Apple iBook G4 - Disabling Onboard Ram Tutorial

8/12/2019 Apple iBook G4 - Disabling Onboard Ram Tutorial

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1512Mb: x4, x8, x16 DDR SDRAM Micron Technology, Inc., reserves the right to change products or specifications without notice.

512Mx4x8x16DDR_B.p65 Rev. B; Pub 4/01 2001, Micron Technology, Inc.

512Mb: x4, x8, x16DDR SDRAM

ADVANCE

PRODUCTS AND SPECIFICATIONS DISCUSSED HEREIN ARE FOR EVALUATION AND REFERENCE PURPOSES ONLY AND ARE

SUBJECT TO CHANGE BY MICRON WITHOUT NOTICE. PRODUCTS ARE ONLY WARRANTED BY MICRON TO MEET MICRONSPRODUCTION DATA SHEET SPECIFICATIONS.

DOUBLE DATA RATE(DDR) SDRAM

MT46V128M4 32 Meg x 4 x 4 banksMT46V64M8 16 Meg x 8 x4 banksMT46V32M16 8 Meg x16 x 4 banksFor the latest data sheet revisions, please refer to the MicronWeb site:www.micron.com/datasheets

PIN ASSIGNMENT (TOP VIEW)

66-Pin TSOP

FEATURES VDD= +2.5V 0.2V, VDDQ = +2.5V 0.2V Bidirectional data strobe (DQS) transmitted/

received with data, i.e., source-synchronous datacapture (x16 has two one per byte)

Internal, pipelined double-data-rate (DDR)architecture; two data accesses per clock cycle

Differential clock inputs (CK and CK#) Commands entered on each positive CK edge DQS edge-aligned with data for READs; center-

aligned with data for WRITEs DLL to align DQ and DQS transitions with CK Four internal banks for concurrent operation Data mask (DM) for masking write data (x16 has

two one per byte) Programmable burst lengths: 2, 4, or 8 x16 has programmable IOL/IOV. Concurrent auto precharge option is supported Auto Refresh and Self Refresh Modes Longer lead TSOP for improved reliability (OCPL) 2.5V I/O (SSTL_2 compatible)

OPTIONS MARKING Configuration

128 Meg x 4 (32 Meg x 4 x 4 banks) 12 8M464 Meg x 8 (16 Meg x 8 x 4 banks) 64M832 Meg x 16 (8 Meg x 16 x 4 banks) 32M16

Plastic Package OCPL66-pin TSOP (standard 22.3mm length) TG(400 mil width, 0.65mm pin pitch)

Timing Cycle Time7.5ns @ CL = 2 (DDR266B)1 -75Z7.5ns @ CL = 2.5 (DDR266B)2 -7510ns @ CL = 2 (DDR200)2 -8

Self RefreshStandard noneLow Power L

NOTE: 1. Supports PC2100 modules with 2-3-3 timing2. Supports PC2100 modules with 2.5-3-3 timing3. Supports PC1600 modules with 2-2-2 timing

128 Meg x 4 64 Meg x 8 32 Meg x 16

Configuration 32 Meg x 4 x 4banks 16 Meg x 8 x 4 banks 8 Meg x 16 x 4 banks

Refresh Count 8K 8K 8K

Row Addressing 8K(A0A12) 8K (A0A12) 8K (A0A12)

Bank Addressing 4(BA0, BA1) 4 (BA0, BA1) 4 (BA0, BA1)

Column Addressing 4K (A0A9, A11, A12) 2K (A0A9, A11) 1K(A0A9)

