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# SIEMENS NIXDORF
SYSTEM BOARD D1026
Device Type Mainboard
Processor Pentium II
Processor Speed 233/266/300/333MHz
Chip Set Unidentified
Video Chip Set Matrox
Maximum Onboard 384MB (SDRAM supported)
Memory
Maximum Video 6MB
Memory
Cache 256/512KB (located on Pentium II CPU)
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options Ethernet 10BaseT connector, floppy drive
interface, game/MIDI port, IDE interfaces
(2), parallel port, PS/2 mouse port, serial
ports (2), VGA port, riser slot, IR
connector, USB connectors (3), ATX power
connector, line in, line out, microphone in,
audio in – CD-ROM, wake on LAN connector
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| SMM connector | C1 | Ethernet 10BaseT | CN2 |
| | | connector | |
|------------------+----------+-------------------+----------|
| Chassis fan | C2 | Parallel port | CN3 |
| power | | | |
|------------------+----------+-------------------+----------|
| Speaker | C4 | Serial port 1 | CN4 |
|------------------+----------+-------------------+----------|
| Soft off power | C5 | PS/2 mouse port | CN5 |
| supply | | | |
|------------------+----------+-------------------+----------|
| Front panel | C6 | USB connector 1 | CN6 |
| connector | | | |
|------------------+----------+-------------------+----------|
| Front panel | C7 | USB connector 2 | CN7 |
| connector | | | |
|------------------+----------+-------------------+----------|
| IR connector | C8 | Game/MIDI port | CN8 |
|------------------+----------+-------------------+----------|
| Chipcard reader | C9 | Microphone in | CN9 |
| connector | | | |
|------------------+----------+-------------------+----------|
| 3v power | C10 | Line in | CN10 |
|------------------+----------+-------------------+----------|
| DSP connector | C11 | Line out | CN11 |
|------------------+----------+-------------------+----------|
| Audio in – | C12 | IDE interface 2 | CN12 |
| CD-ROM | | | |
|------------------+----------+-------------------+----------|
| Auxiliary in | C13 | IDE interface 1 | CN13 |
|------------------+----------+-------------------+----------|
| Modem connector | C14 | Floppy drive | CN14 |
| | | interface | |
|------------------+----------+-------------------+----------|
| Fax connector | C15 | USB connector 3 | CN15 |
|------------------+----------+-------------------+----------|
| Wake on LAN | C16 | Riser slot | SL1 |
| connector | | | |
|------------------+----------+-------------------+----------|
| VGA port | CN1 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------------+-------+----------|
| » | Factory configured - do not alter | SW1/1 | Off |
|---+-------------------------------------+-------+----------|
| » | BIOS normal operation | SW1/2 | Off |
|---+-------------------------------------+-------+----------|
| | BIOS recovery mode | SW1/2 | On |
|---+-------------------------------------+-------+----------|
| » | Floppy drive write protect disabled | SW1/3 | Off |
|---+-------------------------------------+-------+----------|
| | Floppy drive write protect enabled | SW1/3 | On |
|---+-------------------------------------+-------+----------|
| | Wake on LAN disabled | SW1/4 | Off |
|---+-------------------------------------+-------+----------|
| | Wake on LAN enabled | SW1/4 | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|--------+-------------+-------------+-------------+---------|
| 8MB | (1) 1M x 64 | None | None | None |
|--------+-------------+-------------+-------------+---------|
| 16MB | (1) 2M x 64 | None | None | None |
|--------+-------------+-------------+-------------+---------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 | None | None |
|--------+-------------+-------------+-------------+---------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 | None | None |
|--------+-------------+-------------+-------------+---------|
| 24MB | (1) 1M x 64 | (1) 1M x 64 | (1) 1M x 64 | None |
|--------+-------------+-------------+-------------+---------|
| 32MB | (1) 4M x 64 | None | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 2M x 64 | (1) 2M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 1M x 64 | (1) 1M x | (1) 1M x | (1) 1M x |
| | | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 4M x 64 | (1) 1M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 64 | (1) 2M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 2M x 64 | (1) 2M x | (1) 2M x | None |
