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# A-TREND TECHNOLOGY CORPORATION
ATC-6020
Processor Pentium Pro
Processor Speed 150/166/180/200MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 256MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB (located on Pentium Pro CPU)
BIOS Award
Dimensions 305mm x 244mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse port, serial ports
(2), IR connector, USB connector, ATX power
connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+-----------+----------------+-----------|
| ATX power | ATX | Green PC | J1 pins 4 |
| connector | | connector | & 5 |
|-------------------+-----------+----------------+-----------|
| Serial port 2 | CN1 | Turbo LED | J1 pins 7 |
| | | | & 8 |
|-------------------+-----------+----------------+-----------|
| Parallel port | CN2 | IDE interface | J1 pins |
| | | LED | 10 & 11 |
|-------------------+-----------+----------------+-----------|
| PS/2 mouse port | CN3 | Speaker | J1 pins |
| | | | 12 - 15 |
|-------------------+-----------+----------------+-----------|
| Serial port 1 | CN4 | Power LED & | J1 pins |
| | | keylock | 17 - 21 |
|-------------------+-----------+----------------+-----------|
| Floppy drive | CN5 | Soft off power | J2 |
| interface | | supply | |
|-------------------+-----------+----------------+-----------|
| IDE interface 2 | CN6 | Chassis fan | JP11 |
| | | power | |
|-------------------+-----------+----------------+-----------|
| IDE interface 1 | CN7 | 32-bit PCI | PC1 – PC4 |
| | | slots | |
|-------------------+-----------+----------------+-----------|
| IR connector | IR | USB connector | USB |
|-------------------+-----------+----------------+-----------|
| Reset switch | J1 pins 1 | | |
| | & 2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+---------+------------|
| » | CMOS memory normal operation | JP10 | Open |
|---+---------------------------------+---------+------------|
| | CMOS memory clear | JP10 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 2 |
|----------------------------+-------------------------------|
| 8MB | (1) 1M x 64 |
|----------------------------+-------------------------------|
| 16MB | (1) 2M x 64 |
|----------------------------+-------------------------------|
| 32MB | (1) 4M x 64 |
|----------------------------+-------------------------------|
| 64MB | (1) 8M x 64 |
|------------------------------------------------------------|
| Note: Do not install DIMM and SIMM at the same time. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 36 | None |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 36 | None |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16M x 36 | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|---------------+----------------------+---------------------|
| 136MB | (2) 16M x 36 | (2) 1M x 36 |
|---------------+----------------------+---------------------|
| 144MB | (2) 16M x 36 | (2) 2M x 36 |
|---------------+----------------------+---------------------|
| 160MB | (2) 16M x 36 | (2) 4M x 36 |
|---------------+----------------------+---------------------|
| 192MB | (2) 16M x 36 | (2) 8M x 36 |
|---------------+----------------------+---------------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Banks are interchangeable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: 256KB/512KB cache is located on the Pentium Pro CPU. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
|CPU speed|Clock speed|Multiplier| JP3 | JP4 | JP5 | JP6 |
|---------+-----------+----------+------+------+------+------|
| 150MHz | 60MHz | 2.5x | Open |Closed|Closed| Open |
|---------+-----------+----------+------+------+------+------|
| 166MHz | 66MHz | 2.5x |Closed| Open | Open |Closed|
|---------+-----------+----------+------+------+------+------|
| 180MHz | 60MHz | 3x | Open |Closed|Closed| Open |
|---------+-----------+----------+------+------+------+------|
| 200MHz | 66MHz | 3x |Closed| Open | Open |Closed|
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CON’T) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP7 | JP8 | JP9 |
| speed | speed | | | | |
|---------+----------+------------+--------+--------+--------|
| 150MHz | 60MHz | 2.5x | Closed | Closed | Open |
|---------+----------+------------+--------+--------+--------|
| 166MHz | 66MHz | 2.5x | Closed | Closed | Open |
|---------+----------+------------+--------+--------+--------|
| 180MHz | 60MHz | 3x | Closed | Open | Closed |
|---------+----------+------------+--------+--------+--------|
| 200MHz | 66MHz | 3x | Closed | Open | Closed |
+------------------------------------------------------------+