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

66

65

64

63

62

61

60

59

58

57

56

55

54

53

52

51

50

49

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

VSS

DQ15

VSSQ

DQ14

DQ13

VDDQ

DQ12

DQ11VSSQ

DQ10

DQ9

VDDQ

DQ8

NC

VSSQ

UDQS

DNU

VREF

VSS

UDM

CK#

CK

CKE

NC

A12

A11

A9

A8

A7

A6

A5

A4

VSS

x16

VDD

DQ0

VDDQ

DQ1

DQ2

VssQ

DQ3

DQ4VDDQ

DQ5

DQ6

VssQ

DQ7

NC

VDDQ

LDQS

NC

VDD

DNU

LDM

WE#

CAS#

RAS#

CS#

NC

BA0

BA1

A10/AP

A0

A1

A2

A3

VDD

x16

VSS

DQ7

VSSQ

NC

DQ6

VDDQ

NC

DQ5

VSSQ

NC

DQ4

VDDQ

NC

NC

VSSQ

DQS

DNU

VREF

VSS

DM

CK#

CK

CKE

NC

A12

A11

A9

A8

A7

A6

A5

A4

VSS

x8 x4

VSS

NC

VSSQ

NC

DQ3

VDDQ

NC

NC

VSSQ

NC

DQ2

VDDQ

NC

NC

VSSQ

DQS

DNU

VREF

VSS

DM

CK#

CK

CKE

NC

A12

A11

A9

A8

A7

A6

A5

A4

VSS

VDD

DQ0

VDDQ

NC

DQ1

VSSQ

NC

DQ2VDDQ

NC

DQ3

VSSQ

NC

NC

VDDQ

NC

NC

VDD

DNU

NC

WE#

CAS#

RAS#

CS#

NC

BA0

BA1

A10/AP

A0

A1

A2

A3

VDD

x8x4

VDD

NC

VDDQ

NC

DQ0

VSSQ

NC

NCVDDQ

NC

DQ1

VSSQ

NC

NC

VDDQ

NC

NC

VDD

DNU

NC

WE#

CAS#

RAS#

CS#

NC

BA0

BA1

A10/AP

A0

A1

A2

A3

VDD

KEY TIMING PARAMETERSSPEED CLOCK RATE DATA-OUT ACCESS DQS-DQ

GRADE CL = 2** CL = 2.5** WINDOW* WINDOW SKEW

-75 133 MHz 133 MHz 2.5ns 0.75ns +0.5ns

-75 100 MHz 133 MHz 2.5ns 0.75ns +0.5ns

-8 100 MHz 125 MHz 3.4ns 0.8ns +0.6ns

*Minimum clock rate @ CL = 2 (-8) and CL = 2.5 (-75)**CL = CAS (Read) Latency


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ADVANCE

PIN DESCRIPTIONS

TSOP PIN NUMBERS SYMBOL TYPE DESCRIPTION

45, 46 CK, CK# Input Clock: CK and CK# are differential clock inputs. All address and

control input signals are sampled on the crossing of the positiveedge of CK and negative edge of CK#. Output data (DQs andDQS) is referenced to the crossings of CK and CK#.

44 CKE Input Clock Enable: CKE HIGH activates and CKE LOW deactivates theinternal clock, input buffers and output drivers. Taking CKE LOWprovides PRECHARGE POWER-DOWN and SELF REFRESHoperations (all banks idle), or ACTIVE POWER-DOWN (rowACTIVE in any bank). CKE is synchronous for POWER-DOWNentry and exit, and for SELF REFRESH entry. CKE is asynchronousfor SELF REFRESH exit and for disabling the outputs. CKE must bemaintained HIGH throughout read and write accesses. Inputbuffers (excluding CK, CK# and CKE) are disabled during POWER-DOWN. Input buffers (excluding CKE) are disabled during SELF

REFRESH. CKE is an SSTL_2 input but will detect an LVCMOSLOW level after VDDis applied.

24 CS# Input Chip Select: CS# enables (registered LOW) and disables (regis-tered HIGH) the command decoder. All commands are maskedwhen CS# is registered HIGH. CS# provides for external bankselection on systems with multiple banks. CS# is considered partof the command code.

23, 22, 21 RAS#,CAS#, Input Command Inputs: RAS#, CAS#, and WE# (along with CS#) define theWE# command being entered.

47 DM Input Input Data Mask: DM is an input mask signal for write data. Input20, 47 LDM, UDM data is masked when DM is sampled HIGH along with that input data

during a WRITE access. DM is sampled on both edges of DQS.

Although DM pins are input-only, the DM loading is designed tomatch that of DQ and DQS pins. For the x16 , LDM is DM for DQ0-DQ7 and UDM is DM for DQ8-DQ15. Pin 20 is a NC on x4 and x8

26, 27 BA0, BA1 Input Bank Address Inputs: BA0 and BA1 define to which bank anACTIVE, READ, WRITE, or PRECHARGE command is being applied.

