IBM CORPORATION
APTIVA 2144
|
Processor |
80486SX/80486SX2/80487SX/80486DX/80486DX2/P24T |
|
Processor Speed |
25/33/50(internal)/66(internal)MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
Unidentified |
|
Maximum Onboard Memory |
64MB |
|
Maximum Video Memory |
Unidentified |
|
Cache |
128/256KB |
|
BIOS |
Unidentified |
|
Dimensions |
254mm x 218mm |
|
I/O Options |
Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VESA feature connector, VGA port, riser slot, |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
VGA port |
CN1 |
Floppy drive interface |
CN8 |
|
Parallel port |
CN2 |
IDE interface LED |
J26 |
|
Serial port |
CN3 |
Speaker |
J27 |
|
Serial port |
CN4 |
Auxiliary power connector |
J29 |
|
PS/2 mouse port |
CN5 |
Auxiliary power connector |
J30 |
|
VESA feature connector |
CN6 |
Chassis fan power |
J38 |
|
IDE interface |
CN7 |
Riser slot |
SL1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
On board video enabled |
J15 |
Pins 1 & 2 closed | |
|
On board video disabled |
J15 |
Pins 2 & 3 closed | |
|
Parity enabled |
J50 |
Pins 1 & 2 closed | |
|
Parity disabled |
J50 |
Pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
1MB |
(1) 256K x 36 |
None |
None |
None |
|
2MB |
(1) 512K x 36 |
None |
None |
None |
|
4MB |
(1) 1M x 36 |
None |
None |
None |
|
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
None |
None |
|
4MB |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
5MB |
(1) 1M x 36 |
(1) 256K x 36 |
None |
None |
|
6MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
7MB |
(1) 1M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
|
8MB |
(1) 2M x 36 |
None |
None |
None |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
None |
None |
|
10MB |
(1) 2M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
12MB |
(1) 2M x 36 |
(1) 1M x 36 |
None |
None |
|
12MB |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
14MB |
(1) 2M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
16MB |
(1) 4M x 36 |
None |
None |
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 |
|
17MB |
(1) 4M x 36 |
(1) 256K x 36 |
None |
None |
|
18MB |
(1) 4M x 36 |
(1) 256K x 36 |
(1) 256K x 36 |
None |
|
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
None |
None |
|
22MB |
(1) 4M x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
(1) 512K x 36 |
|
24MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
None |
|
28MB |
(1) 4M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
32MB |
(1) 8M x 36 |
None |
None |
None |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
None |
None |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
32MB |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
|
34MB |
(1) 8M x 36 |
(1) 512K x 36 |
None |
None |
|
36MB |
(1) 8M x 36 |
(1) 1M x 36 |
None |
None |
|
40MB |
(1) 2M x 36 |
(1) 8M x 36 |
None |
None |
|
44MB |
(1) 8M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
(1) 1M x 36 |
|
48MB |
(1) 8M x 36 |
(1) 2M x 36 |
(1) 2M x 36 |
None |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
None |
None |
|
64MB |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M x 36 |
(1) 4M 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 |
J12 |
J13 |
J16 |
J17 |
J51 |
|
128KB |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
|
256KB |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | |||||
|
VIDEO MEMORY CONFIGURATION |
|
Note: The size of the video memory chip is unidentified. |
|
CPU SPEED SELECTION | |
|
Speed |
J37 |
|
25MHz |
Closed |
|
33MHz |
Open |
|
50iMHz |
Closed |
|
66iMHz |
Open |
|
CPU TYPE SELECTION | ||||
|
Processor installed |
Processor upgrade |
J24 |
J25 |
J31 |
|
80486SX |
80486SX2 |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
80486SX |
80487SX |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
80486SX |
80486DX |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
80486SX |
80486DX2 |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
80486SX |
P24T |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
80486SX2 |
P24T |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
80486DX |
80486SX2 |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
80486DX |
80486DX2 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
80486DX |
P24T |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
|
80486DX2 |
P24T |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |