G23 DMI_TX[3] PEG_RX#[15] A31

PEG_RX[0] J35
PEG_RX[1] H34
13 FDI_TXN[7:0] PEG_RX[2] H33
FDI_TXN0 E22 F35
FDI_TXN1 FDI_TX#[0] PEG_RX[3]
D21 FDI_TX#[1] PEG_RX[4] G33
B FDI_TXN2 D19 E34 B
FDI_TXN3 FDI_TX#[2] PEG_RX[5]
D18 FDI_TX#[3] PEG_RX[6] F32
FDI_TXN4 G21 D34
FDI_TXN5 FDI_TX#[4] PEG_RX[7]
E19 F33
PCI EXPRESS -- GRAPHICS
FDI_TXN6 FDI_TX#[5] PEG_RX[8]
F21 FDI_TX#[6] PEG_RX[9] B33
FDI_TXN7 G18 D31
FDI_TX#[7] PEG_RX[10]
PEG_RX[11] A32
Intel(R) FDI



13 FDI_TXP[7:0] PEG_RX[12] C30
FDI_TXP0 D22 A28
FDI_TXP1 FDI_TX[0] PEG_RX[13]
C21 FDI_TX[1] PEG_RX[14] B29
FDI_TXP2 D20 A30
FDI_TXP3 FDI_TX[2] PEG_RX[15]
C18 FDI_TX[3]
FDI_TXP4 G22 L33
FDI_TXP5 FDI_TX[4] PEG_TX#[0]
E20 FDI_TX[5] PEG_TX#[1] M35
FDI_TXP6 F20 M33
FDI_TXP7 FDI_TX[6] PEG_TX#[2]
G19 FDI_TX[7] PEG_TX#[3] M30
PEG_TX#[4] L31
13 FDI_FSYNC0 F17 FDI_FSYNC[0] PEG_TX#[5] K32
13 FDI_FSYNC1 E17 FDI_FSYNC[1] PEG_TX#[6] M29
PEG_TX#[7] J31
13 FDI_INT C17 FDI_INT PEG_TX#[8] K29
PEG_TX#[9] H30
13 FDI_LSYNC0 F18 FDI_LSYNC[0] PEG_TX#[10] H29
13 FDI_LSYNC1 D17 FDI_LSYNC[1] PEG_TX#[11] F29
PEG_TX#[12] E28
PEG_TX#[13] D29
PEG_TX#[14] D27
PEG_TX#[15] C26
C C
PEG_TX[0] L34
PEG_TX[1] M34
PEG_TX[2] M32
PEG_TX[3] L30
PEG_TX[4] M31
PEG_TX[5] K31
PEG_TX[6] M28
PEG_TX[7] H31
PEG_TX[8] K28
PEG_TX[9] G30
PEG_TX[10] G29
PEG_TX[11] F28
PEG_TX[12] E27
PEG_TX[13] D28
PEG_TX[14] C27
PEG_TX[15] C25



SOCKET_988P
FOX_PZ98827-364A-01F




D D

www.dell.com
ALL RIGHTS RESERVED
HON HAI Precision Ind. Co., Ltd.
FOXCONN
Title
CCPBG - R&D Division
Arrandale (DMI,PEG,FDI)
Size Document Number Rev
A3 H901L_A00 A00

Date: Monday, October 19, 2009 Sheet 3 of 54

1 2 3 4 5 6 7 8
5 4 3 2 1

Layout Note:
Comp0,2 connect with Zo=27.4 ohm, make trace
length shorter then 0.5". Width=20mil(MS) +1_1V_VTT
Comp1,3 connect with Zo=55 ohm, make trace
length shorter then 0.5". Width=5mil(MS)