29-32, 35-40, A0A12 Input Address Inputs: Provide the row address for ACTIVE commands, and28, 41, 42 the column address and auto precharge bit (A10) for READ/WRITE

commands, to select one location out of the memory array in therespective bank. A10 sampled during a PRECHARGE commanddetermines whether the PRECHARGE applies to one bank (A10 LOW,bank selected by BA0, BA1) or all banks (A10 HIGH). The addressinputs also provide the op-code during a MODE REGISTER SETcommand. BA0 and BA1 define which mode register (mode registeror extended mode register) is loaded during the LOAD MODEREGISTER command.

2, 4, 5, 7, 8, 10, 11, 13, DQ015 I/O Data Input/Output: Data bus for x16 (4, 7, 10, 13, 54, 57, 60, and 6354, 56, 57, 59, 60, 62, are NC for x8), (2, 4, 7, 8,10, 13, 54, 57, 59, 60, 63, and 65 for x4).

63, 65

(continued on next page)


17/21




ADVANCE

PIN DESCRIPTIONS (continued)


RESERVED NC PINS1


17 A13 I Address input for 1Gb devices.

NOTE: 1. NC pins not listed may also be reserved for other uses now or in the future. This table simply defines specific NC pins deemed to be of importance.

2, 5, 8, 11, 56, 59, 62, 65 DQ0-7 I/O Data Input/Output: Data bus for x8 (2, 8, 59 and 65 are NC for x4).

5, 11, 56, 62 DQ0-3 I/O Data Input/Output: Data bus for x4.

51 DQS I/O Data Strobe: Output with read data, input with write data. DQS is16, 51 LDQS, UDQS edge-aligned with read data, centered in write data. It is used to

capture data. For the x16 , LDQS is DQS for DQ0-DQ7 and UDQS isDQS for DQ8-DQ15. Pin 16 is NC on x4 and x8.

50 DNU Do Not Use: Must float to minimize noise.

3, 9, 15, 55, 61 VDDQ Supply DQ Power Supply: +2.5V 0.2V. Isolated on the die for improvednoise immunity.

6, 12, 52, 58, 64 VSSQ Supply DQ Ground. Isolated on the die for improved noise immunity.

1, 18, 33 VDD Supply Power Supply: +2.5V 0.2V.

34, 48, 66 VSS Supply Ground.

49 VREF Supply SSTL_2 reference voltage.

14, 17, 19, 25, 43, 53 NC No Connect: These pins should be left unconnected.


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ADVANCE

(TG) OPTION66-PIN PLASTIC TSOP (400 MIL)

NOTE: 1. All dimensions in millimetersMAX

or typical here noted.MIN

2. Package width and length do not include mold protrusion; allowable mold protrusion is 0.25mm perside.

SEE DETAIL A

0.10

0.65 TYP

0.71

10.16 0.08

0.15

0.50 0.10

PIN #1 ID

DETAIL A

22.22 0.08

0.32 .075 TYP

+0.03

-0.02

+0.10

-0.05

1.20 MAX

0.10

0.25

11.76 0.10

0.80 TYP

0.10 (2X)

GAGE PLANE

8000 S. Federal Way, P.O. Box 6, Boise, ID 83707-0006, Tel: 208-368-3900E-mail: [email protected], Internet: http://www.micron.com, Customer Comment Line: 800-932-4992

Micron is a registered trademark and the Micron logo and M logo are trademarks of Micron Technology, Inc.


