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# DATAVAN INTERNATIONAL CORPORATION
DTV-05C
Processor 80486SX/80486DX/CX486DX2/80486DX2/CX486DX4/
AM486DX4(V8B)/AM486DX4(V8T)/80486DX4(WB)/80486DX4(WT)/
AM5X86/CX5X86
Processor 25/33/40/50(internal)/50/66(internal)/80(internal)/100(internal)/
Speed 120(internal)/133(internal)MHz
Chip Set ALI
Video Chip Cirrus Logic
Set
Maximum 32MB
Onboard
Memory
Maximum Unidentified
Video
Memory
Cache 64/128/256KB
BIOS AMI
Dimensions 270mm x 150mm
I/O Floppy drive interface, IDE interface, parallel port, serial
Options ports (2), VGA feature connector, VGA port
NPU None
Options
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Chassis fan power | CN100 | VGA feature | P1 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Power LED | JP13 | VGA port | P2 |
|-------------------+----------+------------------+----------|
| Speaker | JP14 | IDE interface | PV1 |
|-------------------+----------+------------------+----------|
| Turbo LED | JP15 | Floppy drive | PV2 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Reset switch | JP24 | Serial port 1 | PV4 |
|-------------------+----------+------------------+----------|
| Chassis fan power | JP101 | Serial port 2 | PV5 |
|-------------------+----------+------------------+----------|
| IDE interface LED | JV1 | Parallel port | PV6 |
|------------------------------------------------------------|
| Note: The locations of all connectors are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|------------------------------------+----------+------------|
| » | Factory configured – do not | JP2 | Closed |
| | alter | | |
|---+--------------------------------+----------+------------|
| » | Factory configured – do not | JP3 | Closed |
| | alter | | |
|---+--------------------------------+----------+------------|
| » | Factory configured – do not | JP4 | Pins 2 & 3 |
| | alter | | closed |
|---+--------------------------------+----------+------------|
| » | Factory configured – do not | JP5 | Pins 2 & 3 |
| | alter | | closed |
|---+--------------------------------+----------+------------|
| » | Factory configured – do not | JP6 | Pins 1 & 2 |
| | alter | | closed |
|---+--------------------------------+----------+------------|
| » | Factory configured – do not | JP7 | Pins 1 & 2 |
| | alter | | closed |
|---+--------------------------------+----------+------------|
| » | Factory configured – do not | JP9 | Pins 2 & 3 |
| | alter | | closed |
|---+--------------------------------+----------+------------|
| » | Factory configured – do not | JP18 | Pins 2 & 3 |
| | alter | | closed |
|---+--------------------------------+----------+------------|
| » | Factory configured – do not | JP19 | Pins 2 & 3 |
| | alter | | closed |
|---+--------------------------------+----------+------------|
| » | On board video enabled | JP100 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+----------+------------|
| | On board video disabled | JP100 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+----------+------------|
| » | CMOS memory normal operation | JP105 | Open |
|---+--------------------------------+----------+------------|
| | CMOS memory clear | JP105 | Closed |
|---+--------------------------------+----------+------------|
| » | Factory configured – do not | JP106 | Open |
| | alter | | |
|---+--------------------------------+----------+------------|
| » | Factory configured – do not | JP107 | Pins 1 & 2 |
| | alter | | closed |
|---+--------------------------------+----------+------------|
| » | Factory configured – do not | JP108 | Pins 1 & 2 |
| | alter | | closed |
|---+--------------------------------+----------+------------|
| » | Factory configured – do not | JP109 | Pins 1 & 2 |
| | alter | | closed |
|---+--------------------------------+----------+------------|
| » | Factory configured – do not | JPA12 | Closed |
| | alter | | |
|---+--------------------------------+----------+------------|
| » | Floppy drive interface enabled | JV2/pins | Closed |
| | | 5 & 6 | |
|---+--------------------------------+----------+------------|
| | Floppy drive interface | JV2/pins | Open |
| | disabled | 5 & 6 | |
|---+--------------------------------+----------+------------|
| » | IDE interface enabled | JV2/pins | Closed |
| | | 7 & 8 | |
|---+--------------------------------+----------+------------|
| | IDE interface disabled | JV2/pins | Open |
| | | 7 & 8 | |
|---+--------------------------------+----------+------------|
| » | Serial port 1 enabled | JV2/pins | Closed |
| | | 9 & 10 | |
|---+--------------------------------+----------+------------|
| | Serial port 1 disabled | JV2/pins | Open |
| | | 9 & 10 | |
|---+--------------------------------+----------+------------|
| » | Serial port 2 enabled | JV2/pins | Closed |
| | | 11 & 12 | |
|---+--------------------------------+----------+------------|
| | Serial port 2 disabled | JV2/pins | Open |
| | | 11 & 12 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 2MB | (1) 256K x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 4MB | (1) 1M x 36 | None |
