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# DENSITRON COPRORATION
DPX-57
Processor 80486DX/A80486DX/IBM26486/CX486DX2/AM486DX2/80486DX2/
A80486DX2/SL80486DX2/CX5X86/AM5X86/IBM486DX4/
IBM26486-4V3100GIC/AM486DX4/SL80486DX4/Pentium ODP
Processor 33/50(internal)/50/66(internal)/75(internal)/100(internal)/
Speed 120(internal)MHz
Chip Set ALI
Video Chip Chips and Technology
Set
Maximum 64MB (EDO supported)
Onboard
Memory
Maximum 2MB
Video
Memory
Cache None
BIOS Award
Dimensions 222mm x 186mm
I/O Ethernet 10BaseT connector, Ethernet AUI, floppy drive
Options interface, game/MIDI port, green PC connector, IDE
interface, SCSI interface, parallel port, PS/2 mouse
interface, serial ports (2), VESA feature connector, VGA
port, riser slot, flat panel connector, touch screen
connector
NPU None
Options
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| Chassis fan | J1 | Flat panel | J16 |
| power | | connector | |
|----------------+----------+---------------------+----------|
| SCSI interface | J2 | Audio in – CD-ROM | J17 |
|----------------+----------+---------------------+----------|
| LED connector | J3 | Mouse/keyboard | J19 |
| | | connector | |
|----------------+----------+---------------------+----------|
| PC/104 | J5A | Parallel port | J20 |
| connector | | | |
|----------------+----------+---------------------+----------|
| PC/104 | J5B | Serial port 1 | J21 |
| connector | | | |
|----------------+----------+---------------------+----------|
| Green PC | J6 | Serial port 2 | J22 |
| connector | | | |
|----------------+----------+---------------------+----------|
| Access bus | J8 | IDE power connector | J23 |
| interface | | | |
|----------------+----------+---------------------+----------|
| AIU connector | J9 | Floppy drive | J24 |
| | | interface | |
|----------------+----------+---------------------+----------|
| Game/MIDI | J10 | Floppy drive power | J25 |
| interface | | connector | |
|----------------+----------+---------------------+----------|
| VGA port | J11 | Touch screen | J26 |
| | | connector | |
|----------------+----------+---------------------+----------|
| Audio | J12 | IDE interface | J27 |
| interface | | | |
|----------------+----------+---------------------+----------|
| Backlight | J13 | IDE signal | J28 |
| inverter power | | extension | |
|----------------+----------+---------------------+----------|
| Power | J14 | VESA feature | P1 |
| connector | | connector | |
|----------------+----------+---------------------+----------|
| 10Base-T | J15 | Riser slot | SL1 |
| connector | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| | Watchdog timer enabled | JP6 | Closed |
|---+-----------------------------------+-------+------------|
| | Watchdog timer disabled | JP6 | Open |
|---+-----------------------------------+-------+------------|
| | SCSI interface enabled | JP7 | Closed |
|---+-----------------------------------+-------+------------|
| | SCSI interface disabled | JP7 | Open |
|---+-----------------------------------+-------+------------|
| | On board LAN enabled | JP8 | Closed |
|---+-----------------------------------+-------+------------|
| | On board LAN disabled | JP8 | Open |
|---+-----------------------------------+-------+------------|
| | Flash BIOS write protect enabled | JP9 | Closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS write protect disabled | JP9 | Open |
|---+-----------------------------------+-------+------------|
| » | CMOS memory normal operation | JP10 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | JP10 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS write enabled | JP11 | Closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS write disabled | JP11 | Open |
