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# A-TREND TECHNOLOGY CORPORATION
ATC-1040
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 305mm x 201mm
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 supply | ATX | Reset switch | J1 pins 1 |
| | | | & 2 |
|------------------+----------+------------------+-----------|
| Serial port 2 | CN1 | Green PC | J1 pins 4 |
| | | connector | & 5 |
|------------------+----------+------------------+-----------|
| Parallel port | CN2 | Turbo LED | J1 pins 7 |
| | | | & 8 |
|------------------+----------+------------------+-----------|
| PS/2 mouse port | CN3 | IDE interface | J1 pins |
| | | LED | 10 & 11 |
|------------------+----------+------------------+-----------|
| Serial port 1 | CN4 | Speaker | J1 pins |
| | | | 12 - 15 |
|------------------+----------+------------------+-----------|
| Floppy drive | CN5 | Power LED & | J1 pins |
| interface | | keylock | 17 - 21 |
|------------------+----------+------------------+-----------|
| IDE interface 2 | CN6 | Soft off power | JP1 |
| | | supply | |
|------------------+----------+------------------+-----------|
| IDE interface 1 | CN7 | 32-bit PCI slots | PC1 – PC4 |
|------------------+----------+------------------+-----------|
| Chassis fan | FAN | USB connector | USB |
| power | | | |
|------------------+----------+------------------+-----------|
| IR connector | IR | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-------------------------------------+-------+--------------|
| » | Factory configured - do not | JP5 | Unidentified |
| | alter | | |
|---+---------------------------------+-------+--------------|
| » | Flash BIOS write protect | JP9 | Pins 2 & 3 |
| | disabled | | closed |
|---+---------------------------------+-------+--------------|
| | Flash BIOS write protect | JP9 | Pins 1 & 2 |
| | enabled | | closed |
|---+---------------------------------+-------+--------------|
| » | CMOS memory normal operation | JP16 | Open |
|---+---------------------------------+-------+--------------|
| | CMOS memory clear | JP16 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 2 | Bank 3 |
|------------------+--------------------+--------------------|
| 8MB | (1) 1M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 16MB | (1) 2M x 64 | None |
|------------------+--------------------+--------------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 32MB | (1) 4M x 64 | None |
|------------------+--------------------+--------------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 64MB | (1) 8M x 64 | None |
|------------------------------------------------------------|
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 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 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 256KB | (2) 32K x 32 | Unidentified |
|------------------+--------------------+--------------------|
| 512KB | (2) 64K x 32 | Unidentified |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP3 | JP4 | JP6 | JP7 | JP8 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 120MHz | 50MHz | 2x | 1 & | 2 & | 1 & | 1 & | 1 & |
| | | | 2 | 3 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2x | 1 & | 2 & | 2 & | 1 & | 1 & |
| | | | 2 | 3 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2x | 1 & | 2 & | 1 & | 2 & | 1 & |
| | | | 2 | 3 | 2 | 3 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP3 | JP4 | JP6 | JP7 | JP8 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 75MHz | 50MHz | 1.5x | 1 & | 1 & | 1 & | 1 & | 1 & |
| | | | 2 | 2 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x | 1 & | 1 & | 2 & | 1 & | 1 & |
| | | | 2 | 2 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x | 1 & | 1 & | 1 & | 2 & | 1 & |
| | | | 2 | 2 | 2 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 120MHz | 60MHz | 1.5x | 1 & | 1 & | 2 & | 1 & | 1 & |
| | | | 2 | 2 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 133MHz | 66MHz | 1.5x | 1 & | 1 & | 1 & | 2 & | 1 & |
| | | | 2 | 2 | 2 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x | 2 & | 2 & | 1 & | 2 & | 1 & |
| | | | 3 | 3 | 2 | 3 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP3 | JP4 | JP6 | JP7 | JP8 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 75MHz | 50MHz | 1.5x | 1 & | 1 & | 1 & | 1 & | 1 & |
| | | | 2 | 2 | 2 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x | 1 & | 1 & | 2 & | 1 & | 1 & |
| | | | 2 | 2 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x | 1 & | 1 & | 1 & | 2 & | 1 & |
| | | | 2 | 2 | 2 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 120MHz | 60MHz | 2x | 1 & | 2 & | 2 & | 1 & | 1 & |
| | | | 2 | 3 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 133MHz | 66MHz | 2x | 1 & | 2 & | 1 & | 2 & | 1 & |
| | | | 2 | 3 | 2 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2.5x | 2 & | 2 & | 2 & | 1 & | 1 & |
| | | | 3 | 3 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x | 2 & | 2 & | 1 & | 2 & | 1 & |
| | | | 3 | 3 | 2 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 180MHz | 60MHz | 3x | 2 & | 1 & | 2 & | 1 & | 1 & |
| | | | 3 | 2 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x | 2 & | 1 & | 1 & | 2 & | 1 & |
| | | | 3 | 2 | 2 | 3 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP2 | JP10 | JP11 | JP12 | JP13 | JP14 |
|----------+--------+--------+--------+------+------+--------|
| CX6X86 | 2 & 3 | Closed | Open | Open | Open | Open |
|----------+--------+--------+--------+------+------+--------|
| CX686L | 1 & 2 | Open | Open | Open | Open | Closed |
|----------+--------+--------+--------+------+------+--------|
| AM K5 | 2 & 3 | Closed | Open | Open | Open | Open |
|----------+--------+--------+--------+------+------+--------|
| P54C STD | 2 & 3 | Open | Closed | Open | Open | Open |
|----------+--------+--------+--------+------+------+--------|
| P54C VRE | 2 & 3 | Closed | Open | Open | Open | Open |
|----------+--------+--------+--------+------+------+--------|
| P55C | 1 & 2 | Open | Open | Open | Open | Closed |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+