|------------------+--------------------+--------------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 8MB | (1) 2M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 4M x 36 | None |
|------------------+--------------------+--------------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 |
|------------------------------------------------------------|
| Note: The location of banks 0 & 1 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: Board accepts 64KB/128KB/256KB cache. The location |
| and chip sizes are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP17 | JP20 | JP21 | JP23 |
|---------+----------------------+----------+--------+-------|
| 64KB | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|---------+----------------------+----------+--------+-------|
| 128KB | 1 & 2, 3 & 4 | Closed | 2 & 3 | 1 & 2 |
|---------+----------------------+----------+--------+-------|
| 256KB | 1 & 2, 3 & 4, 5 & 6 | Closed | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP16 |
|--------------------------+---------------------------------|
| 25MHz | Pins 1 & 2, 5 & 6 closed |
|--------------------------+---------------------------------|
| 33MHz | Pins 1 & 2, 3 & 4 closed |
|--------------------------+---------------------------------|
| 40MHz | Pins 3 & 4, 5 & 6, 7 & 8 closed |
|--------------------------+---------------------------------|
| 50iMHz | Pins 1 & 2, 5 & 6 closed |
|--------------------------+---------------------------------|
| 50MHz | Pins 1 & 2, 5 & 6, 7 & 8 closed |
|--------------------------+---------------------------------|
| 66iMHz | Pins 1 & 2, 3 & 4, 7 & 8 closed |
|--------------------------+---------------------------------|
| 80iMHz | Pins 5 & 6, 7 & 8 closed |
|--------------------------+---------------------------------|
| 100iMHz | Pins 3 & 4, 7 & 8 closed |
|--------------------------+---------------------------------|
| 120iMHz | Pins 3 & 4, 5 & 6, 7 & 8 closed |
|--------------------------+---------------------------------|
| 133iMHz | Pins 1 & 2, 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP1 | JP8 | JPB13 | JPR17 |
|-----------+--------+-------------+------------+------------|
| 80486SX | Open | Pins 1 & 2 | Open | Open |
| | | closed | | |
|-----------+--------+-------------+------------+------------|
| 80486DX | Open | Pins 1 & 2 | Open | Open |
| | | closed | | |
|-----------+--------+-------------+------------+------------|
| CX486DX2 | Closed | Pins 2 & 3 | Open | Pins 1 & 2 |
| | | closed | | closed |
|-----------+--------+-------------+------------+------------|
| 80486DX2 | Open | Pins 1 & 2 | Open | Open |
| | | closed | | |
|-----------+--------+-------------+------------+------------|
| CX486DX4 | Closed | Pins 2 & 3 | Open | Pins 1 & 2 |
| | | closed | | closed |
|-----------+--------+-------------+------------+------------|
| AM486DX4 | Open | Pins 2 & 3 | Open | Open |
| (V8B) | | closed | | |
|-----------+--------+-------------+------------+------------|
| AM486DX4 | Open | Pins 1 & 2 | Pins 2 & 3 | Open |
| (V8T) | | closed | closed | |
|-----------+--------+-------------+------------+------------|
| 80486DX4 | Open | Pins 2 & 3 | Open | Open |
| (WB) | | closed | | |
|-----------+--------+-------------+------------+------------|
| 80486DX4 | Open | Pins 1 & 2 | Open | Open |
| (WT) | | closed | | |
|-----------+--------+-------------+------------+------------|
| CX5X86 | Open | Pins 2 & 3 | Open | Open |
| | | closed | | |
|-----------+--------+-------------+------------+------------|
| AM5X86 | Open | Pins 2 & 3 | Open | Pins 2 & 3 |
| | | closed | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JX1 | JX2 |
|---------+-------------------+------------------------------|
| 3.3v | Pins 1 & 2 closed | Pins 4 & 7, 5 & 8, 6 & 9 |
| | | closed |
|---------+-------------------+------------------------------|
| 3.45v | Pins 2 & 3 closed | Pins 4 & 7, 5 & 8, 6 & 9 |
| | | closed |
|---------+-------------------+------------------------------|
| 5v | N/A | Pins 1 & 4, 2 & 5, 3 & 6 |
| | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | JV2 |
|----------------------------+-------------------------------|
| » | 378h | Pins 3 & 4 closed |
|---+------------------------+-------------------------------|
| | 278h | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | 3BCh | Pins 1 & 2, 3 & 4 closed |
|---+------------------------+-------------------------------|
| | Disabled | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | JP102 |
|-----------------------------------+------------------------|
| » | COM1 (3F8h)/COM2 (2F8h) | Open |
|---+-------------------------------+------------------------|
| | COM3 (3E8h)/COM4 (2E8h) | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT SELECTION |
|------------------------------------------------------------|
| Setting | JP103 | JP104 |
|--------------------+-------------------+-------------------|
| Normal pin out | Pins 2 & 3 closed | Pins 2 & 3 closed |
|--------------------+-------------------+-------------------|
| 9 th pin out | Pins 1 & 2 closed | Pins 1 & 2 closed |
| with+5v for CCD | | |
+------------------------------------------------------------+