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# A-TREND TECHNOLOGY CORPORATION
ATC-1000+
Processor CX M1/AM K5/Pentium
Processor Speed 75/90/100/120/133/150/166/180/200MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 128MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Award
Dimensions 235mm x 220mm
I/O Options 32-bit PCI slots (3), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse port, serial ports
(2), IR connector, USB connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+-----------+---------------+-----------|
| Serial port 1 | CN1 | Green PC | J1 pins 4 |
| | | connector | & 5 |
|--------------------+-----------+---------------+-----------|
| Serial port 2 | CN2 | Turbo LED | J1 pins 7 |
| | | | & 8 |
|--------------------+-----------+---------------+-----------|
| Parallel port | CN3 | IDE interface | J1 pins |
| | | LED | 10 & 11 |
|--------------------+-----------+---------------+-----------|
| Floppy drive | CN4 | Speaker | J1 pins |
| interface | | | 12 - 15 |
|--------------------+-----------+---------------+-----------|
| IDE interface 1 | CN5 | Power LED & | J1 pins |
| | | keylock | 17 - 21 |
|--------------------+-----------+---------------+-----------|
| IDE interface 2 | CN6 | Chassis fan | J2 |
| | | power | |
|--------------------+-----------+---------------+-----------|
| PS/2 mouse port | CN7 | 32-bit PCI | PC1 – PC3 |
| | | slots | |
|--------------------+-----------+---------------+-----------|
| IR connector | IR | USB connector | USB |
|--------------------+-----------+---------------+-----------|
| Reset switch | J1 pins 1 | | |
| | & 2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | CMOS memory normal operation | JP1 | Open |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | JP1 | Closed |
|---+-----------------------------------+-------+------------|
| » | Flash BIOS write protect disabled | JP2 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS write protect enabled | JP2 | Pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|---------------+-----------------------+--------------------|
| 4MB | (2) 512K x 36 | None |
|---------------+-----------------------+--------------------|
| 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 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Banks are interchangeable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 256KB | (2) 32K x 32 | (1) 16K/32K x 8 |
|------------------+--------------------+--------------------|
| 512KB | (2) 64K x 32 | (1) 16K/32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP3 | JP4 | JP8 | JP9 |
| speed | speed | | | | | |
|--------+--------+------------+--------+--------+-----+-----|
| 120MHz | 60MHz | 2x | Open | Open | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+--------+------------+--------+--------+-----+-----|
| 150MHz | 60MHz | 2x | Closed | Open | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+--------+------------+--------+--------+-----+-----|
| 166MHz | 66MHz | 2x | Open | Closed | 1 & | 2 & |
| | | | | | 2 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP3 | JP4 | JP8 | JP9 |
| speed | speed | | | | | |
|--------+--------+------------+--------+--------+-----+-----|
| 75MHz | 50MHz | 1.5x | Open | Open | 1 & | 1 & |
| | | | | | 2 | 2 |
|--------+--------+------------+--------+--------+-----+-----|
| 90MHz | 60MHz | 1.5x | Closed | Open | 1 & | 1 & |
| | | | | | 2 | 2 |
|--------+--------+------------+--------+--------+-----+-----|
| 100MHz | 66MHz | 1.5x | Open | Closed | 1 & | 1 & |
| | | | | | 2 | 2 |
|--------+--------+------------+--------+--------+-----+-----|
| 120MHz | 60MHz | 1.5x | Closed | Open | 1 & | 1 & |
| | | | | | 2 | 2 |
|--------+--------+------------+--------+--------+-----+-----|
| 133MHz | 66MHz | 1.5x | Open | Closed | 1 & | 1 & |
| | | | | | 2 | 2 |
|--------+--------+------------+--------+--------+-----+-----|
| 150MHz | 60MHz | 2x | Closed | Open | 1 & | 2 & |
| | | | | | 2 | 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP3 | JP4 | JP8 | JP9 |
| speed | speed | | | | | |
|--------+--------+------------+--------+--------+-----+-----|
| 75MHz | 50MHz | 1.5x | Open | Open | 1 & | 1 & |
| | | | | | 2 | 2 |
|--------+--------+------------+--------+--------+-----+-----|
| 90MHz | 60MHz | 1.5x | Closed | Open | 1 & | 1 & |
| | | | | | 2 | 2 |
|--------+--------+------------+--------+--------+-----+-----|
| 100MHz | 66MHz | 1.5x | Open | Closed | 1 & | 1 & |
| | | | | | 2 | 2 |
|--------+--------+------------+--------+--------+-----+-----|
| 120MHz | 60MHz | 2x | Closed | Open | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+--------+------------+--------+--------+-----+-----|
| 133MHz | 66MHz | 2x | Open | Closed | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+--------+------------+--------+--------+-----+-----|
| 150MHz | 60MHz | 2.5x | Closed | Open | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+--------+--------+-----+-----|
| 166MHz | 66MHz | 2.5x | Open | Closed | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+--------+------------+--------+--------+-----+-----|
| 180MHz | 60MHz | 3x | Closed | Open | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+--------+------------+--------+--------+-----+-----|
| 200MHz | 66MHz | 3x | Open | Closed | 2 & | 1 & |
| | | | | | 3 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP5 |
|----------------------------+-------------------------------|
| Cyrix | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| AMD | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| P54C STD | Pins 3 & 4 closed |
|----------------------------+-------------------------------|
| P54C VRE | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| P55C | Pins 7 & 8 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Setting | JP6 |
|----------------------------+-------------------------------|
| Single | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| Dual | Pins 2 & 3 closed |
+------------------------------------------------------------+