|---+-----------------------------------+-------+------------|
| | Microphone power enabled | JP12 | Closed |
|---+-----------------------------------+-------+------------|
| | Microphone power disabled | JP12 | Open |
|---+-----------------------------------+-------+------------|
| | On board sound enabled | JP14 | Closed |
|---+-----------------------------------+-------+------------|
| | On board sound disabled | JP14 | Open |
|---+-----------------------------------+-------+------------|
| | RS-485 mode select full duplex | JP20 | Open |
|---+-----------------------------------+-------+------------|
| | RS-485 mode select half duplex | JP20 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 4MB | (1) 1M x 36 | None |
|------------------+--------------------+--------------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 8MB | (1) 2M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (1) 4M x 36 | None |
|------------------+--------------------+--------------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (1) 8M x 36 | None |
|------------------+--------------------+--------------------|
| 64MB | (1) 8M x 36 | (1) 8M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Note: The location and configuration of the 1MB/2MB video |
| memory is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP3 |
|-----------------------------+------------------------------|
| 80486DX-33 (5v) | Pins 1 & 3, 2 & 4 closed |
|-----------------------------+------------------------------|
| 80486DX-50 (5v) | Pins 3 & 5, 4 & 6 closed |
|-----------------------------+------------------------------|
| A80486DX-50 | Pins 3 & 5, 4 & 6 closed |
|-----------------------------+------------------------------|
| IBM26486-V266GA (3.3v) | Pins 1 & 3, 2 & 4 closed |
|-----------------------------+------------------------------|
| CX486DX2-V66GP (3.3v) | Pins 1 & 3, 2 & 4 closed |
|-----------------------------+------------------------------|
| CX486DX2-V66GP (3.45v) | Pins 1 & 3, 2 & 4 closed |
|-----------------------------+------------------------------|
| AM486DX2-66 (3.45v) | Pins 1 & 3, 2 & 4 closed |
|-----------------------------+------------------------------|
| AM486DX2-66 (NV8T) | Pins 1 & 3, 2 & 4 closed |
|-----------------------------+------------------------------|
| AM486DX2-66 (5v) | Pins 1 & 3, 2 & 4 closed |
|-----------------------------+------------------------------|
| 80486DX2-50 (5v) | Pins 1 & 3, 2 & 4 closed |
|-----------------------------+------------------------------|
| A80486DX2-50 | Pins 1 & 3, 2 & 4 closed |
|-----------------------------+------------------------------|
| 80486DX2-66 (5v) | Pins 1 & 3, 2 & 4 closed |
|-----------------------------+------------------------------|
| SL80486DX2-66 (5v) | Pins 1 & 3, 2 & 4 closed |
|-----------------------------+------------------------------|
| A80486DX2-66 & E5V | Pins 1 & 3, 2 & 4 closed |
|-----------------------------+------------------------------|
| CX5X86-100 (3.45v) | Pins 1 & 3, 2 & 4 closed |
|-----------------------------+------------------------------|
| CX5X86-120 (3.45v) | Pins 3 & 5, 4 & 6 closed |
|-----------------------------+------------------------------|
| AM5X86-75 (3.45v) | Pins 1 & 3, 2 & 4 closed |
|-----------------------------+------------------------------|
| IBM486DX4-100 (3.45v) | Pins 1 & 3, 2 & 4 closed |
|-----------------------------+------------------------------|
| IBM26486-4V3100GIC | Pins 1 & 3, 2 & 4 closed |
|-----------------------------+------------------------------|
