® A7A133266MHz FSB AGP Pro/4X

Socket A

2

© 2001

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27

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14

1 6

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25

2

1110

19

1516

17

18

4 5

812

14

24.5cm (9.64in)

30.5

cm (

12.0

in)

PANEL

IR

A7A133

AUX

MODEM

CD1

LED1

JEN

COM1

COM2

VID

AFPANEL

So

cket 4

62

0 1 2 3

USB1

CHASSIS

IDELED

USB2

AUDIO_PANELMIC2

PS/2

USB1USB2

4 5

BCS1

CPU_FAN

PWR_FAN

CHA_FAN

DS

W

WOR

WOL_CON

CLRTC

JTPWR

BCS2

SMB

15

16

A7A133

A7A133 Onboard LED

ON OFFStandbyPower

PoweredOff

LED1

17

™ ™

A7A133

A7A133 DIP Switch

DSW

OFF

ON1

23

45

67

89

10

ON

1. Frequency Multiple2. Frequency Multiple3. Frequency Multiple4. Frequency Multiple 5. Not used

6. Frequency Selection7. Frequency Selection8. Frequency Selection9. Frequency Selection

10. CPU Ratio Selection

A7A133

A7A133 Jumper Mode Setting

Jumper Mode Jumper Free(Default)

1 2 2 3

JEN

DSW

OFF

ON1

23

45

67

89

10

ON

18

A7A133

A7A133 VID Selection

Enable(Default)

VIDDisable

2 31 2

A7A133

A7A133 Bass Center Setting

(CENTER/BASS)

2 3

BCS1BCS2

(BASS/CENTER)(Default)

1 2

BCS1BCS2

19

A7A133

DSW

ON1 2 3 4 5 6 7 8 9 10

126MHz126MHz

ON1 2 3 4 5 6 7 8 9 10

ON1 2 3 4 5 6 7 8 9 10

ON1 2 3 4 5 6 7 8 9 10

ON1 2 3 4 5 6 7 8 9 10

133MHz133MHz

100MHz100MHz

100MHz133MHz

120MHz120MHz

ON1 2 3 4 5 6 7 8 9 10

90MHz90MHz

CPUSDRAM

→→

ON1 2 3 4 5 6 7 8 9 10

101MHz101MHz

A7A133 CPUExternal Frequency Selection

20

A7A133

A7A133 CPU Ratio Setting

ON1

23

45

67

89

10

ON1

23

45

67

89

10

CPU RatioEnable

CPU RatioDisable

DSW

OFF ON

6 7 8 9

12.5x [OFF] [OFF] [ON] [ON]12.0x [ON] [OFF] [ON] [ON]11.5x [OFF] [ON] [ON] [ON]11.0x [ON] [ON] [ON] [ON]10.5x [OFF] [OFF] [OFF] [OFF]10.0x [ON] [OFF] [OFF] [OFF]9.5x [OFF] [ON] [OFF] [OFF]9.0x [ON] [ON] [OFF] [OFF]8.5x [OFF] [OFF] [ON] [OFF]8.0x [ON] [OFF] [ON] [OFF]7.5x [OFF] [ON] [ON] [OFF]7.0x [ON] [ON] [ON] [OFF]6.5x [OFF] [OFF] [OFF] [ON]6.0x [ON] [OFF] [OFF] [ON]5.5x [OFF] [ON] [OFF] [ON]5.0x [ON] [ON] [OFF] [ON]

21

A7A133

DSW ON1

23

45

67

89

10

ON1

23

45

67

89

10

ON1

23

45

67

89

10

ON1

23

45

67

89

10

5.0x 5.5x 6.0x 6.5x

ON1

23

45

67

89

10

ON1

23

45

67

89

10

7.0x 7.5x

ON1

23

45

67

89

10

ON1

23

45

67

89

108.0x 8.5x

ON1

23

45

67

89

10O

N12

34

56

78

910

ON1

23

45

67

89

10O

N12

34

56

78

910

ON1

23

45

67

89

10

ON1

23

45

67

89

10

ON1

23

45

67

89

10

9.0x 9.5x 10.0x 10.5xO

N12

34

56

78

910

ON1

23

45

67

89

10

ON1

23

45

67

89

10

ON1

23

45

67

89

10

11.0x 11.5x 12.0x >=12.5x

A7A133 CPU FrequencyMultiple Selection

22

••

•

••

•••

23

A7A133

A7A133 168-Pin DIMM Sockets Lock

20 Pins

60 Pins

88 Pins

168-Pin DIMM Notch Key Definitions (3.3V)

DRAM Key Position Voltage Key Position

UnbufferedRFUBuffered

Reserved3.3V

5.0V

24

25

A7V266-E

01 01 01

A7V266-E Socket A

AMD™ CPU CPU NOTCH

LOCK

CPU NOTCHTO INNERCORNER

LEVER

26

27

28

A7A133

A7A133 Audio Modem Riser (AMR) Slot ASUS MR-I Card

A7A133

A7A133 Accelerated Graphics Port (AGP PRO)

TOP VIEW

Rib (inside slot) Rib20-pin bay 28-pin bay

AGP Card without Retention Notch

29

PS/2 Keyboard (6-pin Female)

PS/2 Mouse (6-pin Female)

30

Parallel Port (25-pin Female)

COM2COM1Serial Ports (9-pin Male)

Universal Serial Bus (USB) 1

USB 0

31

Game/MIDI (15-pin Female)

MicLine InLine Out1/8" Stereo Audio Connectors

A7A133

NOTE: Orient the red markings onthe floppy ribbon cable to PIN 1

A7A133 Floppy Disk Drive Connector

PIN 1

32

Primary Secondary S l a v e

UltraDMA/100 UltraDMA/66Master UltraDMA/100

UltraDMA/66

- +

A7A133

A7A133 IDE Connectors

NOTE: Orient the red markings(usually zigzag) on the IDEribbon cable to PIN 1.