19/21

11/30/09 12:Book G4 (Mid 2005) - Technical Specifications

Page ttp://support.apple.com/kb/SP43

ast Modified:October 13, 2008

rticle:SP43

Book G4 (Mid 2005) - Technical Specifications

Book G4 (Mid 2005) - Technical Specifications

Configurations 12-inch Combo Drive 14-inch SuperDrive

Model M9846LL/A M9848LL/A

Processor 1.33GHz PowerPC G4 1.42GHz PowerPC G4

Level 2 Cache 512K at 1.33GHz 512K at 1.42GHz

System bus 133MHz 142MHz

Memory (DDR SDRAM) 512MB PC2700 (333MHz) DDR SDRAM; supports up to 1.5GB; 1 available expansion slot

Hard drive 40GB ATA/100 4200 rpm 60GB ATA/100 4200 rpm

Optical drive Slot-Load Combo Drive DVD-ROM/CD-RW Slot-Load SuperDrive DVDRW/CD-RW

Display 12.1-inch (diagonal) TFT XGA 14.1-inch (diagonal) TFT XGA

Graphics support ATI Mobility Radeon 9550 with 32MB of dedicated DDR SDRAM

FireWire One FireWire 400 port at up to 400 Mbps

USB Two USB 2.0 ports at up to 480 Mbps each

VGA, S-video and composite video output Video mirroring supports VGA video out to an external display or projector (requires

included Apple VGA Video Adapter) and S-video and composite video out to a TV or VCR

(requires optional Apple Video Adapter, sold separately).

Modem Built-in 56K V.92 modem

Ethernet Built-in 10/100BASE-T Ethernet

Wireless Built-in 54-Mbps AirPort Extreme (Wi-Fi 802.11g); built-in Bluetooth 2.0+EDR

System software Mac OS X version 10.4 Tiger

Software iLife 06 (includes iTunes, iPhoto, iMovie HD, iDVD , GarageBand, iWeb), Mail,

Dashboard, Spotlight, iChat AV, Safari, Sherlock, QuickTime, iSync, iCal, DVD Player,

Address Book, AppleWorks, iWork (30-day trial), Classic environment, Quicken 2005 for

Macintosh, 2005 World Book Multimedia Reference Suite, Nanosaur 2, Marble Blast Gold,

Microsoft Office 2004 for Mac Test Drive, Zinio Reader, XCode Developer Tools and Apple

Hardware Test

Service and support 90 days of free telephone support and one-year limited warranty. Product contains

documentation. Backup copy of software is provided on CD-ROM.

Hardware accessories Apple VGA Display Adapter, modem cable, power adapter, AC wall plug, power cord,

lithium-ion battery

Build-to-Order Options Order a custom-configured iBook from the onlineApple Storeor an authorized Applereseller.

Memory 256MB (768MB total), 512MB (1GB total), 1GB (1.5GB total)

Hard Drive 60GB, 80GB or 100GB ATA-100 4200RPM

Wireless AirPort Extreme Base Station (with modem and antenna port) M8799LL/A

AirPort Express Base Station M9470LL/A

Adapters and cables Apple Video Adapter M9109G/A

Apple VGA Display Adapter M8639G/A

Apple FireWire Cable (4-pin to 6-pin, 1.8 meter) M8706G/A

Battery and power Apple Portable Power Adapter M8943LL/A

iBook Rechargeable Battery (12.1-inch iBook with Combo drive) M9337G/A

iBook Rechargeable Battery (14.1-inch iBook) M9338G/A

Accessories Apple Wireless Keyboard M9270LL/A

Apple Wireless Mouse M9269Z/A

Apple Keyboard (White) M9034LL/A

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http://www.apple.com/store/http://support.apple.com/kb/index?page=login&redirect=http%3A%2F%2Fsupport.apple.com%2Fkb%2Findex%3Fpage%3Dkb%26id%3DSP43%26locale%3Den_US%26login%3Demailhttp://www.apple.com/store/http://support.apple.com/kb/SP43


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Technical Specifications

rocessor and memory

1.33GHz or 1.42GHz PowerPC G4 processor with Velocity Engine and 512K on-chip level 2 cache

133MHz or 142MHz system bus

512MB of PC2700 (333MHz) DDR SDRAM with support for up to 1.5GB

torage

40GB or 60GB Ultra ATA hard disk drive

One of the following optical drives:

Combo Drive (DVD-ROM/CD-RW); writes CD-R discs at up to 24x speed, writes CD-RW discs at up to 16x

speed, reads DVD-ROM discs at up to 8x speed, reads CD-ROM discs at up to 24x speed

8x SuperDrive (DVDRW/CD-RW); writes DVDR discs at up to 8x speed, writes DVDRW discs at up to 4x

speed, reads DVDs at up to 8x speed, writes CD-R discs at up to 24x speed, writes CD-RW discs at up to

16x speed, reads CDs at up to 24x speed.

