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# SIEMENS NIXDORF INFORMATIONSSYSTEME AG
SYSTEM BOARD D912
Processor Pentium
Processor Speed 75/90/100/120MHz
Chip Set Unidentified
Video Chip Set Tseng Labs
Maximum Onboard 128MB
Memory
Maximum Video 2MB
Memory
Cache 256/512KB
BIOS Phoenix
Dimensions 330mm x 218mm
I/O Options Floppy drive interface, IDE interfaces (2),
parallel port, PS/2 mouse port, serial port,
VGA port, riser slot, cache slot, IR
connector, microphone port, line in
connector, line out connector, CD line in
connector, soft off power supply, main switch
connector, remote on connector, image port
connector, game/MIDI connector, VGA/VESA pass
through connector, wavetable connector,
voice/modem connector, audio in connector, CD
input connector, fax/modem slot
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| VGA port | CN1 | LED connector | CN19 |
|------------------+----------+-------------------+----------|
| Microphone | CN2 | LED connector | CN20 |
| connector | | | |
|------------------+----------+-------------------+----------|
| Line in | CN3 | Chassis fan power | CN21 |
| connector | | | |
|------------------+----------+-------------------+----------|
| Line out | CN4 | Remote on | CN22 |
| connector | | connector | |
|------------------+----------+-------------------+----------|
| Parallel port | CN5 | Image port | CN23 |
| | | connector | |
|------------------+----------+-------------------+----------|
| Serial port | CN6 | Game/MIDI | CN24 |
| | | interface | |
|------------------+----------+-------------------+----------|
| PS/2 mouse port | CN8 | VGA/VESA pass | CN25 |
| | | through connector | |
|------------------+----------+-------------------+----------|
| IR connector | CN10 | Wavetable | CN26 |
| | | connector | |
|------------------+----------+-------------------+----------|
| Soft off power | CN11 | Voice/modem | CN27 |
| supply | | connector | |
|------------------+----------+-------------------+----------|
| Floppy drive | CN13 | Audio in | CN28 |
| interface | | connector | |
|------------------+----------+-------------------+----------|
| Main switch | CN14 | CD line in | CN29 |
| connector | | connector | |
|------------------+----------+-------------------+----------|
| IDE interface 1 | CN15 | CD input | CN30 |
| | | connector | |
|------------------+----------+-------------------+----------|
| IDE interface 2 | CN16 | Riser slot | SL1 |
|------------------+----------+-------------------+----------|
| Speaker | CN17 | Fax/modem slot | SL2 |
|------------------+----------+-------------------+----------|
| LED connector | CN18 | Cache slot | SL3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Floppy drive write protect | FDP | Open |
| | disabled | | |
|---+---------------------------------+-------+--------------|
| | Floppy drive write protect | FDP | Closed |
| | enabled | | |
|---+---------------------------------+-------+--------------|
| » | Flash BIOS write protect | FLP | Open |
| | disabled | | |
|---+---------------------------------+-------+--------------|
| | Flash BIOS write protect | FLP | Closed |
| | enabled | | |
|---+---------------------------------+-------+--------------|
| » | Flash BIOS normal operation | RCV | Open |
|---+---------------------------------+-------+--------------|
| | Flash BIOS recovery mode | RCV | Closed |
|---+---------------------------------+-------+--------------|
| » | Factory configured - do not | SKP | Unidentified |
| | 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | SL3 |
|----------------------------+-------------------------------|
| 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|Clock speed|Multiplier| CF0 | CF1 | F0 | F1 |
|---------+-----------+----------+-------+-----+------+------|
| 75MHz | 50MHz | 1.5x | Open |Open |Closed|Closed|
|---------+-----------+----------+-------+-----+------+------|
| 90MHz | 60MHz | 1.5x | Open |Open |Closed| Open |
|---------+-----------+----------+-------+-----+------+------|
| 100MHz | 66MHz | 1.5x | Open |Open | Open |Closed|
|---------+-----------+----------+-------+-----+------+------|
| 120MHz | 60MHz | 2x |Closed |Open |Closed| Open |
+------------------------------------------------------------+