Prim

ary

IDE

Con

nect

or

Sec

onda

ry ID

E C

onne

ctor

PIN 1

33

A7A133

A7A133 IDE Activity LEDTIP: If the case-mounted LED does notlight, try reversing the 2-pin plug.

IDELED

A7A133

A7A133 Chassis Open Alarm Lead

CHASIS

+5Vo

lt(P

ower

Sup

ply

Stan

d By

)

Gro

und

Cha

ssis

Sig

nal

1

34

A7A133

A7A133 Wake-On-Ring Connector

WORRing# Ground

2 1

A7A133

A7A133 Wake-On-LAN Connector

IMPORTANT: Requires an ATX powersupply with at least 720mA +5 voltstandby power.

+5 Volt StandbyPME

Ground

WOL_CON

35

A7A133

A7A133 12-Volt Cooling Fan Power

PWR_FAN

CPU_FAN

CHA_FAN

GN

D

Rot

atio

n+1

2VG

ND

Rot

atio

n+1

2V

GND

Rotation+12V

36

A7A133

A7A133 SMBus Connector

SMB

1

SM

BC

LK

Gro

und

SM

BD

ATA

+3V

FLO

ATIN

G

A7A133

A7A133 Front Panel USB Headers

USB1USB2

US

B P

ower

US

BP

2–U

SB

P2+

GN

DN

C

US

B P

ower

US

BP

3–U

SB

P3+

GN

D

1 5

6 10

37

A7A133

A7A133 Front Panel Connectors

+5V

SB

NC

CH

AS

SIS

#

+5

V

PC

IRS

T#

GN

D

CIR

RX

EX

TS

MI#

MLE

D-

NC

BA

TT

NC

SM

BD

ATA

GN

D

+3V

SB

IRR

X

IRT

X

LOC

KK

EY

NC

NC

+5V

SM

BC

LK

AFPANEL

Standard Infrared (SIR)Front View Back View

+5VIRTX

IRRX(NC)GND

+5V

SB

NC

+5

VG

ND

CIR

RX

NC

GN

DIR

RX

IRT

X

CIRSIR

IR_CON

A7A133

A7A133 Audio Panel Connector

MICPWR

Line in_R

Line in_L

MIC2

Line out_LAGND

AGND2 AGND3Line out_R

AUDIO_PANEL

38

A7A133

A7A133 Internal Audio Connectors

MODEM

AUX (White)

CD1 (Black)Rig

ht A

udio

Cha

nnel

Left

Aud

io C

hann

el

Gro

und

Right Audio Channel

Left Audio Channel

Ground

Modem-In

GroundModem-Out

Ground

A7A133

A7A133 Internal Microphone Connector

MIC2

MIC

Pow

er

1 3

MIC

Inpu

tG

roun

d

39

A7A133

A7A133 ATX Power Connector

+3.3Volts-12.0VoltsGroundPower Supply OnGroundGroundGround-5.0 Volts+5.0 Volts+5.0 Volts

Power Good

+12.0Volts

+3.3 Volts+3.3 Volts

Ground+5.0 Volts

Ground+5.0 Volts

Ground

+5V Standby

A7A133

A7A133 Thermal Sensor Connector

JTPWR

Power SupplyThermal Sensor

40

A7A133

A7A133 System Panel Connectors

* Requires an ATX power supply.

IDE LED

PLE

D

Gro

und

MLE

D

PW

R_S

W

+5

V

IDE

LED

+

+5V SP

KR

Gro

und

+5

V

Ext

SM

I#

Res

etC

onG

roun

dG

roun

d

IDE

LED

-

Reset SW

Power LED

ATX Power Switch*

Message LED

SMI Lead

SpeakerConnector

Gro

und

41

42

®

43

44

45

46

47

48

MAIN

ADVANCED

POWER

BOOT

EXIT

<F1> or <Alt + H>

<Esc> or<Alt + X>

← or → (keypad arrow)

↑ or ↓ (keypad arrows)

- (minus key)

+ (plus key) or spacebar

<Enter>

<Home> or <PgUp>

<End> or <PgDn>

<F5>

<F10>

49

50

51

52

53

54

55

A7A133

A7A133 Clear RTC RAM

Short solder pointsto Clear CMOS

CLRTC

CR2032 3VLithium Cell

CMOS Power

56

™

57

CPU

[manual]CPU

[Auto] CPU

CPU

CPU Level 1 Cache, CPU Level 2 Cache [Enabled]

58

59

60

61

62

63

64

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66

67

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69

70

®

71

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74

®

75

76

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•

•

•

•

•

•

•

•

77

78

79

80

81

82

83

84

85

86

87

MicLine InLine Out

88

89

®

90

®

91

AGP

AUTOEXEC.BAT

BIOS

Bit

Boot

Bus Master IDE

Byte

92

Cache

CMOS

CPU

Cylinder

Device Driver

DIMM

DMA

DOS

93

DRAM

IDE

MIDI

MPEG

NTSC

PAL

94

PCI Bus

PCMCIA

Peripherals

POST

SCSI

UltraDMA/33

USB