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# IBM CORPORATION
APTIVA 2144 TYPE G-1
Processor Pentium
Processor Speed 75/90/100MHz
Chip Set Unidentified
Video Chip Set Unidentified
Maximum Onboard 128MB
Memory
Maximum Video 2MB
Memory
Cache 256/512KB
BIOS Unidentified
Dimensions 254mm 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
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Front panel | J1D1 | Serial port | J6K1 |
| connector | | | |
|-------------------+----------+------------------+----------|
| VGA port | J1K1 | PS/2 mouse port | J7K1 |
|-------------------+----------+------------------+----------|
| VESA feature | J1H1 | IDE interface 2 | J8F1 |
| connector | | | |
|-------------------+----------+------------------+----------|
| Front panel | J2A2 | Floppy drive | J9D1 |
| connector | | interface | |
|-------------------+----------+------------------+----------|
| Parallel port | J3K1 | IDE interface 1 | J9F2 |
|-------------------+----------+------------------+----------|
| Serial port | J5K1 | Riser slot | SL1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------+---------+--------------|
| ? | Flash BIOS normal operation | J5J1 | Pins 1 & 3 |
| | | | closed |
|---+-------------------------------+---------+--------------|
| | Flash BIOS clear | J5J1 | Pins 1 & 2 |
| | | | closed |
|---+-------------------------------+---------+--------------|
| ? | Factory configured - do not | J8A1 | Unidentified |
| | alter | | |
|---+-------------------------------+---------+--------------|
| ? | Password enabled | SW1E1/3 | Off |
|---+-------------------------------+---------+--------------|
| | Password disabled | SW1E1/3 | On |
|---+-------------------------------+---------+--------------|
| ? | CMOS memory normal operation | SW1E1/4 | Off |
|---+-------------------------------+---------+--------------|
| | CMOS memory clear | SW1E1/4 | On |
|---+-------------------------------+---------+--------------|
| ? | Factory configured - do not | SW1E1/5 | Off |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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) 2M x 36 | (2) 1M x 36 |
|---------------+----------------------+---------------------|
| 32MB | (2) 4M x 36 | None |
|---------------+----------------------+---------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|---------------+----------------------+---------------------|
| 40MB | (2) 4M x 36 | (2) 1M 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) 8M x 36 | (2) 1M x 36 |
|---------------+----------------------+---------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
|---------------+----------------------+---------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|---------------+----------------------+---------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------------------------------------------------|
| Note: Board accepts x 32 SIMMs. The location of banks 0 & |
| 1 are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 256KB | (8) 32K x 8 | (1) 32K x 8 |
|------------------+--------------------+--------------------|
| 512KB | (8) 64K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE SWITCH CONFIGURATION |
|------------------------------------------------------------|
| Size | SW1E1/1 | SW1E1/2 |
|-------------------+--------------------+-------------------|
| None | On | N/A |
|-------------------+--------------------+-------------------|
| 256KB | Off | Off |
|-------------------+--------------------+-------------------|
| 512KB | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|--------------+----------------------+----------------------|
| 1MB | (2) 256K x 16 | None |
|--------------+----------------------+----------------------|
| 2MB | (2) 256K x 16 | (2) 256K x 16 |
|------------------------------------------------------------|
| Note: Bank 0 is factory installed and is not configurable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | SW1E1/6 | SW1E1/7 | SW1E1/8 |
| speed | speed | | | | |
|---------+-------+------------+---------+---------+---------|
| 75MHz | 50MHz | 1.5x | Off | Off | Off |
|---------+-------+------------+---------+---------+---------|
| 90MHz | 60MHz | 1.5x | Off | On | Off |
|---------+-------+------------+---------+---------+---------|
| 100MHz | 66MHz | 1.5x | Off | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | J9C1 |
|----------------------------+-------------------------------|
| Standard | Pins 1 & 3 closed |
|----------------------------+-------------------------------|
| VRE | Pins 5 & 7 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ISA BUS SPEED SELECTION |
|------------------------------------------------------------|
| CPU speed | ISA 1/6 | ISA 1/8 | J5J1 (ISA | J5J1 (ISA |
| | | | 1/6) | 1/8) |
|-----------+---------+---------+------------+---------------|
| 75MHz | 8.33MHz | 6.25MHz | Pins 5 & 7 | Pins 5 & 7 |
| | | | open | closed |
|-----------+---------+---------+------------+---------------|
| 90MHz | 10MHz | 7.5MHz | Pins 5 & 7 | Pins 5 & 7 |
| | | | open | closed |
|-----------+---------+---------+------------+---------------|
| 100MHz | 11MHz | 8.25MHz | Pins 5 & 7 | Pins 5 & 7 |
| | | | open | closed |
+------------------------------------------------------------+