1
Place close to chip +3VRUN R174
68_J
U25B 0402




1
R465 1 20_F 2 0402 COMP3 AT23 R63 1 0_J 2 0402
CLK_PCH_CPU_CLK 16




2
COMP3 CPU_BCLK R414 NC_0_J 0402 R200 PROCHOT#
BCLK A16 1 2 CLK_CPU_BCLK 10




MISC
MISC
R466 1 20_F 2 0402 COMP2 AT24 B16 CPU_BCLK# R413 1 NC_0_J 2 0402 2.2K_J
COMP2 BCLK# CLK_CPU_BCLK# 10




3
D R64 1 0_J 2 0402 0402 D
CLK_PCH_CPU_CLK# 16 D




CLOCKS
R106 1 49.9_F 2 0402 COMP1 G16 AR30 BCLK_ITP Q19A




2
COMP1 BCLK_ITP BCLK_ITP#
BCLK_ITP# AT30 2N7002DW-7-F
R460 1 49.9_F 2 0402 COMP0 AT26 COMP0
A0205 5 G
E16 CLK_EXP_P_R R59 1 0_J 2 0402 S
PEG_CLK CLK_EXP_P 12




6
D16 CLK_EXP_N_R R60 1 0_J 2 0402 CLK_EXP_N 12




4
PEG_CLK# D Q19B
26 CPU_DET# AH24 SKTOCC#
A18 CLK_DP_P_R R708 1 0_J 2 0402 2N7002DW-7-F
DPLL_REF_SSCLK CLK_DP_P 12
DPLL_REF_SSCLK# A17 CLK_DP_N_R R709 1 0_J 2 0402 CLK_DP_N 12 26,36 OVT_EC# 2 G
H_CATERR# AK14 S
CATERR# +1_1V_VTT




THERMAL
THERMAL




1
F6 DDR3_DRAMRST#
SM_DRAMRST# DDR3_DRAMRST# 20,21




1




1
R176 1 0_J 2 0402 H_PECI_R AT15
16 H_PECI PECI
AL1 SM_RCOMP0 R457 1 100_F 2 0402 R179 R178
SM_RCOMP[0] SM_RCOMP1 R458 1 24.9_F
SM_RCOMP[1] AM1 2 0402
AN1 SM_RCOMP2 R459 1 130_F 2 0402 10K_J 10K_J
SM_RCOMP[2] PM_EXTTS#0 20,21
PROCHOT# AN26 0402 0402
48 PROCHOT#




2




2
PROCHOT# PM_EXTTS#0 R712 1 NC_0_J 2 0402
PM_EXT_TS#[0] AN15 DDR_ALERT# 36




DDR3
MISC
AP15 PM_EXTTS#1
PM_EXT_TS#[1] PM_EXTTS#1 21




1
R192 1 0_J 2 0402 PM_THRMTRIP#_1AK15
16,26 PM_THRMTRIP# THERMTRIP# +1_1V_VTT
R177
TCK 50 PD
PRDY# AT28 XDP_PRDY# TP841 NC_12.4K_F
TMS 2k~5k PU
Layout Check-thermal, power manager AP27 XDP_PREQ# 0402




2
PREQ# XDP_TDO R468 51_J 0402 TRST 2k~5k PU
1 2
TCK AN28 XDP_TCLK +3VRUN XDP_TMS R171 1 NC_51_J2 0402 TDI 50 PU
H_CPURST#_R AP26 AP28 XDP_TMS XDP_TDI R469 1 NC_51_J2 0402
RESET_OBS# TMS TDO unconnect




PWR MANAGEMENT
C
TRST# AT27 XDP_TRST# XDP_PREQ# R172 1 NC_51_J2 0402 C




2
XDP_TCLK R170 NC_51_J2 0402




JTAG & BPM
1 TDI_M 50 PU
R193 1 0_J 2 0402 H_PM_SYNC_R AL15 AT29 XDP_TDI_R R1292 XDP_TRST#
13 H_PM_SYNC PM_SYNC TDI
AR27 XDP_TDO_R 51_J
TDO_M unconnect
R180 TDO XDP_TDI_M
TDI_M AR29 0402




2
1 0_J 2 0402 CPUPWRGD1_R AN14 AP29 XDP_TDO_M




1
VCCPWRGOOD_1 TDO_M R461
DBR# AN25 XDP_DBRESET# 51_J
R195 1 0_J 2 0402 CPUPWRGD_R AN27 0402
16 H_CPUPWRGD VCCPWRGOOD_0




1
BPM#[0] AJ22
R183 1 0_J 2 0402 DRAM_PWRGD AK13