IBM CORPORATION
APTIVA M30 (250-0441), APTIVA M31 (250-0441), APTIVA M40 (12-10609), APTIVA M41 (250-0442), APTIVA M50 (250-0440), APTIVA M53 (250-0443), APTIVA M71 (250-0444)
Processor |
CX M1/Pentium |
Processor Speed |
75/100/133MHz |
Chip Set |
VLSI |
Video Chip Set |
Trident |
Maximum Onboard Memory |
128MB (EDO supported) |
Maximum Video Memory |
2MB |
Cache |
256/512KB |
BIOS |
Unidentified |
Dimensions |
330mm x 218mm |
I/O Options |
Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VESA feature connector, VGA port, riser slot, cache slots (2), internal VGA connector, power switch connector, wake up on ring connector |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
PS/2 mouse port |
CN2 |
Internal VGA connector |
J11 |
Serial port 2 |
CN3 |
Power switch connector |
J16 |
Serial port 1 |
CN4 |
IDE interface LED |
J17 |
Parallel port |
CN5 |
VESA feature connector |
J18 |
VGA port |
CN6 |
Speaker |
JP1 |
Floppy drive interface |
CN7 |
Chassis fan power |
JP2 |
IDE interface 2 |
CN8 |
Riser slot |
SL1 |
IDE interface 1 |
CN9 |
Cache slots |
SL2 & SL3 |
Wake up on ring connector |
J1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
|
Factory configured - do not alter |
JP2 |
Unidentified |
|
CMOS memory normal operation |
JP12 |
Pins 1 & 2 closed |
CMOS memory clear |
JP12 |
Pins 2 & 3 closed | |
Floppy drive write enabled |
JP22 |
Pins 1 & 2 closed | |
Floppy drive write disabled |
JP22 |
Pins 2 & 3 closed |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
8MB |
(2) 1M x 36 |
None |
16MB |
(2) 2M x 36 |
None |
16MB |
(2) 1M x 36 |
(2) 1M x 36 |
24MB |
(2) 1M x 36 |
(2) 2M x 36 |
32MB |
(2) 4M x 36 |
None |
32MB |
(2) 2M x 36 |
(2) 2M x 36 |
40MB |
(2) 1M x 36 |
(2) 4M x 36 |
48MB |
(2) 4M x 36 |
(2) 2M x 36 |
64MB |
(2) 8M x 36 |
None |
64MB |
(2) 4M x 36 |
(2) 4M x 36 |
72MB |
(2) 1M x 36 |
(2) 8M x 36 |
80MB |
(2) 8M x 36 |
(2) 2M x 36 |
96MB |
(2) 4M x 36 |
(2) 8M x 36 |
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. Banks are interchangeable. |
CACHE CONFIGURATION | |||
Size |
SL2 |
SL3 |
TAG |
256KB |
256KB module installed |
Not installed |
(1) 32K x 8 |
512KB |
256KB module installed |
256KB module installed |
(1) 32K x 8 |
Note: The location of the TAG is unidentified. |
CACHE JUMPER CONFIGURATION | |
Size |
JP6 |
None |
Pins 1 & 3, 2 & 4 closed |
256KB |
Pins 1 & 3, 2 & 4 closed |
512KB |
Pins 3 & 5, 4 & 6 closed |
VIDEO MEMORY CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
1MB |
1MB |
None |
2MB |
1MB |
1MB |
Note: The location of bank 0 is unidentified. The size of the memory chips are unidentified. |
CPU SPEED SELECTION | ||
CPU |
Speed |
JP23 |
CX M1 |
3/1 |
Pins 4 & 6 closed |
CX M1 |
2/1 |
Pins 2 & 4 closed |
P54 |
3/2 |
Open |
P54 |
2/1 |
Pins 2 & 4 closed |
P54C |
- |
Pins 1 & 3 closed |
P55C |
- |
Pins 3 & 5 closed |
ASM M1 |
- |
Open |
CPU MULTIPLIER SELECTION | |
Multiplier |
JP25 |
2x |
Pins 1 & 2 closed |
2.5x |
Pins 2 & 3 closed |
CPU TYPE SELECTION | |
Type |
JP9 |
CX M1 |
Pins 2 & 3 closed |
P54C |
Pins 1 & 2 closed |
P55C |
N/A |
CPU VOLTAGE SELECTION | |
Voltage |
JP21 |
3.3v |
Pins 2 & 3 closed |
5v |
Pins 1 & 2 closed |