QDI-437FX-250 Motherboard Settings and Configuration

QDI COMPUTER, INC.

QDI-437FX-250

Processor
CX M1/Pentium
Processor Speed
75/90/100/120/133/150/166/180/200MHz
Chip Set
Intel
Video Chip Set
None
Maximum Onboard Memory
128MB
Maximum Video Memory
None
Cache
256KB
BIOS
Award
Dimensions
250mm x 220mm
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
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
Serial port 2
CN1
Turbo LED
J3
Serial port 1
CN2
Reset switch
J4
Parallel port
CN3
IDE interface LED
J5
Floppy drive interface
CN4
IR connector
J6
IDE interface 2
CN5
PS/2 mouse interface
J7
IDE interface 1
CN6
Green PC connector
J8
Power LED & keylock
J1
32-bit PCI slots
PC1 - PC4
Speaker
J2

USER CONFIGURABLE SETTINGS
Function
Label
Position
»
CMOS memory normal operation
JP1
Pins 1 & 2 closed

CMOS memory clear
JP1
Pins 2 & 3 closed

DRAM 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) 16M x 36
None
128MB
(2) 8M x 36
(2) 8M x 36

CACHE CONFIGURATION
Note: 256KB cache is factory installed and is not configurable. The location is unidentified.

CPU SPEED SELECTION (CYRIX)
CPU speed
Clock speed
Multiplier
JC1
JC2
JC3
JS1
JS2
100MHz
50MHz
2x
Closed
Closed
1 & 2
2 & 3
1 & 2
120MHz
60MHz
2x
Closed
Open
2 & 3
2 & 3
1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)
CPU speed
Clock speed
Multiplier
JC1
JC2
JC3
JS1
JS2
75MHz
50MHz
1.5x
Closed
Closed
1 & 2
2 & 3
2 & 3
90MHz
60MHz
1.5x
Closed
Open
2 & 3
2 & 3
2 & 3
100MHz
66MHz
1.5x
Open
Closed
2 & 3
2 & 3
2 & 3
120MHz
60MHz
2x
Closed
Open
2 & 3
2 & 3
1 & 2
133MHz
66MHz
2x
Open
Closed
2 & 3
2 & 3
1 & 2
150MHz
60MHz
2.5x
Closed
Open
2 & 3
1 & 2
1 & 2
166MHz
66MHz
2.5x
Open
Closed
2 & 3
1 & 2
1 & 2
180MHz
60MHz
3x
Closed
Open
2 & 3
1 & 2
2 & 3
200MHz
66MHz
3x
Open
Closed
2 & 3
1 & 2
2 & 3
Note: Pins designated should be in the closed position. JC3 sets AT bus clock. Pins 1 & 2 are for PCICLK/3 & pins 2 & 3 are for PCICLK/4.

CPU TYPE SELECTION
Type
JV1
JV2
P54C/P54CTB
Closed
Closed
P55C
Open
Open

DMA CHANNEL SELECTION
Channel
JP7
JP8
0
Pins 1 & 2 closed
Pins 1 & 2 closed
1
Pins 3 & 4 closed
Pins 3 & 4 closed
3
Pins 5 & 6 closed
Pins 5 & 6 closed

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QDI-437FX-250 Motherboard Settings and Configuration

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Processor	CX M1/Pentium
Processor Speed	75/90/100/120/133/150/166/180/200MHz
Chip Set	Intel
Video Chip Set	None
Maximum Onboard Memory	128MB
Maximum Video Memory	None
Cache	256KB
BIOS	Award
Dimensions	250mm x 220mm
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
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 2	CN1	Turbo LED	J3
Serial port 1	CN2	Reset switch	J4
Parallel port	CN3	IDE interface LED	J5
Floppy drive interface	CN4	IR connector	J6
IDE interface 2	CN5	PS/2 mouse interface	J7
IDE interface 1	CN6	Green PC connector	J8
Power LED & keylock	J1	32-bit PCI slots	PC1 - PC4
Speaker	J2

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	CMOS memory normal operation	JP1	Pins 1 & 2 closed
	CMOS memory clear	JP1	Pins 2 & 3 closed

DRAM 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) 16M x 36	None
128MB	(2) 8M x 36	(2) 8M x 36

CPU SPEED SELECTION (CYRIX)
CPU speed	Clock speed	Multiplier	JC1	JC2	JC3	JS1	JS2
100MHz	50MHz	2x	Closed	Closed	1 & 2	2 & 3	1 & 2
120MHz	60MHz	2x	Closed	Open	2 & 3	2 & 3	1 & 2
Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)
CPU speed	Clock speed	Multiplier	JC1	JC2	JC3	JS1	JS2
75MHz	50MHz	1.5x	Closed	Closed	1 & 2	2 & 3	2 & 3
90MHz	60MHz	1.5x	Closed	Open	2 & 3	2 & 3	2 & 3
100MHz	66MHz	1.5x	Open	Closed	2 & 3	2 & 3	2 & 3
120MHz	60MHz	2x	Closed	Open	2 & 3	2 & 3	1 & 2
133MHz	66MHz	2x	Open	Closed	2 & 3	2 & 3	1 & 2
150MHz	60MHz	2.5x	Closed	Open	2 & 3	1 & 2	1 & 2
166MHz	66MHz	2.5x	Open	Closed	2 & 3	1 & 2	1 & 2
180MHz	60MHz	3x	Closed	Open	2 & 3	1 & 2	2 & 3
200MHz	66MHz	3x	Open	Closed	2 & 3	1 & 2	2 & 3
Note: Pins designated should be in the closed position. JC3 sets AT bus clock. Pins 1 & 2 are for PCICLK/3 & pins 2 & 3 are for PCICLK/4.

CPU TYPE SELECTION
Type	JV1	JV2
P54C/P54CTB	Closed	Closed
P55C	Open	Open

DMA CHANNEL SELECTION
Channel	JP7	JP8
0	Pins 1 & 2 closed	Pins 1 & 2 closed
1	Pins 3 & 4 closed	Pins 3 & 4 closed
3	Pins 5 & 6 closed	Pins 5 & 6 closed