A-TREND TECHNOLOGY CORPORATION

ATC-1040

Processor

CX M1/AM K5/Pentium

Processor Speed

75/90/100/120/133/150/166/180/200MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

128MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

305mm x 201mm

I/O Options

32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connector, ATX power connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power supply

ATX

Reset switch

J1 pins 1 & 2

Serial port 2

CN1

Green PC connector

J1 pins 4 & 5

Parallel port

CN2

Turbo LED

J1 pins 7 & 8

PS/2 mouse port

CN3

IDE interface LED

J1 pins 10 & 11

Serial port 1

CN4

Speaker

J1 pins 12 - 15

Floppy drive interface

CN5

Power LED & keylock

J1 pins 17 - 21

IDE interface 2

CN6

Soft off power supply

JP1

IDE interface 1

CN7

32-bit PCI slots

PC1 – PC4

Chassis fan power

FAN

USB connector

USB

IR connector

IR

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

JP5

Unidentified

»

Flash BIOS write protect disabled

JP9

Pins 2 & 3 closed

 

Flash BIOS write protect enabled

JP9

Pins 1 & 2 closed

»

CMOS memory normal operation

JP16

Open

 

CMOS memory clear

JP16

Closed

DIMM CONFIGURATION

Size

Bank 2

Bank 3

8MB

(1) 1M x 64

None

16MB

(1) 1M x 64

(1) 1M x 64

16MB

(1) 2M x 64

None

32MB

(1) 2M x 64

(1) 2M x 64

32MB

(1) 4M x 64

None

64MB

(1) 4M x 64

(1) 4M x 64

64MB

(1) 8M x 64

None

Note: Do not install DIMM and SIMM at the same time.

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

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

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

Note: Board accepts EDO memory.

CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(2) 32K x 32

Unidentified

512KB

(2) 64K x 32

Unidentified

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

Multiplier

JP3

JP4

JP6

JP7

JP8

120MHz

50MHz

2x

1 & 2

2 & 3

1 & 2

1 & 2

1 & 2

150MHz

60MHz

2x

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

166MHz

66MHz

2x

1 & 2

2 & 3

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AMD)

CPU speed

Clock speed

Multiplier

JP3

JP4

JP6

JP7

JP8

75MHz

50MHz

1.5x

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

90MHz

60MHz

1.5x

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

100MHz

66MHz

1.5x

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

120MHz

60MHz

1.5x

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

133MHz

66MHz

1.5x

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

166MHz

66MHz

2.5x

2 & 3

2 & 3

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP3

JP4

JP6

JP7

JP8

75MHz

50MHz

1.5x

1 & 2

1 & 2

1 & 2

1 & 2

1 & 2

90MHz

60MHz

1.5x

1 & 2

1 & 2

2 & 3

1 & 2

1 & 2

100MHz

66MHz

1.5x

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

120MHz

60MHz

2x

1 & 2

2 & 3

2 & 3

1 & 2

1 & 2

133MHz

66MHz

2x

1 & 2

2 & 3

1 & 2

2 & 3

1 & 2

150MHz

60MHz

2.5x

2 & 3

2 & 3

2 & 3

1 & 2

1 & 2

166MHz

66MHz

2.5x

2 & 3

2 & 3

1 & 2

2 & 3

1 & 2

180MHz

60MHz

3x

2 & 3

1 & 2

2 & 3

1 & 2

1 & 2

200MHz

66MHz

3x

2 & 3

1 & 2

1 & 2

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION

Type

JP2

JP10

JP11

JP12

JP13

JP14

CX6X86

2 & 3

Closed

Open

Open

Open

Open

CX686L

1 & 2

Open

Open

Open

Open

Closed

AM K5

2 & 3

Closed

Open

Open

Open

Open

P54C STD

2 & 3

Open

Closed

Open

Open

Open

P54C VRE

2 & 3

Closed

Open

Open

Open

Open

P55C

1 & 2

Open

Open

Open

Open

Closed

Note: Pins designated should be in the closed position.