A-TREND TECHNOLOGY CORPORATION

ATC-1000+

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

235mm x 220mm

I/O Options

32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Green PC connector

J1 pins 4 & 5

Serial port 2

CN2

Turbo LED

J1 pins 7 & 8

Parallel port

CN3

IDE interface LED

J1 pins 10 & 11

Floppy drive interface

CN4

Speaker

J1 pins 12 - 15

IDE interface 1

CN5

Power LED & keylock

J1 pins 17 - 21

IDE interface 2

CN6

Chassis fan power

J2

PS/2 mouse port

CN7

32-bit PCI slots

PC1 – PC3

IR connector

IR

USB connector

USB

Reset switch

J1 pins 1 & 2

 

 

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

CMOS memory normal operation

JP1

Open

 

CMOS memory clear

JP1

Closed

»

Flash BIOS write protect disabled

JP2

Pins 2 & 3 closed

 

Flash BIOS write protect enabled

JP2

Pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(2) 512K x 36

None

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

Note: Board accepts EDO memory. Banks are interchangeable.

CACHE CONFIGURATION

Size

Bank 0

TAG

256KB

(2) 32K x 32

(1) 16K/32K x 8

512KB

(2) 64K x 32

(1) 16K/32K x 8

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

Multiplier

JP3

JP4

JP8

JP9

120MHz

60MHz

2x

Open

Open

1 & 2

2 & 3

150MHz

60MHz

2x

Closed

Open

1 & 2

2 & 3

166MHz

66MHz

2x

Open

Closed

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AMD)

CPU speed

Clock speed

Multiplier

JP3

JP4

JP8

JP9

75MHz

50MHz

1.5x

Open

Open

1 & 2

1 & 2

90MHz

60MHz

1.5x

Closed

Open

1 & 2

1 & 2

100MHz

66MHz

1.5x

Open

Closed

1 & 2

1 & 2

120MHz

60MHz

1.5x

Closed

Open

1 & 2

1 & 2

133MHz

66MHz

1.5x

Open

Closed

1 & 2

1 & 2

150MHz

60MHz

2x

Closed

Open

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP3

JP4

JP8

JP9

75MHz

50MHz

1.5x

Open

Open

1 & 2

1 & 2

90MHz

60MHz

1.5x

Closed

Open

1 & 2

1 & 2

100MHz

66MHz

1.5x

Open

Closed

1 & 2

1 & 2

120MHz

60MHz

2x

Closed

Open

1 & 2

2 & 3

133MHz

66MHz

2x

Open

Closed

1 & 2

2 & 3

150MHz

60MHz

2.5x

Closed

Open

2 & 3

2 & 3

166MHz

66MHz

2.5x

Open

Closed

2 & 3

2 & 3

180MHz

60MHz

3x

Closed

Open

2 & 3

1 & 2

200MHz

66MHz

3x

Open

Closed

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU TYPE SELECTION

Type

JP5

Cyrix

Pins 1 & 2 closed

AMD

Pins 1 & 2 closed

P54C STD

Pins 3 & 4 closed

P54C VRE

Pins 1 & 2 closed

P55C

Pins 7 & 8 closed

CPU VOLTAGE SELECTION

Setting

JP6

Single

Pins 1 & 2 closed

Dual

Pins 2 & 3 closed