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APOLLO III

AMERICAN MEGATRENDS, INC.

APOLLO III

Processor

Pentium

Processor Speed

75/90/100/120/133/150/166/180/200MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

256MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

AMI

Dimensions

254mm x 218mm

I/O Options

32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connectors (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 2

CN1

Green PC connector

J1/pins 8 & 9

Serial port 1

CN2

Green PC LED

J1/pins 10 & 11

Floppy drive interface

CN3

Speaker

J1/pins 12 - 15

Parallel port

CN4

IDE interface LED

J1/pins 16 & 17

IDE interface 2

CN5

Remote power

J1/pins 18 & 19

IDE interface 1

CN6

Reset switch

J1/pins 20 & 21

PS/2 mouse interface

CN7

32-bit PCI slots

PC1 PC4

Chassis fan power

FAN

Soft off power supply

RPW

IR connector

IR1

USB connector 1

USB1

Power LED & keylock

J1/pins 1 - 5

USB connector 2

USB2

Turbo LED

J1/pins 6 & 7

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

CMOS memory normal operation

CPS

Open

 

CMOS memory clear

CPS

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

16MB

(2) 2M x 36

None

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 2M x 36

(2) 2M x 36

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 8M x 36

(2) 2M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

128MB

(2) 16M x 36

None

136MB

(2) 16M x 36

(2) 1M x 36

144MB

(2) 16M x 36

(2) 2M x 36

160MB

(2) 16M x 36

(2) 4M x 36

192MB

(2) 16M x 36

(2) 8M x 36

256MB

(2) 16M x 36

(2) 16M x 36

Note: Board accepts EDO memory.

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG 0

TAG 1

256KB

(2) 32K x 32

None

(1) 8K x 8

None

512KB

(2) 32K x 32

(2) 32K x 32

(1) 16K x 8

(1) 16K x 8

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

CLK1

CLK2

FREQ1

FREQ2

75MHz

50MHz

1.5x

2 & 3

2 & 3

1 & 2

1 & 2

90MHz

60MHz

1.5x

2 & 3

1 & 2

1 & 2

1 & 2

100MHz

66MHz

1.5x

1 & 2

2 & 3

1 & 2

1 & 2

120MHz

60MHz

2x

2 & 3

1 & 2

2 & 3

1 & 2

133MHz

66MHz

2x

1 & 2

2 & 3

2 & 3

1 & 2

150MHz

60MHz

2.5x

2 & 3

1 & 2

2 & 3

2 & 3

166MHz

66MHz

2.5x

1 & 2

2 & 3

2 & 3

2 & 3

180MHz

60MHz

3x

2 & 3

1 & 2

1 & 2

2 & 3

200MHz

66MHz

3x

1 & 2

2 & 3

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (SINGLE)

Voltage

VR1

VR2

 

3.3v

Pins 3 & 4 closed

Pins 1 & 2, 3 & 4 closed

3.49v

Pins 1 & 2 closed

Pins 1 & 2, 3 & 4 closed

CPU VOLTAGE SELECTION (DUAL)

Voltage

VR1

VR2

2.8v

Pins 5 & 6 closed

Pins 5 & 6, 7 & 8 closed

3.3v

Pins 5 & 6 closed

Pins 5 & 6, 7 & 8 closed

FLASH BIOS SELECTION

Type

EP1

EP2

EP3

 

AMD 28F020

Open

Pins 1 & 2 closed

Pins 2 & 3 closed

 

Intel 28F001BX-T

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

 

Intel 28F010

Pins 1 & 2 closed

Pins 2 & 3 closed

Open

SST 29EE010

Pins 2 & 3 closed

Pins 2 & 3 closed

Open

 

SST 29EE020

Open

Pins 2 & 3 closed

Pins 2 & 3 closed