| AM486DX4-100 | Pins 1 & 3, 2 & 4 closed |
|-----------------------------+------------------------------|
| AM486DX4-100 (NV8T) | Pins 1 & 3, 2 & 4 closed |
|-----------------------------+------------------------------|
| SL80486DX4-100 (3.45v) | Pins 1 & 3, 2 & 4 closed |
|-----------------------------+------------------------------|
| Pentium ODP-83 (5v) | Pins 1 & 3, 2 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | JP5 |
|--------------------+---------------------------------------|
| 80486DX-33 (5v) | 1 & 2, 3 & 4, 15 & 16, 19 & 21, 33 & |
| | 34, 37 & 38, 39 & 40 |
|--------------------+---------------------------------------|
| 80486DX-50 (5v) | 1 & 2, 3 & 4, 15 & 16, 19 & 21, 33 & |
| | 34, 39 & 40 |
|--------------------+---------------------------------------|
| A80486DX-50 | 1 & 2, 3 & 4, 15 & 16, 19 & 21, 33 & |
| | 34, 39 & 40 |
|--------------------+---------------------------------------|
| IBM26486-V266GA | 5 & 7, 11 & 13, 15 & 16, 17 & 19, 21 |
| (3.3v) | & 22, 23 & 25, 26 & 28, 27 & 29, 33 & |
| | 34, 35 & 36, 37 & 38, 39 & 40 |
|--------------------+---------------------------------------|
| CX486DX2-V66GP | 5 & 7, 11 & 13, 15 & 16, 17 & 19, 21 |
| (3.3v) | & 22, 23 & 25, 26 & 28, 27 & 29, 33 & |
| | 34, 35 & 36, 37 & 38, 39 & 40 |
|--------------------+---------------------------------------|
| CX486DX2-V66GP | 5 & 6, 11 & 13, 15 & 16, 17 & 19, 21 |
| (3.45v) | & 22, 23 & 25, 26 & 28, 27 & 29, 33 & |
| | 34, 35 & 36, 37 & 38, 39 & 40 |
|--------------------+---------------------------------------|
| AM486DX2-66 | 5 & 6, 15 & 16, 19 & 21, 33 & 34, 37 |
| (3.45v) | & 38, 39 & 40 |
|--------------------+---------------------------------------|
| AM486DX2-66 (NV8T) | 5 & 6, 15 & 16, 19 & 21, 33 & 34, 37 |
| | & 38, 39 & 40 |
|--------------------+---------------------------------------|
| AM486DX2-66 (5v) | 1 & 2, 3 & 4, 15 & 16, 19 & 21, 33 & |
| | 34, 37 & 38, 39 & 40 |
|--------------------+---------------------------------------|
| 80486DX2-50 (5v) | 1 & 2, 3 & 4, 15 & 16, 19 & 21, 33 & |
| | 34 |
|--------------------+---------------------------------------|
| A80486DX2-50 | 1 & 2, 3 & 4, 15 & 16, 19 & 21, 33 & |
| | 34 |
|--------------------+---------------------------------------|
| 80486DX2-66 (5v) | 1 & 2, 3 & 4, 15 & 16, 19 & 21, 33 & |
| | 34, 37 & 38, 39 & 40 |
|--------------------+---------------------------------------|
| SL80486DX2-66 (5v) | 1 & 2, 3 & 4, 15 & 16, 17 & 19, 21 & |
| | 23, 33 & 34, 35 & 36, 37 & 38, 39 & |
| | 40 |
|--------------------+---------------------------------------|
| A80486DX2-66 & E5V | 1 & 2, 3 & 4, 15 & 16, 17 & 19, 21 & |
| | 23, 33 & 34, 35 & 36, 37 & 38, 39 & |
| | 40 |
|--------------------+---------------------------------------|
| CX5X86-100 (3.45v) | 5 & 6, 13 & 14, 16 & 18, 17 & 19, 21 |
| | & 23, 24 & 26, 27 & 28, 33 & 34, 35 & |
| | 36, 37 & 38, 39 & 40 |
|--------------------+---------------------------------------|
| CX5X86-120 (3.45v) | 5 & 6, 13 & 14, 16 & 18, 17 & 19, 21 |
| | & 23, 24 & 26, 27 & 28, 33 & 34, 35 & |
| | 36, 37 & 38 |
|--------------------+---------------------------------------|
| AM5X86-75 (3.45v) | 5 & 6, 9 & 10, 13 & 14, 16 & 18, 17 & |
| | 19, 20 & 22, 21 & 23, 24 & 26, 27 & |
| | 28, 33 & 34, 35 & 36, 37 & 38, 39 & |
| | 40 |
|--------------------+---------------------------------------|
| IBM486DX4-100 | 5 & 6, 13 & 14, 15 & 16, 17 & 19, 21 |
| (3.45v) | & 23, 24 & 26, 27 & 28, 33 & 34, 35 & |
| | 36, 37 & 38, 39 & 40 |
|--------------------+---------------------------------------|
| IBM26486-4V3100GIC | 5 & 6, 13 & 14, 15 & 16, 17 & 19, 21 |
