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# 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 128MB (EDO supported)
Memory
Maximum Video 2MB
Memory
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
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------------+----------+---------------+----------|
| PS/2 mouse port | CN2 | Internal VGA | J11 |
| | | connector | |
|----------------------+----------+---------------+----------|
| Serial port 2 | CN3 | Power switch | J16 |
| | | connector | |
|----------------------+----------+---------------+----------|
| Serial port 1 | CN4 | IDE interface | J17 |
| | | LED | |
|----------------------+----------+---------------+----------|
| Parallel port | CN5 | VESA feature | J18 |
| | | connector | |
|----------------------+----------+---------------+----------|
| VGA port | CN6 | Speaker | JP1 |
|----------------------+----------+---------------+----------|
| Floppy drive | CN7 | Chassis fan | JP2 |
| interface | | power | |
|----------------------+----------+---------------+----------|
| IDE interface 2 | CN8 | Riser slot | SL1 |
|----------------------+----------+---------------+----------|
| IDE interface 1 | CN9 | Cache slots | SL2 & |
| | | | SL3 |
|----------------------+----------+---------------+----------|
| Wake up on ring | J1 | | |
| connector | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | JP2 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | 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 | Not installed | (1) 32K x 8 |
| | installed | | |
|-------+---------------------+----------------+-------------|
| 512KB | 256KB module | 256KB module | (1) 32K x 8 |
| | installed | installed | |
|------------------------------------------------------------|
| 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 |
+------------------------------------------------------------+