Support for external FireWire and USB storage devices

isplay

Choice of built-in 12.1-inch or 14.1-inch (diagonal) TFT XGA active-matrix display

Support for millions of colors at 1024 x 768 pixel resolution

Support for resolution scaling to 800 x 600 pixel and 640 x 480 pixel resolution with millions of colors

raphics support

ATI Mobility Radeon 9550 graphics processor with 32MB of dedicated video memory and AGP 4X support

ommunications

Built-in 56K V.92 modem (RJ-11 connector)

Built-in 10/100BASE-T Ethernet (RJ-45 connector)

Built-in 54 Mbps AirPort Extreme (compliant with 802.11g standard; Wi-Fi Certified for 802.11g and 802.11b

interoperability)

Built-in Bluetooth 2.0+EDR

eripheral connections

Two 480 Mbps USB 2.0 ports

One FireWire 400 port at up to 400 Mbps

udio

16-bit CD-quality stereo headphone jack

Built-in stereo speakers

Built-in omnidirectional microphone

Support for external USB audio devices such as microphones and speakers

ideo

VGA video output for video mirroring on an external display or projector (24-bit color) with included Apple

VGA Display Adapter.

S-video and composite video output to TV or projector (requires Apple Video Adapter, sold separately)

attery

iBook G4 with 12.1-inch display: 50-watt-hour lithium-ion battery provides up to 6 hours of battery life on a

single charge

iBook G4 with 14.1-inch display: 61-watt-hour lithium-ion battery provides up to 6 hours of battery life on a

single charge

Integrated charge indicator LEDs on battery

eyboard and trackpad

Apple Mouse (White) M9035G/A

iSight M8817LL/C

Services AppleCare Protection Plan M8852LL/A

.Mac Subscription M9888Z/A

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Built-in full-size keyboard with 77 (U.S.) or 78 (ISO) keys, including 12 function keys, 4 arrow keys (inverted

"T" arrangement) and embedded numeric keypad

Solid-state trackpad provides precise cursor control; supports tap, double-tap, drag and scrolling capabilities

lectrical and environmental

Meets ENERGY STAR requirements

Line voltage: 100V to 240V AC

Frequency: 50 to 60 Hz

Operating temperature: 50 to 95 F (10 to 35 C)

Storage temperature: -13 to 113 F (-25 to 45 C)

Relative humidity: 20% to 80% noncondensing

Maximum operating altitude: 10,000 feet

Maximum storage altitude: 15,000 feet

ize and weight (12.1-inch model)

Height: 1.35 inches (3.42 cm)

Width: 11.2 inches (28.5 cm)

Depth: 9.06 inches (23.0 cm)

Weight: 4.9 pounds (2.2 kg)

ize and weight: (14.1-inch model)

Height: 1.35 inches (3.42 cm)

Width: 12.7 inches (32.3 cm)

Depth: 10.2 inches (25.9 cm)

Weight: 5.9 pounds (2.7 kg)

Weight varies by configuration and manufacturing process.

1GB = 1 billion bytes; actual formatted capacity less.

Compatible ISP and telephone services required. Your ISP may not support all V.92 features. Modem will function according to V.90

standards if V.92 services are not available. Actual modem speeds lower; speed depends on connection rate and other factors.

Wireless Internet access requires AirPort Base Station or AirPort Extreme Base Station and Internet access (fees may apply). Some ISPs

are not currently compatible with AirPort. Range may vary with site conditions.

You need an Apple SuperDrive to burn DVDs in iDVD, but you can save iDVD projects as an archive on iBook G4 models with a Combo

Drive and later transfer them to a SuperDrive-equipped system and burn them to a DVD.

Actual rates will vary.

Battery life depends on configuration and use.

ternet access requires a compatible Internet service provider; fees may apply. Product contains electronic documentation. Backup copy

f software is included.

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Apple iBook G4 - Disabling Onboard Ram Tutorial

Documents

Transcript of Apple iBook G4 - Disabling Onboard Ram Tutorial