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APTIVA 2156 SL-A

IBM CORPORATION

APTIVA 2156 SL-A

Device Type

Mainboard

Processor

Pentium MMX

Processor Speed

300MHz

Chip Set

Unidentified

Video Chip Set

SIS

Maximum Onboard Memory

256MB (SDRAM supported)

Maximum Video Memory

Unidentified

Cache

512KB

BIOS

Unidentified

Dimensions

355mm x 304mm

I/O Options

Floppy drive interface, game interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA port, riser slot, USB connector, ATX power connector, line in, line out, microphone in, audio in CD-ROM

CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

Audio in CD-ROM

J18

USB connector

J1

Line out

J19

VGA port

J4

Line in

J20

Buzzer

J5

Microphone in

J21

IDE interface 1

J6

Game interface

J22

IDE interface 2

J7

Speaker

J23

Parallel port

J9

Speaker

J25

PS/2 mouse port

J11

Soft off power supply

JP7/pins 1 & 3

Serial port 1

J12

ACP LED

JP7/pins 2/4/6

Floppy drive interface

J14

IDE interface LED

JP7/pins 5 & 7

Chassis fan power

J17

Riser slot

SL1

USER CONFIGURABLE SETTINGS

Function

Label

Position

CMOS memory normal operation

JP3

Pins 1 & 2 closed

 

CMOS memory clear

JP3

Pins 2 & 3 closed

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

Size

Bank 0

512KB

(2) 64K x 32

VIDEO MEMORY CONFIGURATION

Note: The location of the video memory is unidentified.

CPU BUS SPEED SELECTION

Speed

JP6

60MHz

Pins 1 & 3, 4 & 6 closed

66MHz

Pins 1 & 3, 2 & 4 closed

75MHz

Pins 2 & 4, 3 & 5 closed

CPU MULTIPLIER SELECTION

Multiplier

JP1

JP2

2x

Pins 1 & 2 closed

Pins 1 & 3, 4 & 6 closed

2.5x

Pins 1 & 2 closed

Pins 1 & 3, 2 & 4 closed

3x

Pins 1 & 2 closed

Pins 2 & 4, 3 & 5 closed

3.5x

Pins 1 & 2 closed

Pins 3 & 5, 4 & 6 closed

4x

Pins 2 & 3 closed

Pins 1 & 3, 2 & 4 closed

4.5x

Pins 2 & 3 closed

Pins 1 & 3, 2 & 4 closed

5x

Pins 2 & 3 closed

Pins 2 & 4, 3 & 5 closed

5.5x

Pins 2 & 3 closed

Pins 3 & 5, 4 & 6 closed

CPU VOLTAGE SELECTION

Voltage

JP4

JP5

1.94

Pins 3 & 5, 4 & 6 closed

Pins 2 & 4, 3 & 5 closed

2.24

Pins 2 & 4, 3 & 5 closed

Pins 1 & 3, 2 & 4 closed

2.84

Pins 1 & 3, 2 & 4 closed

Pins 1 & 3, 2 & 4 closed

2.94

Pins 1 & 3, 2 & 4 closed

Pins 1 & 3, 4 & 6 closed

3.24

Pins 1 & 3, 2 & 4 closed

Pins 2 & 4, 3 & 5 closed