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# IBM CORPORATION
APTIVA 2142 TYPE A-1
Device Type Mainboard
Processor Pentium
Processor Speed 166/200/233MHz
Chip Set Unidentified
Video Chip Set Trident
Maximum Onboard 384MB (SDRAM supported)
Memory
Maximum Video 4MB (SGRAM supported)
Memory
Cache 512KB
BIOS Unidentified
Dimensions 305mm x 244mm
I/O Options 32-bit PCI slots (3), floppy drive interface,
game/MIDI port, IDE interfaces (2), parallel
port, PS/2 mouse port, serial ports (2), VGA
feature connector, VGA port, IR connector,
USB connectors (2), ATX power connector, line
in, line out, microphone in, audio in –
CD/DVD-ROM
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| ATX power | ATX | AC-3 connector | J27 |
| connector | | | |
|------------------+----------+-------------------+----------|
| Chassis fan | J1 | Game/MIDI port | J29 |
| power | | | |
|------------------+----------+-------------------+----------|
| USB connector 1 | J2 | Line out | J29A |
|------------------+----------+-------------------+----------|
| USB connector 2 | J2A | Line in | J29B |
|------------------+----------+-------------------+----------|
| VGA interface | J3 | Microphone in | J29C |
|------------------+----------+-------------------+----------|
| IDE interface 1 | J8 | Audio in – | J30 |
| | | CD/DVD-ROM | |
|------------------+----------+-------------------+----------|
| IDE interface 2 | J9 | TV in connector | J31 |
|------------------+----------+-------------------+----------|
| VGA port | J10 | Modem audio in | J32 |
|------------------+----------+-------------------+----------|
| VGA feature | J14 | Media console | J33 |
| connector | | connector | |
|------------------+----------+-------------------+----------|
| Parallel port | J23 | Power, power LED, | J38 |
| | | IDE LED | |
|------------------+----------+-------------------+----------|
| Serial port 1 | J23A | Speaker | J39 |
|------------------+----------+-------------------+----------|
| PS/2 mouse port | J24 | Audio amplifier | J41 |
| | | connector | |
|------------------+----------+-------------------+----------|
| Floppy drive | J26 | 32-bit PCI slots | PC1 – |
| interface | | | PC3 |
|------------------------------------------------------------|
| Note: The location of J3 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | J40 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP1 | Pins 1 & 3, |
| | alter | | 2 & 4 closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | JP2 | Closed |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | On board video enabled | JP4 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | On board video disabled | JP4 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | VGA INTA# select | JP5 | Pins 1 & 3, |
| | | | 2 & 4 closed |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | JP6 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JP6 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Floppy drive write enabled | JP11 | Pins 1 & 2 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | Floppy drive write disabled | JP11 | Pins 2 & 3 |
| | | | closed |
|---+---------------------------------+-------+--------------|
| | CS4610 interrupt select | JP21 | Pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|-------------+---------------+---------------+--------------|
| 8MB | (1) 1M x 64 | None | None |
|-------------+---------------+---------------+--------------|
| 16MB | (1) 2M x 64 | None | None |
|-------------+---------------+---------------+--------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 | None |
|-------------+---------------+---------------+--------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 24MB | (1) 1M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 32MB | (1) 4M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 32MB | (1) 2M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 40MB | (1) 2M x 64 | (1) 2M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 48MB | (1) 4M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 48MB | (1) 2M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 56MB | (1) 4M x 64 | (1) 2M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 64MB | (1) 8M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 64MB | (1) 4M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 | None |
|------------+---------------+---------------+---------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 | None |
|------------+---------------+---------------+---------------|
| 72MB | (1) 4M x 64 | (1) 4M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 80MB | (1) 8M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 80MB | (1) 4M x 64 | (1) 4M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 96MB | (1) 8M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 | None |
|------------+---------------+---------------+---------------|
| 96MB | (1) 4M x 64 | (1) 4M x 64 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 112MB | (1) 8M x 64 | (1) 4M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 128MB | (1) 16M x 64 | None | None |
|------------+---------------+---------------+---------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 | None |
|------------+---------------+---------------+---------------|
| 136MB | (1) 8M x 64 | (1) 8M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 144MB | (1) 16M x 64 | (1) 1M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 144MB | (1) 16M x 64 | (1) 2M x 64 | None |
|------------+---------------+---------------+---------------|
| 144MB | (1) 8M x 64 | (1) 8M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 160MB | (1) 16M x 64 | (1) 2M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 160MB | (1) 16M x 64 | (1) 4M x 64 | None |
|------------+---------------+---------------+---------------|
| 160MB | (1) 8M x 64 | (1) 8M x 64 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 168MB | (1) 16M x 64 | (1) 4M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 192MB | (1) 16M x 64 | (1) 4M x 64 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 192MB | (1) 8M x 64 | (1) 8M x 64 | (1) 8M x 64 |
|------------+---------------+---------------+---------------|
| 200MB | (1) 16M x 64 | (1) 8M x 64 | (1) 1M x 64 |
|------------+---------------+---------------+---------------|
| 208MB | (1) 16M x 64 | (1) 8M x 64 | (1) 2M x 64 |
|------------+---------------+---------------+---------------|
| 224MB | (1) 16M x 64 | (1) 8M x 64 | (1) 4M x 64 |
|------------+---------------+---------------+---------------|
| 256MB | (1) 16M x 64 | (1) 8M x 64 | (1) 8M x 64 |
|------------+---------------+---------------+---------------|
| 384MB | (1) 16M x 64 | (1) 16M x 64 | (1) 16M x 64 |
|------------------------------------------------------------|
| Note: Board accepts SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: 512KB cache is factory installed and is not |
| configurable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Note: To increase video memory from 2MB to 4MB, install |
| upgrade in J11. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU speed | Clock | Multiplier | JP3 | JP12 |
| | speed | | | |
|------------+----------+------------+------------+----------|
| 166MHz | 66MHz | 2.5x | 1 & 3, 2 & | 1 & 2, 3 |
| | | | 4 | & 4 |
|------------+----------+------------+------------+----------|
| 200MHz | 66MHz | 3x | 2 & 4, 3 & | 1 & 2, 3 |
| | | | 5 | & 4 |
|------------+----------+------------+------------+----------|
| 233MHz | 66MHz | 3.5x | 3 & 5, 4 & | 1 & 2, 3 |
| | | | 6 | & 4 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+