+001-006 A7A133

®
A7A133
266MHz FSB AGP Pro/4X
Socket A
© 2001
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4 56
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14 13 121110 9 8 7
13
24.5cm (9.64in)
PS/2
CPU_FAN
USB1
USB2
Socket 462
COM1
LED1
JTPWR
COM2
0 1
MIC2
2 3
30.5cm (12.0in)
PWR_FAN
4 5
AUDIO_PANEL
CD1
AUX
CLRTC
BCS1
BCS2
A7A133
MODEM
JEN
VID
DSW
WOR
WOL_CON
IR
CHASSIS
USB2
USB1
CHA_FAN IDELED
14
AFPANEL
SMB
PANEL
15
LED1
ON
Standby
Power
A7A133
A7A133 Onboard LED
16
OFF
Powered
Off
1 2 3 4 5 6 7 8 9 10
A7A133
ON
DSW
1. Frequency Multiple
2. Frequency Multiple
3. Frequency Multiple
4. Frequency Multiple
5. Not used
6. Frequency Selection
7. Frequency Selection
8. Frequency Selection
9. Frequency Selection
10. CPU Ratio Selection
OFF ON
A7A133 DIP Switch
™
™
JEN
2 3
1 2
Jumper Mode
Jumper Free
(Default)
1 2 3 4 5 6 7 8 9 10
A7A133
ON
DSW
A7A133 Jumper Mode Setting
OFF ON
17
A7A133
Enable
(Default)
VID
Disable
2 3
1 2
A7A133 VID Selection
BCS1
BCS2
A7A133
BCS1
BCS2
1 2
(BASS/CENTER)
(Default)
A7A133 Bass Center Setting
18
2 3
(CENTER/BASS)
DSW
ON
CPU→ 90MHz
SDRAM→ 90MHz
1 2 3 4 5 6 7 8 9 10
ON
120MHz
120MHz
ON
100MHz
100MHz
1 2 3 4 5 6 7 8 9 10
ON
133MHz
133MHz
ON
A7A133
101MHz
101MHz
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
ON
126MHz
126MHz
1 2 3 4 5 6 7 8 9 10
ON
100MHz
133MHz
1 2 3 4 5 6 7 8 9 10
A7A133 CPU
External Frequency Selection
19
DSW
12.5x
12.0x
11.5x
11.0x
10.5x
10.0x
9.5x
9.0x
8.5x
8.0x
7.5x
7.0x
6.5x
6.0x
5.5x
5.0x
20
[OFF]
[ON]
[OFF]
[ON]
[OFF]
[ON]
[OFF]
[ON]
[OFF]
[ON]
[OFF]
[ON]
[OFF]
[ON]
[OFF]
[ON]
1 2 3 4 5 6 7 8 9 10
6
OFF
CPU Ratio
Enable
7
[OFF]
[OFF]
[ON]
[ON]
[OFF]
[OFF]
[ON]
[ON]
[OFF]
[OFF]
[ON]
[ON]
[OFF]
[OFF]
[ON]
[ON]
ON
1 2 3 4 5 6 7 8 9 10
A7A133 CPU Ratio Setting
ON
A7A133
ON
CPU Ratio
Disable
8
9
[ON]
[ON]
[ON]
[ON]
[OFF]
[OFF]
[OFF]
[OFF]
[ON]
[ON]
[ON]
[ON]
[OFF]
[OFF]
[OFF]
[OFF]
[ON]
[ON]
[ON]
[ON]
[OFF]
[OFF]
[OFF]
[OFF]
[OFF]
[OFF]
[OFF]
[OFF]
[ON]
[ON]
[ON]
[ON]
1 2 3 4 5 6 7 8 9 10
ON
1 2 3 4 5 6 7 8 9 10
ON
1 2 3 4 5 6 7 8 9 10
ON
1 2 3 4 5 6 7 8 9 10
ON
1 2 3 4 5 6 7 8 9 10
ON
1 2 3 4 5 6 7 8 9 10
ON
1 2 3 4 5 6 7 8 9 10
ON
1 2 3 4 5 6 7 8 9 10
ON
1 2 3 4 5 6 7 8 9 10
ON
1 2 3 4 5 6 7 8 9 10
ON
1 2 3 4 5 6 7 8 9 10
ON
1 2 3 4 5 6 7 8 9 10
ON
1 2 3 4 5 6 7 8 9 10
ON
>=12.5x
12.0x
11.5x
11.0x
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
ON
A7A133 CPU Frequency
Multiple Selection
10.5x
10.0x
9.5x
9.0x
8.5x
8.0x
7.5x
7.0x
6.5x
6.0x
5.5x
5.0x
ON
1 2 3 4 5 6 7 8 9 10
A7A133
ON
DSW
21
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22
88 Pins
A7A133
60 Pins
20 Pins
A7A133 168-Pin DIMM Sockets
Lock
168-Pin DIMM Notch Key Definitions (3.3V)
DRAM Key Position
Unbuffered
RFU
Buffered
Voltage Key Position
Reserved
5.0V
3.3V
23
24
0 1
0 1
0 1
CPU NOTCH
TO INNER
CORNER
LOCK
LEVER
A7V266-E
AMD™ CPU
CPU NOTCH
A7V266-E Socket A
25
26
27
AGP Card without Retention Notch
A7A133
TOP VIEW
20-pin bay
Rib (inside slot)
28-pin bay
Rib
A7A133 Accelerated Graphics Port (AGP PRO)
A7A133
A7A133 Audio Modem Riser (AMR) Slot
28
ASUS MR-I Card
PS/2 Mouse (6-pin Female)
PS/2 Keyboard (6-pin Female)
29
USB 0
Universal Serial Bus (USB) 1
COM1
COM2
Serial Ports (9-pin Male)
Parallel Port (25-pin Female)
30
Game/MIDI (15-pin Female)
Line Out Line In Mic
1/8" Stereo Audio Connectors
NOTE: Orient the red markings on
the floppy ribbon cable to PIN 1
A7A133
PIN 1
A7A133 Floppy Disk Drive Connector
31
Primary
Secondary
Slave
UltraDMA/100
UltraDMA/66
Master
UltraDMA/100
Primary IDE Connector
Secondary IDE Connector
UltraDMA/66
- +
A7A133
PIN 1
A7A133 IDE Connectors
32
NOTE: Orient the red markings
(usually zigzag) on the IDE
ribbon cable to PIN 1.
