IBM CORPORATION
APTIVA 2144 TYPE C-1, APTIVA 2168 TYPE C-1
Device Type |
Mainboard |
Processor |
80486SX/80486SX2/80487SX/ODP486/80486DX/80486DX2 |
Processor Speed |
25/33/50(internal)/66(internal)MHz |
Chip Set |
Unidentified |
Video Chip Set |
Unidentified |
Maximum Onboard Memory |
64MB |
Maximum Video Memory |
1MB |
Cache |
None |
BIOS |
Unidentified |
Dimensions |
330mm x 218mm |
I/O Options |
Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), riser slot, VGA feature connector |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
PS/2 mouse port |
J2 |
VGA feature connector |
J14 |
Serial port 1 |
J3 |
IDE interface LED |
J26 |
Serial port 2 |
J4 |
Speaker |
J27 |
Parallel port |
J5 |
Soft off power supply |
J29 |
VGA port |
J6 |
Soft off power supply |
J30 |
Floppy drive interface |
J7 |
Chassis fan power |
J38 |
IDE interface 1 |
J9 |
Wake on modem connector |
JP5 |
IDE interface 2 |
J10 |
Riser slot |
SL1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
|
On board video disabled |
J15 |
Pins 1 & 2 closed |
On board video enabled |
J15 |
Pins 2 & 3 closed | |
Parity enabled |
J50 |
Pins 1 & 2 closed | |
Parity disabled |
J50 |
Pins 2 & 3 closed | |
|
Password normal operation |
JP14 |
Pins 1 & 2 closed |
Password clear |
JP14 |
Pins 2 & 3 closed |
SIMM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
1MB |
(1) 256K x 36 |
None |
2MB |
(1) 512K x 36 |
None |
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
3MB |
(1) 512K x 36 |
(1) 256K x 36 |
4MB |
(1) 1M x 36 |
None |
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
5MB |
(1) 1M x 36 |
(1) 256K x 36 |
6MB |
(1) 512K x 36 |
(1) 1M x 36 |
8MB |
(1) 2M x 36 |
None |
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
9MB |
(1) 2M x 36 |
(1) 256K x 36 |
10MB |
(1) 2M x 36 |
(1) 512K x 36 |
12MB |
(1) 2M x 36 |
(1) 1M x 36 |
16MB |
(1) 4M x 36 |
None |
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
17MB |
(1) 256K x 36 |
(1) 4M x 36 |
SIMM CONFIGURATION (CONT) | ||
Size |
Bank 0 |
Bank 1 |
18MB |
(1) 512K x 36 |
(1) 4M x 36 |
20MB |
(1) 4M x 36 |
(1) 1M x 36 |
24MB |
(1) 4M x 36 |
(1) 2M x 36 |
32MB |
(1) 8M x 36 |
None |
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
33MB |
(1) 8M x 36 |
(1) 256K x 36 |
34MB |
(1) 8M x 36 |
(1) 512K x 36 |
36MB |
(1) 8M x 36 |
(1) 1M x 36 |
40MB |
(1) 8M x 36 |
(1) 2M x 36 |
48MB |
(1) 8M x 36 |
(1) 4M x 36 |
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
VIDEO MEMORY CONFIGURATION |
Note: Board is factory installed with either 512KB or 1MB video memory. |
CPU SPEED SELECTION | |
Speed |
J37 |
25MHz |
Closed |
33MHz |
Open |
50iMHz |
Closed |
66iMHz |
Open |
CPU TYPE SELECTION | |||
Type |
J24 |
J25 |
J31 |
80486SX |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
80486SX |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
80487SX |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
ODP486 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
80486DX |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
80486DX2 |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Note: The settings for the 80486SX2 are unidentified. |