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# SIEMENS NIXDORF INFORMATIONSSYSTEME AG
SYSTEM BOARD D943
Processor Pentium
Processor Speed 75/90/100/120/133/150/166/200MHz
Chip Set Unidentified
Video Chip Set Cirrus Logic
Maximum Onboard 128MB (EDO supported)
Memory
Maximum Video 2MB
Memory
Cache 128/256/512KB
BIOS Phoenix
Dimensions 330mm x 218mm
I/O Options Floppy drive interface, game/MIDI interface,
IDE interfaces (2), parallel port, PS/2 mouse
port, serial ports (2), feature connector,
VGA port, riser slot, cache slot, IR
connector, voice/modem connector, MPEG
connector, wavetable connector, CD line in
connector, fax/modem connector, chipcard
reader connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| PS/2 mouse port | CN2 | IR connector | CN14 |
|--------------------+----------+-----------------+----------|
| Serial port 1 | CN3 | Fax/modem | CN15 |
| | | connector | |
|--------------------+----------+-----------------+----------|
| Serial port 2 | CN4 | Chipcard reader | CN16 |
| | | connector | |
|--------------------+----------+-----------------+----------|
| Parallel port | CN5 | IDE interface 1 | CN17 |
|--------------------+----------+-----------------+----------|
| VGA port | CN6 | Floppy drive | CN18 |
| | | interface | |
|--------------------+----------+-----------------+----------|
| Voice/modem | CN7 | IDE interface 2 | CN19 |
| connector | | | |
|--------------------+----------+-----------------+----------|
| MPEG connector | CN8 | Chassis fan | J1 |
| | | power | |
|--------------------+----------+-----------------+----------|
| Feature connector | CN9 | Speaker | J2 |
|--------------------+----------+-----------------+----------|
| Game/MIDI | CN10 | Front panel | J3 |
| connector | | connector | |
|--------------------+----------+-----------------+----------|
| Wavetable | CN11 | Power on switch | J4 |
| connector | | | |
|--------------------+----------+-----------------+----------|
| Soft off power | CN12 | Cache slot | SL1 |
| supply connector | | | |
|--------------------+----------+-----------------+----------|
| CD line in | CN13 | Riser slot | SL2 |
| connector | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------------+-------+----------|
| » | BIOS write protect disabled | SW1/5 | Off |
|---+-------------------------------------+-------+----------|
| | BIOS write protect enabled | SW1/5 | On |
|---+-------------------------------------+-------+----------|
| » | Factory configured - do not alter | SW1/6 | Off |
|---+-------------------------------------+-------+----------|
| » | BIOS started from the system module | SW1/7 | Off |
|---+-------------------------------------+-------+----------|
| | BIOS started from floppy and | SW1/7 | On |
| | restores on board | | |
|---+-------------------------------------+-------+----------|
| » | Floppy drive write protect disabled | SW1/8 | Off |
|---+-------------------------------------+-------+----------|
| | Floppy drive write protect enabled | SW1/8 | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------------+--------------------+--------------------|
| 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) 4M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 1M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 2M x 36 | (2) 4M 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 |
|------------------+--------------------+--------------------|
| 72MB | (2) 1M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|---------------+-----------------------+--------------------|
| 80MB | (2) 2M x 36 | (2) 8M x 36 |
|---------------+-----------------------+--------------------|
| 96MB | (2) 8M x 36 | (2) 4M 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. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | SL1 |
|----------------------------+-------------------------------|
| 128KB | 128KB module installed |
|----------------------------+-------------------------------|
| 256KB | 256KB module installed |
|----------------------------+-------------------------------|
| 512KB | 512KB module installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|----------------+------------------+------------------------|
| 1MB | 1MB | None |
|----------------+------------------+------------------------|
| 2MB | 1MB | (2) 256K x 16 |
|------------------------------------------------------------|
| Note: Bank 0 is factory installed and is not configurable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU speed | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
|------------+-----------+-----------+-----------+-----------|
| 75MHz | On | On | Off | Off |
|------------+-----------+-----------+-----------+-----------|
| 90MHz | On | Off | Off | Off |
|------------+-----------+-----------+-----------+-----------|
| 100MHz | Off | On | Off | Off |
|------------+-----------+-----------+-----------+-----------|
| 120MHz | On | Off | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 133MHz | Off | On | On | Off |
|------------+-----------+-----------+-----------+-----------|
| 150MHz | On | Off | On | On |
|------------+-----------+-----------+-----------+-----------|
| 166MHz | Off | On | On | On |
|------------+-----------+-----------+-----------+-----------|
| 200MHz | Off | On | Off | On |
+------------------------------------------------------------+