| | | 64 | 64 | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 2M x 64 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 64 | None | None | None |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 64 | (1) 4M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 8M x 64 | (1) 1M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 8M x 64 | (1) 2M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 64 | (1) 4M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 4M x 64 | (1) 4M x | (1) 4M x | None |
| | | 64 | 64 | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 16M x | None | None | None |
| | 64 | | | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 8M x 64 | (1) 8M x | None | None |
| | | 64 | | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 4M x 64 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 136MB | (1) 16M x | (1) 1M x | None | None |
| | 64 | 64 | | |
|-------+-------------+------------+------------+------------|
| 144MB | (1) 16M x | (1) 2M x | None | None |
| | 64 | 64 | | |
|-------+-------------+------------+------------+------------|
| 152MB | (1) 16M x | (1) 1M x | (1) 1M x | (1) 1M x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 160MB | (1) 16M x | (1) 4M x | None | None |
| | 64 | 64 | | |
|-------+-------------+------------+------------+------------|
| 176MB | (1) 16M x | (1) 2M x | (1) 2M x | (1) 2M x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 192MB | (1) 16M x | (1) 8M x | None | None |
| | 64 | 64 | | |
|-------+-------------+------------+------------+------------|
| 192MB | (1) 8M x 64 | (1) 8M x | (1) 8M x | None |
| | | 64 | 64 | |
|-------+-------------+------------+------------+------------|
| 224MB | (1) 16M x | (1) 4M x | (1) 4M x | (1) 4M x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 256MB | (1) 32M x | None | None | None |
| | 64 | | | |
|-------+-------------+------------+------------+------------|
| 256MB | (1) 16M x | (1) 16M x | None | None |
| | 64 | 64 | | |
|-------+-------------+------------+------------+------------|
| 256MB | (1) 8M x 64 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 272MB | (1) 16M x | (1) 16M x | (1) 1M x | (1) 1M x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 280MB | (1) 32M x | (1) 1M x | (1) 1M x | (1) 1M x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 288MB | (1) 16M x | (1) 16M x | (1) 2M x | (1) 2M x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 304MB | (1) 32M x | (1) 2M x | (1) 2M x | (1) 2M x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 320MB | (1) 16M x | (1) 16M x | (1) 4M x | (1) 4M x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 320MB | (1) 16M x | (1) 8M x | (1) 8M x | (1) 8M x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 352MB | (1) 32M x | (1) 4M x | (1) 4M x | (1) 4M x |
| | 64 | 64 | 64 | 64 |
|-------+-------------+------------+------------+------------|
| 384MB | (1) 16M x | (1) 16M x | (1) 16M x | None |
| | 64 | 64 | 64 | |
|-------+-------------+------------+------------+------------|
| 448MB | (1) 32M x | (1) 8M x | (1) 8M x | (1) 8M x |
| | 64 | 64 | 64 | 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|--------+------------+------------+------------+------------|
| 512MB | (1) 32M x | (1) 32M x | None | None |
| | 64 | 64 | | |
|--------+------------+------------+------------+------------|
| 512MB | (1) 16M x | (1) 16M x | (1) 16M x | (1) 16M x |
| | 64 | 64 | 64 | 64 |
|--------+------------+------------+------------+------------|
| 640MB | (1) 32M x | (1) 16M x | (1) 16M x | (1) 16M x |
| | 64 | 64 | 64 | 64 |
|--------+------------+------------+------------+------------|
| 768MB | (1) 32M x | (1) 32M x | (1) 32M x | None |
| | 64 | 64 | 64 | |
|--------+------------+------------+------------+------------|
| 1024MB | (1) 32M x | (1) 32M x | (1) 32M x | (1) 32M x |
| | 64 | 64 | 64 | 64 |
|------------------------------------------------------------|
| Note: Board accepts SDRAM memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: 256KB/512KB cache is located on the Pentium II CPU. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Note: 2MB video memory is factory installed. To increase |
| video memory, install module at C3. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier|SW1/5 |SW1/6 |SW1/7 |SW1/8 |
|---------+-----------+----------+------+------+------+------|
| 233MHz | 66MHz | 3.5x | On | On | Off | Off |
|---------+-----------+----------+------+------+------+------|
| 266MHz | 66MHz | 4x | On | Off | On | On |
|---------+-----------+----------+------+------+------+------|
| 300MHz | 66MHz | 4.5x | On | Off | On | Off |
|---------+-----------+----------+------+------+------+------|
| 333MHz | 66MHz | 5x | On | Off | Off | On |
+------------------------------------------------------------+