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APOLLO IV

AMERICAN MEGATRENDS, INC.

APOLLO IV

Device Type

Mainboard

Processor

AM K5/AM K6/Pentium

Processor Speed

90/100/120/133/150/166/200/233MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

256MB (EDO supported)

Maximum Video Memory

None

Cache

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

Power LED & keylock

C1

Serial port 1

CN4

Turbo LED

C2

IDE interface 2

CN5

Green PC connector

C3

IDE interface 1

CN6

Green PC LED

C4

CPU fan power

CPU

Speaker

C5

Chassis fan power

FAN

IDE interface LED

C6

IR connector

IR1

Remote power switch

C7

32-bit PCI slots

PC1 PC4

Reset switch

C8

PS/2 mouse interface

PS2

Parallel port

CN1

Soft off power supply

RPW

Floppy drive interface

CN2

USB connector 1

USB1

Serial port 2

CN3

USB connector 2

USB2

USER CONFIGURABLE SETTINGS

Function

Label

Position

CMOS memory normal operation

CPW

Open

 

CMOS memory clear

CPW

Closed

Power supply type select AT

PWR1

Pins 1 & 2 closed

 

Power supply type select remote power

PWR1

Pins 2 & 3 closed

SIMM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 4M x 36

None

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.

DIMM CONFIGURATION

Size

Bank 2

Bank 3

8MB

(1) 1M x 64

None

16MB

(1) 2M x 64

None

16MB

(1) 1M x 64

(1) 1M x 64

24MB

(1) 2M x 64

(1) 1M x 64

32MB

(1) 4M x 64

None

32MB

(1) 2M x 64

(1) 2M x 64

40MB

(1) 4M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 2M x 64

64MB

(1) 8M x 64

None

64MB

(1) 4M x 64

(1) 4M x 64

72MB

(1) 8M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

128MB

(1) 16M x 64

None

128MB

(1) 8M x 64

(1) 8M x 64

136MB

(1) 16M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 2M x 64

160MB

(1) 16M x 64

(1) 4M x 64

192MB

(1) 16M x 64

(1) 8M x 64

256MB

(1) 16M x 64

(1) 16M x 64

CACHE CONFIGURATION

Size

Bank 0

512KB

(2) 64K x 32

Note: The size of the TAG is unidentified.

CPU SPEED SELECTION (AM K5, IMI 652)

CPU speed

Clock speed

Multiplier

CLK1

CLK2

CLK3

FREQ1

FREQ2

FREQ3

90MHz

60MHz

1.5x

2 & 3

1 & 2

2 & 3

1 & 2

1 & 2

1 & 2

100MHz

66MHz

1.5x

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

1 & 2

120MHz

60MHz

1.5x

2 & 3

1 & 2

2 & 3

1 & 2

1 & 2

1 & 2

133MHz

66MHz

1.5x

2 & 3

1 & 2

2 & 3

1 & 2

1 & 2

1 & 2

150MHz

60MHz

1.75x

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

1 & 2

166MHz

66MHz

1.75x

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

1 & 2

200MHz

66MHz

2x

1 & 2

1 & 2

2 & 3

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K5, OCS 9147)

CPU speed

Clock speed

Multiplier

CLK1

CLK2

CLK3

FREQ1

FREQ2

FREQ3

90MHz

60MHz

1.5x

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

100MHz

66MHz

1.5x

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

120MHz

60MHz

1.5x

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

133MHz

66MHz

1.5x

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

150MHz

60MHz

1.75x

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

166MHz

66MHz

1.75x

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

200MHz

66MHz

2x

1 & 2

2 & 3

2 & 3

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6, IMI 652)

CPU speed

Clock speed

Multiplier

CLK1

CLK2

CLK3

FREQ1

FREQ2

FREQ3

166MHz

66MHz

2.5x

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

1 & 2

200MHz

66MHz

3x

1 & 2

1 & 2

2 & 3

1 & 2

2 & 3

1 & 2

233MHz

66MHz

3.5x

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6, OCS 9147)

CPU speed

Clock speed

Multiplier

CLK1

CLK2

CLK3

FREQ1

FREQ2

FREQ3

166MHz

66MHz

2.5x

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

200MHz

66MHz

3x

1 & 2

2 & 3

2 & 3

1 & 2

2 & 3

1 & 2

233MHz

66MHz

3.5x

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL, IMI 652)

CPU speed

Clock speed

Multiplier

CLK1

CLK2

CLK3

FREQ1

FREQ2

FREQ3

90MHz

60MHz

1.5x

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

1 & 2

100MHz

66MHz

1.5x

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

1 & 2

120MHz

60MHz

2x

2 & 3

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

133MHz

66MHz

2x

1 & 2

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

150MHz

60MHz

2.5x

2 & 3

1 & 2

2 & 3

2 & 3

2 & 3

1 & 2

166MHz

66MHz

2.5x

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

1 & 2

200MHz

66MHz

3x

1 & 2

1 & 2

2 & 3

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL, OCS 9147)

CPU speed

Clock speed

Multiplier

CLK1

CLK2

CLK3

FREQ1

FREQ2

FREQ3

90MHz

60MHz

1.5x

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

100MHz

66MHz

1.5x

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

120MHz

60MHz

2x

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

133MHz

66MHz

2x

1 & 2

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

150MHz

60MHz

2.5x

2 & 3

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

166MHz

66MHz

2.5x

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

200MHz

66MHz

3x

1 & 2

2 & 3

2 & 3

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL MMX, IMI 652)

CPU speed

Clock speed

Multiplier

CLK1

CLK2

CLK3

FREQ1

FREQ2

FREQ3

166MHz

66MHz

2.5x

1 & 2

1 & 2

2 & 3

2 & 3

2 & 3

1 & 2

200MHz

66MHz

3x

1 & 2

1 & 2

2 & 3

1 & 2

2 & 3

1 & 2

233MHz

66MHz

3.5x

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL MMX, OCS 9147)

CPU speed

Clock speed

Multiplier

CLK1

CLK2

CLK3

FREQ1

FREQ2

FREQ3

166MHz

66MHz

2.5x

1 & 2

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

200MHz

66MHz

3x

1 & 2

2 & 3

2 & 3

1 & 2

2 & 3

1 & 2

233MHz

66MHz

3.5x

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION (SINGLE)

Voltage

VR1

3.3v

Pins 3 & 4 closed

3.5v

Pins 1 & 2 closed

CPU VOLTAGE SELECTION (DUAL)

Voltage

V core

VR1

3.3v

2.8v

Pins 9 & 10 closed

3.3v

2.9v

Pins 7 & 8 closed

3.3v

3.2v

Pins 5 & 6 closed

FLASH BIOS SELECTION

Type

EP1

EP2

AMD 28F020

Pins 1 & 2 closed

Pins 2 & 3 closed

ATMEL AT29C020

Open

Pins 2 & 3 closed

Intel 28F001

Pins 2 & 3 closed

Pins 1 & 2 closed

MXIC MX28F200

Pins 2 & 3 closed

Pins 2 & 3 closed

SST 29EE010

Open

Pins 2 & 3 closed

SST 29EE020

Open

Pins 2 & 3 closed