| | & 23, 24 & 26, 27 & 28, 33 & 34, 35 & |
| | 36, 37 & 38, 39 & 40 |
|--------------------+---------------------------------------|
| AM486DX4-100 | 5 & 6, 15 & 16, 19 & 21, 22 & 24, 33 |
| | & 34, 37 & 38, 39 & 40 |
|--------------------+---------------------------------------|
| AM486DX4-100 | 5 & 6, 15 & 16, 19 & 21, 22 & 24, 33 |
| (NV8T) | & 34, 37 & 38, 39 & 40 |
|--------------------+---------------------------------------|
| SL80486DX4-100 | 5 & 6, 15 & 16, 17 & 19, 21 & 23, 24 |
| (3.45v) | & 26, 33 & 34, 35 & 36, 37 & 38, 39 & |
| | 40 |
|--------------------+---------------------------------------|
| Pentium ODP-83 | 1 & 2, 3 & 4, 16 & 18, 17 & 19, 30 & |
| (5v) | 32, 33 & 34, 35 & 36, 37 & 38, 39 & |
| | 40 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT SELECTION (RS-485) |
|------------------------------------------------------------|
| Setting | JP17 | JP18 | JP19 |
|----------+--------------------+-------------------+--------|
| Enabled | Pins 3 & 5, 4 & 6 | Pins 3 & 5, 4 & 6 | Closed |
| | closed | closed | |
|----------+--------------------+-------------------+--------|
| Disabled | Pins 1 & 3, 2 & 4 | Pins 1 & 3, 2 & 4 | Open |
| | closed | closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT SELECTION |
|------------------------------------------------------------|
| Setting | JP15 | JP16 |
|----------------+---------------------+---------------------|
| » | RI | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------+---------+---------------------+---------------------|
| | +5v | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------------------------------------------------|
| Note: Pin 8 on both serial ports can have a +5v power |
| supply connection. JP15 is used for port 1 and JP16 |
| is used for port 2. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| TERMINATION SELECTION |
|------------------------------------------------------------|
| Device 1 | Device 2 | JP1 |
|--------------------+--------------------+------------------|
| Not terminated | Terminated | Closed |
|--------------------+--------------------+------------------|
| Terminated | Terminated | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| KEYBOARD SELECTION |
|------------------------------------------------------------|
| Setting | JP2 | JP4 |
|--------------+-------------------------+-------------------|
| » | Internal | Pins 1 & 3, 2 & 4 | Pins 1 & 2 closed |
| | | closed | |
|---+----------+-------------------------+-------------------|
| | External | Pins 3 & 5, 4 & 6 | Pins 2 & 3 closed |
| | | closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FLAT PANEL SELECTION |
|------------------------------------------------------------|
| Configuration | JP13/pins 1 & | JP13/pins 3 | JP13/pins 5 |
| | 2 | & 4 | & 6 |
|---------------+----------------+-------------+-------------|
| 1 | Open | Open | Open |
|---------------+----------------+-------------+-------------|
| 2 | Closed | Open | Open |
|---------------+----------------+-------------+-------------|
| 3 | Open | Closed | Open |
|---------------+----------------+-------------+-------------|
| 4 | Closed | Closed | Open |
|---------------+----------------+-------------+-------------|
| 5 | Open | Open | Closed |
|---------------+----------------+-------------+-------------|
| 6 | Closed | Open | Closed |
|---------------+----------------+-------------+-------------|
| 7 | Open | Closed | Closed |
|---------------+----------------+-------------+-------------|
| 8 | Closed | Closed | Closed |
+------------------------------------------------------------+