IBM CORPORATION

APTIVA 2144/2168 C-2

Processor

80486SX/80486SX2/80487SX/486 Overdrive/80486DX/80486DX2

Processor Speed

25/33/50(internal)/66(internal)MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

128MB

Maximum Video Memory

None

Cache

128/256KB

BIOS

IBM

Dimensions

330mm x 218mm

I/O Options

32-bit VESA/PCI local bus slot, floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2),VESA feature connector, VGA port, riser slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse port

J2

VESA feature connector

J14

Serial port 1

J3

LED connector

J26

Serial port 2

J4

Speaker

J27

Parallel port

J5

On/off switch connector

J29

VGA port

J6

On/off switch power supply connector

J30

Floppy drive interface

J7

Riser slot

SL1

IDE interface 1

J9

32-bit VESA/PCI local bus slot

SL2

IDE interface 2

J10

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

On board video enabled

J15

Pins 1 & 2 closed

 

On board video disabled

J15

Pins 2 & 3 closed

»

Modem answers on ring

JP5

Pins 2 & 3 closed

 

Modem does not answer on ring

JP5

Pins 1 & 2 closed

 

Factory configured - do not alter

JP10

Unidentified

»

CMOS memory normal operation

JP14

Pins 1 & 2 closed

 

CMOS memory clear

JP14

Pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

2MB

(1) 512K x 36

None

None

None

4MB

(1) 1M x 36

None

None

None

6MB

(1) 512K x 36

(1) 1M x 36

None

None

8MB

(1) 1M x 36

(1) 1M x 36

None

None

8MB

(1) 2M x 36

None

None

None

10MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

None

12MB

(1) 512K x 36

(1) 512K x 36

(1) 2M x 36

None

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

None

12MB

(1) 1M x 36

(1) 2M x 36

None

None

16MB

(1) 4M x 36

None

None

None

16MB

(1) 1M x 36

(1) 1M x 36

(1) 2M x 36

None

16MB

(1) 2M x 36

(1) 2M x 36

None

None

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

20MB

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

None

20MB

(1) 1M x 36

(1) 4M x 36

None

None

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

None

24MB

(1) 1M x 36

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

24MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

None

28MB

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

28MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 1M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

32MB

(1) 4M x 36

None

None

None

32MB

(1) 8M x 36

(1) 2M x 36

None

None

32MB

(1) 2M x 36

(1) 2M x 36

(1) 4M x 36

None

32MB

(1) 2M x 36

(1) 4M x 36

(1) 2M x 36

None

36MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

None

40MB

(1) 1M x 36

(1) 1M x 36

(1) 8M x 36

None

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

None

48MB

(1) 2M x 36

(1) 2M x 36

(1) 8M x 36

None

48MB

(1) 2M x 36

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

52MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 8M x 36

None

None

64MB

(1) 4M x 36

(1) 4M x 36

(1) 8M x 36

None

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

68MB

(1) 1M x 36

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

72MB

(1) 1M x 36

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

80MB

(1) 2M x 36

(1) 2M x 36

(1) 8M x 36

(1) 8M x 36

84MB

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

(1) 4M x 36

96MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

None

96MB

(1) 4M x 36

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

100MB

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

None

(1) 8K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

J16

J17

J38

128KB

Pins 2 & 3 closed

Open

Open

256KB

Pins 1 & 2 closed

Closed

Open

CPU SPEED SELECTION

Speed

J35

J36

J37

25MHz

Open

Closed

Closed

33MHz

Open

Closed

Open

50iMHz

Open

Closed

Closed

50MHz

Open

Open

Open

66iMHz

Open

Closed

Open

CPU TYPE SELECTION

Type

J23

J24

80486SX

Pins 1 & 2 closed

Open

80486SX2

Pins 2 & 3 closed

Open

80487SX

Pins 2 & 3 closed

Closed

486 Overdrive

Pins 2 & 3 closed

Closed

80486DX

Pins 2 & 3 closed

Open

80486DX2

Pins 2 & 3 closed

Open

LOCAL BUS SELECTION

Setting

JP3

JP4

JP7

JP13

VESA local bus

Pins 1 & 2 closed

Pins 1 & 2 closed

Unidentified

Unidentified

PCI local bus

Pins 2 & 3 closed

Pins 2 & 3 closed

Unidentified

Unidentified