SIEMENS NIXDORF INFORMATIONSSYSTEME AG
S26361-D824
|
Processor |
80486SX/80486SX2/80486DX/80486DX2 |
|
Processor Speed |
25/33/50(internal)/66(internal)MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
Unidentified |
|
Maximum Onboard Memory |
32MB |
|
Maximum Video Memory |
1MB |
|
Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
254mm x 218mm |
|
I/O Options |
Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), video pass through connector, VGA port, riser slot |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Video pass through connector |
CN1 |
IDE interface |
CN7 |
|
PS/2 mouse port |
CN2 |
Floppy drive interface |
CN8 |
|
Serial port 1 |
CN3 |
Front panel connector |
CN9 |
|
Serial port 2 |
CN4 |
Speaker |
CN10 |
|
Parallel port |
CN5 |
Riser slot |
SL1 |
|
VGA port |
CN6 |
Reset switch |
X31 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
On board video enabled |
X60 |
Pins 1 & 2 closed | |
|
On board video disabled |
X60 |
Pins 2 & 3 closed | |
|
» |
VGA IRQ9 disabled |
X161 |
Pins 1 & 2 closed |
|
VGA IRQ9 enabled |
X161 |
Pins 2 & 3 closed | |
|
» |
PS/2 mouse IRQ12 enabled |
X162 |
Pins 1 & 2 closed |
|
PS/2 mouse IRQ12 disabled |
X162 |
Pins 2 & 3 closed | |
|
» |
Monitor type select color |
X165 |
Pins 1 & 2 closed |
|
Monitor type select monochrome |
X165 |
Pins 2 & 3 closed | |
|
» |
CMOS memory normal operation |
X166 |
Pins 1 & 2 closed |
|
CMOS memory clear |
X166 |
Pins 2 & 3 closed | |
|
Floppy drive write protect disabled |
X192 |
Pins 1 & 2 closed | |
|
Floppy drive write protect enabled |
X192 |
Pins 2 & 3 closed | |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
4MB |
(1) 1M x 36 |
None |
|
8MB |
(1) 2M x 36 |
None |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
|
12MB |
(1) 2M x 36 |
(1) 1M x 36 |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
|
16MB |
(1) 4M x 36 |
None |
|
24MB |
(1) 4M x 36 |
(1) 2M x 36 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
|
32MB |
(1) 8M x 36 |
None |
|
VIDEO MEMORY CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
512KB |
512KB |
None |
|
1MB |
512KB |
512KB |
|
Note: The size of the chip is unidentified. | ||
|
CPU SPEED SELECTION | |
|
Speed |
X41 |
|
25MHz |
Pins 1 & 2 closed |
|
33MHz |
Pins 2 & 3 closed |
|
50iMHz |
Pins 1 & 2 closed |
|
66iMHz |
Pins 2 & 3 closed |
|
CPU TYPE SELECTION | |
|
Type |
X33 |
|
80486SX |
Pins 1 & 2 closed |
|
80486SX2 |
Pins 2 & 3 closed |
|
80486DX |
Pins 2 & 3 closed |
|
80486DX2 |
Pins 2 & 3 closed |
|
CPU TYPE SELECTION | ||
|
Type |
X32 | |
| » |
Write through |
Pins 1 & 2 closed |
|
Write back |
Pins 2 & 3 closed | |
|
MISCELLANEOUS TECHNICAL NOTE |
|
Note: The location of pin 1 on the connectors are unidentified. Jumpers that are not labeled may be factory configured. |