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8 7 6 5 4 3 2 1
CK
1. ALL RESISTANCE VALUES ARE IN OHMS, 0.1 WATT +/- 5%. APPD
REV ECN DESCRIPTION OF REVISION
2. ALL CAPACITANCE VALUES ARE IN MICROFARADS. DATE
3. ALL CRYSTALS & OSCILLATOR VALUES ARE IN HERTZ.
2011-04-18

SCHEM,EVT,MLB,K21
04/18/11

D (.csa) Date (.csa) Date D
Page Contents Sync Page Contents Sync
TABLE_TABLEOFCONTENTS_HEAD TABLE_TABLEOFCONTENTS_HEAD

1 MASTER 54 01/16/2011
1 Table of Contents MASTER 46 High Side Current Sensing K78_MLB
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

2 12/11/2009 55 01/16/2011
2 System Block Diagram K6_MLB 47 Thermal Sensors K78_MLB
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

3 19/01/2011 56 01/10/2011
3 Power Block Diagram 48 Fan K78_MLB
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

4 MASTER 57 01/10/2011
4 Revision History MASTER 49 IPD / KBD Backlight K78_MLB
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

5 05/28/2009 61 01/10/2011
5 BOM Configuration K17_REF 50 SPI ROM K78_MLB
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

7 (02/16/2010) 62 01/10/2011

6 Functional Test / No Test (K99_MLB) 51 AUDI0: SPEAKER AMP K78_MLB
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

8 05/15/2010 69 08/20/2010
7 Power Aliases K91_MLB 52 DC-In & Battery Connectors JACK_K90I
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

9 05/15/2010 70 12/03/2010
8 Signal Aliases K91_MLB 53 PBus Supply & Battery Charger K78_MLB
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

10 01/10/2011 71 01/16/2011
9 CPU DMI/PEG/FDI/RSVD K78_MLB 54 System Agent Supply K78_MLB
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

11 01/10/2011 72 01/16/2011
10 CPU CLOCK/MISC/JTAG K78_MLB 55 5V / 3.3V Power Supply K78_MLB
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

12 01/10/2011 73 01/10/2011
11 CPU DDR3 INTERFACES K78_MLB 56 1.5V DDR3 Supply K78_MLB
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

13 01/10/2011 74 01/10/2011
12 CPU POWER K78_MLB 57 CPU IMVP7 & AXG VCore Regulator K78_MLB
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

14 01/10/2011 75 12/07/2010
13 CPU GROUNDS K78_MLB 58 CPU IMVP7 & AXG VCore Output K78_MLB
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

16 02/08/2011 76 01/10/2011
14 CPU DECOUPLING-I K78_MLB 59 CPU VCCIO (1.05V) Power Supply K78_MLB
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

17 01/10/2011 77 01/16/2011
15 CPU DECOUPLING-II K78_MLB 60 Misc Power Supplies K78_MLB
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

18 12/13/2010 78 01/10/2011
16 PCH SATA/PCIE/CLK/LPC/SPI 61 Power FETs
C TABLE_TABLEOFCONTENTS_ITEM

17
19
PCH DMI/FDI/GRAPHICS
K21_MLB

K21_MLB
12/13/2010
TABLE_TABLEOFCONTENTS_ITEM

62
79
Power Control 1/ENABLE
K78_MLB

K78_MLB
01/10/2011 C
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

20 12/13/2010 90 02/10/2011

18 PCH PCI/FLASHCACHE/USB K21_MLB 63 Internal DisplayPort Connector K78_MLB
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

21 12/13/2010 93 12/13/2010
19 PCH MISC K21_MLB 64 DisplayPort/T29 A MUXing K21_MLB
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

22 12/13/2010 94 12/07/2010
20 PCH POWER K21_MLB 65 DisplayPort/T29 A Connector K78_MLB
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

23 01/10/2011 97 01/16/2011

21 PCH GROUNDS K78_MLB 66 LCD Backlight Driver K78_MLB
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

24 01/10/2011 100 04/06/2011
22 PCH DECOUPLING K78_MLB 67 CPU Constraints K21_CONSTRAINTS
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

25 12/13/2010 101 04/06/2011

23 CPU & PCH XDP K21_MLB 68 Memory Constraints K21_CONSTRAINTS
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

26 12/13/2010 102 04/06/2011

24 USB HUBS K21_MLB 69 PCH Constraints 1 K21_CONSTRAINTS
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

27 11/29/2010 103 04/06/2011

25 Clock (CK505) and Chipset Support K78_MLB 70 PCH Constraints 2 K21_CONSTRAINTS
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

28 12/13/2010 104 04/06/2011

26 CPU Memory S3 Support K21_MLB 71 Ethernet/FW Constraints K21_CONSTRAINTS
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

29 12/07/2010 105 04/06/2011
27 DDR3 DRAM CHANNEL A (0-31) K78_MLB 72 T29 Constraints K21_CONSTRAINTS
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

30 12/07/2010 106 04/06/2011
28 DDR3 DRAM CHANNEL A (32-63) K78_MLB 73 SMC Constraints K21_CONSTRAINTS
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

31 12/07/2010 108 04/06/2011
29 DDR3 DRAM CHANNEL B (0-31) K78_MLB 74 Project Specific Constraints K21_CONSTRAINTS
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

32 12/07/2010 109 04/06/2011
30 DDR3 DRAM CHANNEL B (32-63) K78_MLB 75 PCB Rule Definitions K21_CONSTRAINTS
TABLE_TABLEOFCONTENTS_ITEM TABLE_TABLEOFCONTENTS_ITEM

