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APTIVA 2153 SL-A

IBM CORPORATION

APTIVA 2153 SL-A

Device Type

Mainboard

Processor

AM K6-2/AM K6S

Processor Speed

300/350MHz

Chip Set

Unidentified

Video Chip Set

ATI

Maximum Onboard Memory

256MB (SDRAM supported)

Maximum Video Memory

4MB

Cache

512KB

BIOS

Unidentified

Dimensions

254mm x 218mm

I/O Options

32-bit PCI slot, floppy drive interface, game/MIDI port, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA port, IR connector, USB connectors (2), ATX power connector, line in, line out, microphone in, audio in – CD-ROM

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

Serial port 1

CN8

USB connector 1

CN1

Wake on modem connector

CN9

USB connector 2

CN1A

IDE interface 2

CN10

Power LED

CN2/pins 1 – 3

IDE interface 1

CN11

IDE interface LED

CN2/pins 4 – 7

Floppy drive interface

CN12

Reset switch

CN2/pins 8 & 9

Game/MIDI port

CN13

Soft off power supply

CN2/pins 10 & 20

Line in

CN13B

Turbo LED

CN2/pins 11 – 13

Line out

CN13C

IR connector

CN2/pins 14 - 19

Microphone in

CN13A

PS/2 mouse port

CN3

Modem connector

CN14

AMC connector

CN5

Audio in – CD-ROM

CN15

Parallel port

CN6

CPU fan power

FN1

VGA port

CN6A

32-bit PCI slot

PC1

Serial port 2

CN6B

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

C1

Unidentified

»

Factory configured - do not alter

C2

Unidentified

»

Factory configured - do not alter

C3

Unidentified

»

Factory configured - do not alter

C4

Unidentified

»

Factory configured - do not alter

C5

Unidentified

»

Factory configured - do not alter

FN2

Unidentified

»

VGA IRQ disabled

JP1

Pins 1 & 2 closed

 

VGA IRQ enabled

JP1

Pins 2 & 3 closed

»

Hardware monitor disabled

SW1/1

Off

 

Hardware monitor enabled

SW1/1

On

»

Password disabled

SW3/2

Off

 

Password enabled

SW3/2

On

DIMM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(1) 1M x 64

None

16MB

(1) 2M x 64

None

16MB

(1) 1M x 64

(1) 1M x 64

24MB

(1) 2M x 64

(1) 1M x 64

32MB

(1) 4M x 64

None

32MB

(1) 2M x 64

(1) 2M x 64

40MB

(1) 4M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 2M x 64

64MB

(1) 8M x 64

None

64MB

(1) 4M x 64

(1) 4M x 64

72MB

(1) 8M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

128MB

(1) 16M x 64

None

128MB

(1) 8M x 64

(1) 8M x 64

136MB

(1) 16M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 2M x 64

160MB

(1) 16M x 64

(1) 4M x 64

192MB

(1) 16M x 64

(1) 8M x 64

256MB

(1) 16M x 64

(1) 16M x 64

Note: Board accepts SDRAM memory.

CACHE CONFIGURATION

Note: 512KB cache is factory installed and is not configurable. The location is unidentified.

VIDEO MEMORY CONFIGURATION

Note: 2/4MB video memory is factory installed and is not configurable. The location is unidentified.

CPU SPEED SELECTION (AM K6-2)

CPU speed

Clock speed

Multiplier

JPX1

SW1/2

SW1/3

SW1/4

SW2/1

266MHz

66MHz

4x

2 & 3

Off

On

Off

On

300MHz

66MHz

4.5x

2 & 3

Off

On

Off

On

300MHz

100MHz

3x

2 & 3

On

Off

Off

Off

350MHz

100MHz

3.5x

2 & 3

On

Off

Off

Off

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6-2, CON’T)

CPU speed

Clock speed

Multiplier

SW2/2

SW2/3

SW3/1

SW3/3

SW3/4

266MHz

66MHz

4x

Off

On

On

Off

Off

300MHz

66MHz

4.5x

On

On

On

Off

Off

300MHz

100MHz

3x

On

Off

On

On

On

350MHz

100MHz

3.5x

Off

Off

On

On

On

CPU SPEED SELECTION (AM K6-S)

CPU speed

Clock speed

Multiplier

JPX1

SW1/2

SW1/3

SW1/4

SW2/1

300MHz

66MHz

4.5x

1 & 2

Off

On

Off

On

Note: Pins designated should be in the closed position.

CPU SPEED SELECTION (AM K6-S, CON’T)

CPU speed

Clock speed

Multiplier

SW2/2

SW2/3

SW3/1

SW3/3

SW3/4

300MHz

66MHz

4.5x

On

Off

On

Off

Off

CPU VOLTAGE SELECTION

Voltage

SW2/4

SW2/5

SW2/6

SW2/7

SW2/8

2.2v

Off

Off

Off

On

Off

2.3v

Off

Off

Off

On

On

2.8v

Off

On

Off

Off

Off

2.9v

Off

On

Off

Off

On

3.2v

Off

On

On

Off

Off

3.3v

Off

On

On

Off

On