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ATC-1020+

A-TREND TECHNOLOGY CORPORATION

ATC-1020+

Processor

CX M1/AM K5/AM K6/Pentium

Processor Speed

75/90/100/120/133/150/166/180/200/233MHz

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

128MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

280mm x 220mm

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), USB connector, IR connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Floppy drive interface

CN1

Reset switch

J1/pins 1 & 2

Parallel port

CN2

Green PC connector

J1/pins 4 & 5

Serial port 1

CN3

Turbo LED

J1/pins 7 & 8

Serial port 2

CN4

IDE interface LED

J1/pins 10 & 11

USB connector

CN5

Speaker

J1/pins 12 - 15

IDE interface 1

CN6

Power LED

J1/pins 17 - 19

IDE interface 2

CN7

Chassis fan power

J2

PS/2 mouse port

CN8

32-bit PCI slots

PC1 PC4

IR connector

CN9

Cache slot

SL1

USER CONFIGURABLE SETTINGS

Function

Label

Position

CMOS memory normal operation

JP8

Open

 

CMOS memory clear

JP8

Closed

Flash BIOS update disabled

JP19

Pins 2 & 3 closed

 

Flash BIOS update enabled

JP19

Pins 1 & 2 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) 8M x 36

(2) 8M x 36

Note: Board accepts EDO memory. Banks are interchangeable.

DIMM CONFIGURATION

Size

Bank 2

8MB

(1) 1M x 64

16MB

(1) 2M x 64

32MB

(1) 4M x 64

64MB

(1) 8M x 64

Note: Do not install SIMMs & DIMMS at the same time.

CACHE CONFIGURATION

Size

Bank 0

SL1

TAG

256KB

(2) 32K x 8

Not installed

(1) 16K/32K x 8

256KB

None

256KB module installed

(1) 16K/32K x 8

512KB

(2) 64K x 32

Not installed

(1) 16K/32K x 8

512KB

None

512KB module installed

(1) 16K/32K x 8

CACHE TAG CONFIGURATION

Setting

JP17

Enabled

Closed

Disabled

Open

CPU SPEED SELECTION (CYRIX)

CPU speed

Clock speed

Multiplier

JP4

JP5

JP6

JP7

JP9

JP10

120MHz

50MHz

2x

Closed

Open

Open

Open

1 & 2

2 & 3

133MHz

55MHz

2x

Closed

Closed

Closed

N/A

1 & 2

2 & 3

150MHz

60MHz

2x

Closed

Closed

Open

Closed

1 & 2

2 & 3

166MHz

66MHz

2x

Closed

Open

Closed

Closed

1 & 2

2 & 3

200MHz

75MHz

2x

Open

Closed

Closed

N/A

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AMD K5)

CPU speed

Clock speed

Multiplier

JP4

JP5

JP6

JP7

JP9

JP10

75MHz

50MHz

1.5x

Closed

Open

Open

Open

1 & 2

1 & 2

90MHz

60MHz

1.5x

Closed

Closed

Open

Closed

1 & 2

1 & 2

100MHz

66MHz

1.5x

Closed

Open

Closed

Closed

1 & 2

1 & 2

120MHz

60MHz

1.5x

Closed

Closed

Open

Closed

1 & 2

1 & 2

133MHz

66MHz

1.5x

Closed

Open

Closed

Closed

1 & 2

1 & 2

150MHz

60MHz

1.5x

Closed

Closed

Open

Closed

1 & 2

1 & 2

166MHz

66MHz

2.5x

Closed

Open

Closed

Closed

2 & 3

2 & 3

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AMD K6)

CPU speed

Clock speed

Multiplier

JP4

JP5

JP6

JP7

JP9

JP10

166MHz

66MHz

2.5x

Closed

Open

Closed

Closed

2 & 3

2 & 3

200MHz

66MHz

3x

Closed

Open

Closed

Closed

2 & 3

1 & 2

233MHz

66MHz

3.5x

Closed

Open

Closed

Closed

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (INTEL)

CPU speed

Clock speed

Multiplier

JP4

JP5

JP6

JP7

JP9

JP10

75MHz

50MHz

1.5x

Closed

Open

Open

Open

1 & 2

1 & 2

90MHz

60MHz

1.5x

Closed

Closed

Open

Closed

1 & 2

1 & 2

100MHz

66MHz

1.5x

Closed

Open

Closed

Closed

1 & 2

1 & 2

120MHz

60MHz

2x

Closed

Closed

Open

Closed

1 & 2

2 & 3

133MHz

66MHz

2x

Closed

Open

Closed

Closed

1 & 2

2 & 3

150MHz

60MHz

2.5x

Closed

Closed

Open

Closed

2 & 3

2 & 3

166MHz

66MHz

2.5x

Closed

Open

Closed

Closed

2 & 3

2 & 3

180MHz

60MHz

3x

Closed

Closed

Open

Closed

2 & 3

1 & 2

200MHz

66MHz

3x

Closed

Open

Closed

Closed

2 & 3

1 & 2

233MHz

66MHz

3.5x

Closed

Open

Closed

Closed

1 & 2

1 & 2

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION

Voltage

JP11

2.8v

Pins 9 & 10 closed

2.9v

Pins 7 & 8 closed

3.2v

Pins 5 & 6 closed

3.3v

Pins 3 & 4 closed

3.5v

Pins 1 & 2 closed