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# TRENTON TECHNOLOGY, INC.
TR-486DXPCI
Processor 80486SX/SL80486SX/ODP486/80486DX/SL80486DX/80486DX2/SL80486DX2/80486DX4/80486DX4/P24D/P24T
Processor 25/33/50(internal)/66(internal)/100(internal)MHz
Speed
Chip Set Unidentified
Video Chip None
Set
Maximum 128MB
Onboard
Memory
Maximum None
Video
Memory
Cache 256KB
BIOS AMI
Dimensions Unidentified
I/O Floppy drive interface, IDE interface, SCSI interface, parallel port, serial ports (2),
Options combo I/O connector
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| Power LED & | P2 | Parallel port | P8 |
| keylock | | | |
|--------------------+----------+-----------------+----------|
| Floppy drive | P3 | Chassis fan | P9 |
| interface | | power | |
|--------------------+----------+-----------------+----------|
| Auxiliary keyboard | P4 | Reset switch | P10 |
| connector | | | |
|--------------------+----------+-----------------+----------|
| Speaker | P5 | IDE interface | P11 |
|--------------------+----------+-----------------+----------|
| Combo I/O | P5A | IDE interface | P12 |
| connector | | LED | |
|--------------------+----------+-----------------+----------|
| Serial port 1 | P6 | SCSI interface | P13 |
|--------------------+----------+-----------------+----------|
| Serial port 2 | P7 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | Monitor type select color | JU80 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Monitor type select monochrome | JU80 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Password normal operation | JU81 | Open |
|---+-----------------------------------+-------+------------|
| | Password clear | JU81 | Closed |
|---+-----------------------------------+-------+------------|
| » | Watchdog timer disabled | JU82 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Watchdog timer enabled | JU82 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | CMOS memory normal operation | JU83 | Open |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | JU83 | Closed |
|---+-----------------------------------+-------+------------|
| » | Speaker data signal to pin 8 on | JU84 | Closed |
| | P5A enabled | | |
|---+-----------------------------------+-------+------------|
| | Speaker data signal to pin 8 on | JU84 | Open |
| | P5A disabled | | |
|---+-----------------------------------+-------+------------|
| » | Reset data signal to pin 1 on P5A | JU85 | Closed |
| | enabled | | |
|---+-----------------------------------+-------+------------|
| | Reset data signal to pin 1 on P5A | JU85 | Open |
| | disabled | | |
|---+-----------------------------------+-------+------------|
| » | Serial port 1 IRQ select IRQ4 | JU100 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Serial port 1 IRQ select IRQ3 | JU100 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Serial port 2 IRQ select IRQ3 | JU101 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Serial port 2 IRQ select IRQ4 | JU101 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Parallel port IRQ select IRQ7 | JU102 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Parallel port IRQ select IRQ5 | JU102 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 1MB | (1) 256K x | None | None | None |
| | 36 | | | |
|-------+-------------+------------+------------+------------|
| 2MB | (1) 512K x | None | None | None |
| | 36 | | | |
|-------+-------------+------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 4MB | (1) 1M x 36 | None | None | None |
|-------+-------------+------------+------------+------------|
| 4MB | (1) 512K x | (1) 512K x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 8MB | (1) 2M x 36 | None | None | None |
|-------+-------------+------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 8MB | (1) 512K x | (1) 512K x | (1) 512K x | (1) 512K x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x | (1) 1M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 4M x 36 | None | None | None |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 2M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 8M x 36 | None | None | None |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: 256KB cache is factory installed and is not |
| configurable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JU10 | JU11 | JU13 | JU14 |
|------------+---------+-------------------+--------+--------|
| 80486SX | Closed | Pins 1 & 2 closed | Open | Open |
|------------+---------+-------------------+--------+--------|
| SL80486SX | Open | Pins 2 & 3 closed | Open | Open |
|------------+---------+-------------------+--------+--------|
| ODP486 | Open | Pins 1 & 2 closed | Closed | Open |
|------------+---------+-------------------+--------+--------|
| 80486DX | Open | Pins 1 & 2 closed | Open | Open |
|------------+---------+-------------------+--------+--------|
| SL80486DX | Open | Pins 2 & 3 closed | Open | Open |
|------------+---------+-------------------+--------+--------|
| 80486DX2 | Open | Pins 1 & 2 closed | Open | Open |
|------------+---------+-------------------+--------+--------|
| SL80486DX2 | Open | Pins 2 & 3 closed | Open | Open |
|------------+---------+-------------------+--------+--------|
| 80486DX4 | Open | Pins 1 & 2 closed | Open | Open |
|------------+---------+-------------------+--------+--------|
| SL80486DX4 | Open | Pins 2 & 3 closed | Open | Open |
|------------+---------+-------------------+--------+--------|
| P24D | Open | Pins 1 & 2 closed | Open | Closed |
|------------+---------+-------------------+--------+--------|
| P24T | Open | Pins 1 & 2 closed | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU MULTIPLIER SELECTION |
|------------------------------------------------------------|
| Multiplier | JU12 |
|----------------------------+-------------------------------|
| | 2x | Pins 2 & 3 closed |
|----+-----------------------+-------------------------------|
| | 2.5x | Pins 1 & 2 closed |
|----+-----------------------+-------------------------------|
| » | 3x | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | JU103 | JU104 |
|------------------+--------------------+--------------------|
| 3 | Pins 7 & 8 closed | Pins 7 & 8 closed |
|------------------+--------------------+--------------------|
| 5 | Pins 5 & 6 closed | Pins 5 & 6 closed |
|------------------+--------------------+--------------------|
| 6 | Pins 3 & 4 closed | Pins 3 & 4 closed |
|------------------+--------------------+--------------------|
| 7 | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI BUS MASTER SELECTION |
|------------------------------------------------------------|
| Setting | JU111 | JU112 |
|----------------------+------------------+------------------|
| » | Bus master on | Pins 2 & 3 | Pins 1 & 2 |
| | PCI slot 1 | closed | closed |
|---+------------------+------------------+------------------|
| | Bus master on | Pins 1 & 2 | Pins 2 & 3 |
| | PCI slot 2 | closed | closed |
+------------------------------------------------------------+