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

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 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