APOLLO Motherboard Settings and Configuration

AMERICAN MEGATRENDS, INC.

APOLLO

Processor
Pentium
Processor Speed
75/90/100/120/133MHz
Chip Set
Intel
Video Chip Set
None
Maximum Onboard Memory
128MB (EDO supported)
Maximum Video Memory
None
Cache
256/512KB
BIOS
AMI
Dimensions
259mm x 216mm
I/O Options
32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2)
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
PS/2 mouse interface
CN1
External battery
J6
Serial port 2
CN2
Chassis fan power
J11
Serial port 1
CN3
Reset switch
J12
Parallel port
CN4
Speaker
J13
Floppy drive interface
CN5
Power LED & keylock
J14
IDE interface 1
CN6
IDE interface LED
JP1
IDE interface 2
CN7
32-bit PCI slots
PC1 - PC4

USER CONFIGURABLE SETTINGS
Function
Label
Position
»
Cache type select write back
J1
Open

Cache type select write through
J1
Pins 1 & 2 closed
»
Monitor type select monochrome/EGA/VGA
J2
Open

Monitor type select CGA
J2
Closed
»
Pipeline mode enabled
J3
Closed

Pipeline mode disabled
J3
Open
»
Flash BIOS voltage select 5v
J4
Pins 2 & 3 closed

Flash BIOS voltage select 12v
J4
Pins 1 & 2 closed

CPU bus speed select PCLK/3
J5
Pins 1 & 2 closed

CPU bus speed select PCLK/4
J5
Pins 2 & 3 closed

PCI/CPU bus speed ratio select 1/2
J8
Closed

PCI/CPU bus speed ratio select 3/2
J8
Open
»
CMOS memory normal operation
JCP
Open

CMOS memory clear
JCP
Closed

DRAM CONFIGURATION
Size
Bank 0
Bank 1
8MB
(2) 1M x 36
None
10MB
(2) 1M x 36
(2) 256K x 36
16MB
(2) 2M x 36
None
18MB
(2) 2M x 36
(2) 256K x 36
24MB
(2) 2M x 36
(2) 1M x 36
32MB
(2) 2M x 36
(2) 2M x 36
34MB
(2) 4M x 36
(2) 256K x 36
40MB
(2) 4M x 36
(2) 1M x 36
48MB
(2) 4M x 36
(2) 2M x 36
64MB
(2) 4M x 36
(2) 4M x 36
64MB
(2) 8M x 36
None
66MB
(2) 8M x 36
(2) 256K 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
Note: Board accepts EDO memory. The location of the Banks 0 & 1 are unidentified. Board also accepts x 32 SIMMs.

CACHE CONFIGURATION
Size
Bank 0
TAG
256KB (A) mixed voltage
(8) 32K x 8
(1) 8K x 8
256KB (B) 3.3v
(8) 32K x 8
(1) 8K x 8
512KB mixed voltage
(8) 64K x 8
(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size
J9
J10
JC1
JPW1
JPW2
JPW3
JPW4
256KB (A)
1 & 2
2 & 3
1 & 2
1 & 2
1 & 2
1 & 2
1 & 2
256KB (B)
1 & 2
2 & 3
1 & 2
2 & 3
2 & 3
2 & 3
2 & 3
512KB
2 & 3
1 & 2
2 & 3
2 & 3
2 & 3
2 & 3
2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION
Speed
JK1
JK2
JK3
75MHz
Pins 2 & 3 closed
Pins 1 & 2 closed
Pins 2 & 3 closed
90MHz
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
100MHz
Pins 2 & 3 closed
Pins 2 & 3 closed
Pins 1 & 2 closed
120MHz
Pins 1 & 2 closed
Pins 1 & 2 closed
Pins 1 & 2 closed
133MHz
Pins 2 & 3 closed
Pins 2 & 3 closed
Pins 1 & 2 closed

CPU VOLTAGE SELECTION
Voltage
JVR
3.3v
Pins 1 & 2 closed
3.45v
Pins 3 & 4 closed
3.6v
Pins 5 & 6 closed

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APOLLO Motherboard Settings and Configuration

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Processor	Pentium
Processor Speed	75/90/100/120/133MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	128MB (EDO supported)
Maximum Video Memory	None
Cache	256/512KB
BIOS	AMI
Dimensions	259mm x 216mm
I/O Options	32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2)
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
PS/2 mouse interface	CN1	External battery	J6
Serial port 2	CN2	Chassis fan power	J11
Serial port 1	CN3	Reset switch	J12
Parallel port	CN4	Speaker	J13
Floppy drive interface	CN5	Power LED & keylock	J14
IDE interface 1	CN6	IDE interface LED	JP1
IDE interface 2	CN7	32-bit PCI slots	PC1 - PC4

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Cache type select write back	J1	Open
	Cache type select write through	J1	Pins 1 & 2 closed
»	Monitor type select monochrome/EGA/VGA	J2	Open
	Monitor type select CGA	J2	Closed
»	Pipeline mode enabled	J3	Closed
	Pipeline mode disabled	J3	Open
»	Flash BIOS voltage select 5v	J4	Pins 2 & 3 closed
	Flash BIOS voltage select 12v	J4	Pins 1 & 2 closed
	CPU bus speed select PCLK/3	J5	Pins 1 & 2 closed
	CPU bus speed select PCLK/4	J5	Pins 2 & 3 closed
	PCI/CPU bus speed ratio select 1/2	J8	Closed
	PCI/CPU bus speed ratio select 3/2	J8	Open
»	CMOS memory normal operation	JCP	Open
	CMOS memory clear	JCP	Closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
8MB	(2) 1M x 36	None
10MB	(2) 1M x 36	(2) 256K x 36
16MB	(2) 2M x 36	None
18MB	(2) 2M x 36	(2) 256K x 36
24MB	(2) 2M x 36	(2) 1M x 36
32MB	(2) 2M x 36	(2) 2M x 36
34MB	(2) 4M x 36	(2) 256K x 36
40MB	(2) 4M x 36	(2) 1M x 36
48MB	(2) 4M x 36	(2) 2M x 36
64MB	(2) 4M x 36	(2) 4M x 36
64MB	(2) 8M x 36	None
66MB	(2) 8M x 36	(2) 256K 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
Note: Board accepts EDO memory. The location of the Banks 0 & 1 are unidentified. Board also accepts x 32 SIMMs.

CACHE CONFIGURATION
Size	Bank 0	TAG
256KB (A) mixed voltage	(8) 32K x 8	(1) 8K x 8
256KB (B) 3.3v	(8) 32K x 8	(1) 8K x 8
512KB mixed voltage	(8) 64K x 8	(1) 32K x 8

CACHE JUMPER CONFIGURATION
Size	J9	J10	JC1	JPW1	JPW2	JPW3	JPW4
256KB (A)	1 & 2	2 & 3	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
256KB (B)	1 & 2	2 & 3	1 & 2	2 & 3	2 & 3	2 & 3	2 & 3
512KB	2 & 3	1 & 2	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION
Speed	JK1	JK2	JK3
75MHz	Pins 2 & 3 closed	Pins 1 & 2 closed	Pins 2 & 3 closed
90MHz	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
100MHz	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 1 & 2 closed
120MHz	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed
133MHz	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 1 & 2 closed

CPU VOLTAGE SELECTION
Voltage	JVR
3.3v	Pins 1 & 2 closed
3.45v	Pins 3 & 4 closed
3.6v	Pins 5 & 6 closed