33 01/10/2011
31 FSB/DDR3/FRAMEBUF Vref Margining K78_MLB
TABLE_TABLEOFCONTENTS_ITEM

34 12/16/2010
32 DDR3 DRAM Channel B (32-63) K78_MLB
TABLE_TABLEOFCONTENTS_ITEM

35 (MASTER)
33 SecureDigital Card Reader (MASTER)
TABLE_TABLEOFCONTENTS_ITEM

B TABLE_TABLEOFCONTENTS_ITEM
34
36

37
T29 Host (1 of 2) K78_MLB
01/10/2011

01/10/2011
B
35 T29 Host (2 of 2) K78_MLB
TABLE_TABLEOFCONTENTS_ITEM

38 01/10/2011
36 T29 Power Support K78_MLB
TABLE_TABLEOFCONTENTS_ITEM

40 12/13/2010
37 X21 WIRELESS CONNECTOR K21_MLB
TABLE_TABLEOFCONTENTS_ITEM

45 01/10/2011
38 SATA CONNECTOR K78_MLB
TABLE_TABLEOFCONTENTS_ITEM

46 12/13/2010
39 External USB Connectors K21_MLB
TABLE_TABLEOFCONTENTS_ITEM

47 11/09/2010
40 Left I/O (LIO) Connector K21_MLB
TABLE_TABLEOFCONTENTS_ITEM

49 01/10/2011
41 SMC K78_MLB
TABLE_TABLEOFCONTENTS_ITEM

50 01/10/2011
42 SMC Support K78_MLB
TABLE_TABLEOFCONTENTS_ITEM

51 01/10/2011

43 LPC+SPI Debug Connector K78_MLB
TABLE_TABLEOFCONTENTS_ITEM

52 01/10/2011
44 SMBus Connections K78_MLB
TABLE_TABLEOFCONTENTS_ITEM

53 01/10/2011
45 Voltage & Load Side Current Sensing K78_MLB
TABLE_TABLEOFCONTENTS_ITEM

A A
DRAWING TITLE

SCHEM,MOCKUP,MLB,K21
DRAWING NUMBER SIZE
Schematic / PCB #'s Apple Inc. 051-8870 D
REVISION
PART NUMBER QTY DESCRIPTION REFERENCE DES CRITICAL BOM OPTION R
3.13.0
051-8870 1 SCHEM,MLB,K21 SCH CRITICAL NOTICE OF PROPRIETARY PROPERTY: BRANCH
PRODUCT SAFETY REQUIREMENTS: THE INFORMATION CONTAINED HEREIN IS THE
820-3023 1 PCBF,MLB,K21 PCB CRITICAL PROPRIETARY PROPERTY OF APPLE COMPUTER, INC.
PCB,UL RECOGNIZED, MIN. 130-C TEMP RATING AND V-O FLAME RATING PER UL 796 & UL 94 THE POSESSOR AGREES TO THE FOLLOWING: PAGE
DRAWING
TITLE=MLB
PCB TO BE SILK-SCREENED WITH UL/CUL RECOGNITION MARK, MANUFACTURER'S UL FILE I TO MAINTAIN THIS DOCUMENT IN CONFIDENCE
II NOT TO REPRODUCE OR COPY IT
1 OF 109
ABBREV=DRAWING
NUMBER, UL PCB MATERIAL DESIGNATION, 130-C TEMP RATING AND V-O FLAME RATING III NOT TO REVEAL OR PUBLISH IT IN WHOLE OR PART SHEET
LAST_MODIFIED=Mon Apr 18 17:52:39 2011 IV ALL RIGHTS RESERVED 1 OF 75
8 7 6 5 4 3 2 1
8 7 6 5 4 3 2 1

1G/2GB

J2500
CPU JTAG
XDP CONN U2900,U3030
PG 10

U1000 MEMORY
PG 23

D A
DDR3-1066/1333MHZ
64-Bit D
INTEL CPU PG 27,38
J9000 1G/2GB
INTERNAL
DISPLAY EDP
SANDYBRIDGE SFF MEMORY
CONN
PG 63 PG 9 U7000
U3100,3230
1.6 GHZ
MEMORY
DDR3-1066/1333MHZ CHARGER POWER CIRCUITRY
B
64-Bit
PG 52-60
PG 29,30
PCIE FDI PG 52
DMI
PG 9
PG 9 PG 9 PG 11

TEMP SENSOR
PG 47

VOLTAGE/CURRENT SENSOR
RTC FDI DMI GPIO
U2700
PG 46

SYSTEM PG 16 PG 17 PG 17 PG 15 U6100
CLOCK
J5600

CLOCK
SPI BOOTROM
PG 25
BUFFER FAN CONN
PG 16
PG 50
PG16 PG 48

MISC
J4501
U4900
SSD SATA SMB_BSA SMB_B/0 ADC FAN0
PG 19
CONN
C PG 38
PG 16 LPC
J5100
LPC+SPI SERIAL
C
CONN PORT

U1800 PG 16 SMC
PG 43

EDP OUT PWR
INTEL PCH CTRL PM_SLP
S3/S4
HDMI OUT PG 41
SMB_A LID
PG 17
RGB OUT U2600 U3500

COUGAR POINT

0
U3600
PCIE DVI OUT USB SD CARD J3500

HUB-1 CONTROLLER

1
TMDS OUT SDCARD

2
LVDS OUT CONN

3
PG 24 PG 33 PG 33
T29 ROUTER

4
1

5
PG 34,35 J5700
U9390
J9400
IPD FLEX

6
DISPLAY PORT+ DP DP OUT U2650

T29 USB CONN

7
MUX USB PG 49
CONN HUB-2

8
PG 17
PG 65
PG 64 J4600

9