A7A133
IDELED
TIP: If the case-mounted LED does not
light, try reversing the 2-pin plug.
A7A133
+5Volt
(Power Supply Stand By)
Chassis Signal
Ground
A7A133 IDE Activity LED
1
CHASIS
A7A133 Chassis Open Alarm Lead
33
IMPORTANT: Requires an ATX power
supply with at least 720mA +5 volt
standby power.
WOL_CON
A7A133
Ground
PME +5 Volt Standby
A7A133 Wake-On-LAN Connector
WOR
A7A133
Ring#
2
A7A133 Wake-On-Ring Connector
34
Ground
1
GND
+12V
Rotation
CPU_FAN
PWR_FAN
GND
+12V
Rotation
CHA_FAN
GND
+12V
Rotation
A7A133
A7A133 12-Volt Cooling Fan Power
35
USB Power
USBP2–
USBP2+
GND
NC
USB1
USB2
1
5
6
10
USB Power
USBP3–
USBP3+
GND
A7A133
A7A133 Front Panel USB Headers
SMB
A7A133
36
Ground
SMBDATA
+3V
A7A133 SMBus Connector
FLOATING
SMBCLK
1
NC
IRRX
GND
IRTX
SMBDATA
+3VSB
SMBCLK
LOCKKEY
NC
IRRX
GND
IRTX
+5 V
NC
GND
NC
CIRRX
+5VSB
CHASSIS#
EXTSMI#
+5V
MLEDPCIRST#
BATT
NC
+5 V
AFPANEL
SIR
CIR
NC
GND
NC
CIRRX
+5VSB
Standard Infrared (SIR)
Front View
Back View
A7A133
IR_CON
+5V
(NC)
IRTX
GND
A7A133 Front Panel Connectors
IRRX
AUDIO_PANEL
A7A133
MIC2
AGND
Line in_L
AGND2
Line in_R
MICPWR
Line out_L
AGND3
Line out_R
A7A133 Audio Panel Connector
37
Ground
Right Audio Channel
Left Audio Channel
AUX (White)
CD1 (Black)
Left Audio Channel
Ground
A7A133
Right Audio Channel
MODEM
Modem-Out
Ground
Ground
Modem-In
A7A133 Internal Audio Connectors
MIC2
A7A133
3
MIC Power
MIC Input
Ground
1
A7A133 Internal Microphone Connector
38
A7A133
+12.0Volts
+5V Standby
Power Good
Ground
+5.0 Volts
Ground
+5.0 Volts
Ground
+3.3 Volts
+3.3 Volts
+5.0 Volts
+5.0 Volts
-5.0 Volts
Ground
Ground
Ground
Power Supply On
Ground
-12.0Volts
+3.3Volts
A7A133 ATX Power Connector
JTPWR
Power Supply
Thermal Sensor
A7A133
A7A133 Thermal Sensor Connector
39
* Requires an ATX power supply.
Speaker
Connector
IDE LED
SMI Lead
A7A133 System Panel Connectors
40
+5V
Ground
Ground
SPKR
PLED
IDELED+
IDELED-
Message LED
ResetCon
Ground
A7A133
+5 V
MLED
ExtSMI#
Ground
PWR_SW
Ground
+5 V
Power LED
Reset SW
ATX Power Switch*
41
®
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45
46
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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>
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54
CR2032 3V
Lithium Cell
CMOS Power
A7A133
CLRTC
Short solder points
to Clear CMOS
A7A133 Clear RTC RAM
55
™
56
CPU
[manual]
CPU
[Auto]
CPU
CPU
CPU Level 1 Cache, CPU Level 2 Cache [Enabled]
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86
Line Out Line In Mic
87
88
®
89
®
90
AGP
AUTOEXEC.BAT
BIOS
Bit
Boot
Bus Master IDE
Byte
91
Cache
CMOS
CPU
Cylinder
Device Driver
DIMM
DMA
DOS
92
DRAM
IDE
MIDI
MPEG
NTSC
PAL
93
PCI Bus
PCMCIA
Peripherals
POST
SCSI
UltraDMA/33
USB
94