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# SIEMENS NIXDORF INFORMATIONSSYSTEME AG
S26361-D802-A
Processor 80486SX/80486DX/ODP486SX/80486DX2/Pentium
Overdrive
Processor 25/33/50(internal)/66(internal)MHz
Speed
Chip Set Unidentified
Max. Onboard 64MB
DRAM
Cache 128KB
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options 32-bit VESA local bus slots (1), floppy drive
interface, IDE interface, parallel port, PS/2
mouse port, serial ports (2), VGA feature
connector, VGA port
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| VGA port | CN1 | IDE interface | CN7 |
|------------------+----------+-------------------+----------|
| Parallel port | CN2 | VGA feature | CN8 |
| | | connector | |
|------------------+----------+-------------------+----------|
| Serial port 2 | CN3 | Speaker | JP1 |
|------------------+----------+-------------------+----------|
| Serial port 1 | CN4 | LED connector | JP2 |
|------------------+----------+-------------------+----------|
| PS/2 mouse port | CN5 | 32-bit VESA local | SL1 |
| | | bus slots | |
|------------------+----------+-------------------+----------|
| Floppy drive | CN6 | | |
| interface | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | IRQ9 select VGA controller only | J1 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | IRQ9 select other uses | J1 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | VGA interface enabled | J4A | Closed |
|---+----------------------------------+--------+------------|
| | VGA interface disabled | J4A | Open |
|---+----------------------------------+--------+------------|
| » | IDE interface enabled | J4B | Closed |
|---+----------------------------------+--------+------------|
| | IDE interface disabled | J4B | Open |
|---+----------------------------------+--------+------------|
| » | Floppy drive interface enabled | J4C | Closed |
|---+----------------------------------+--------+------------|
| | Floppy drive interface disabled | J4C | Open |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J4D | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J4E | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | J4F | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | J4F | Open |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | J4H | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Password enabled | J4I | Open |
|---+----------------------------------+--------+------------|
| | Password disabled | J4I | Closed |
|---+----------------------------------+--------+------------|
| » | VGA feature connector interface | J5 | pins 1 & 2 |
| | enabled | | closed |
|---+----------------------------------+--------+------------|
| | VGA feature connector interface | J5 | pins 2 & 3 |
| | disabled | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 1M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 2M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 4M x 36 | NONE | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 | NONE | NONE |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 128KB | (4) 32K x 8 | (1) 8K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Type | J2 |
|-------------------------------+----------------------------|
| Write through | Open |
|-------------------------------+----------------------------|
| Write back | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | J3 |
|------------------------------+-----------------------------|
| 80486SX | pins 1 & 2 closed |
|------------------------------+-----------------------------|
| 80486DX | pins 2 & 3 closed |
|------------------------------+-----------------------------|
| 80486DX2 | pins 2 & 3 closed |
|------------------------------+-----------------------------|
| Pentium Overdrive | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | J4G |
|------------------------------+-----------------------------|
| 25MHz | Open |
|------------------------------+-----------------------------|
| 33MHz | Closed |
|------------------------------+-----------------------------|
| 50iMHz | Open |
|------------------------------+-----------------------------|
| 66iMHz | Closed |
+------------------------------------------------------------+