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QDI-437FX-250

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