A-TREND TECHNOLOGY CORPORATION
ATC-1020
|
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 Memory |
128MB (EDO supported) |
|
Maximum Video Memory |
None |
|
Cache |
256/512KB |
|
BIOS |
Award |
|
Dimensions |
280mm x 220mm |
|
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), cache slot, IR connector, USB connector |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Floppy drive interface |
CN1 |
Reset switch |
J1 pins 1 & 2 |
|
Parallel port |
CN2 |
Green PC connector |
J1 pins 4 & 5 |
|
Serial port 1 |
CN3 |
Turbo LED |
J1 pins 7 & 8 |
|
Serial port 2 |
CN4 |
IDE interface LED |
J1 pins 10 & 11 |
|
IDE interface 1 |
CN5 |
Speaker |
J1 pins 12 - 15 |
|
IDE interface 2 |
CN6 |
Power LED & keylock |
J1 pins 17 - 21 |
|
PS/2 mouse port |
CN7 |
32-bit PCI slots |
PC1 PC4 |
|
Chassis fan power |
FAN |
Cache slot |
SL1 |
|
IR connector |
IR |
USB connector |
USB |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
CMOS memory normal operation |
JP8 |
Open |
|
CMOS memory clear |
JP8 |
Closed | |
|
|
Flash BIOS write protect enabled |
JP19 |
Pins 2 & 3 closed |
|
Flash BIOS write protect disabled |
JP19 |
Pins 1 & 2 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 |
|
DRAM CONFIGURATION (CONT) | ||
|
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. Banks are interchangeable. | ||
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
256KB |
None |
256KB module installed |
(1) 16K/32K x 8 |
|
256KB |
(2) 32K x 32 |
Not installed |
(1) 16K/32K x 8 |
|
512KB |
(2) 64K x 32 |
Not installed |
(1) 16K/32K x 8 |
|
Note: The location of the TAG is unidentified. | |||
|
CACHE TAG CONFIGURATION | |
|
Setting |
JP17 |
|
Enabled |
Closed |
|
Disabled |
Open |
|
CPU SPEED SELECTION (CYRIX) | |||||||
|
CPU speed |
Clock speed |
Multiplier |
JP5 |
JP6 |
JP7 |
JP9 |
JP10 |
|
120MHz |
50MHz |
2x |
Open |
Open |
Open |
1 & 2 |
2 & 3 |
|
133MHz |
55MHz |
50MHz |
Closed |
Closed |
N/A |
1 & 2 |
2 & 3 |
|
150MHz |
60MHz |
2x |
Open |
Closed |
Closed |
1 & 2 |
2 & 3 |
|
166MHz |
66MHz |
2x |
Closed |
Open |
Closed |
1 & 2 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | |||||||
|
CPU SPEED SELECTION (AMD) | |||||||
|
CPU speed |
Clock speed |
Multiplier |
JP5 |
JP6 |
JP7 |
JP9 |
JP10 |
|
75MHz |
50MHz |
1.5x |
Open |
Open |
Open |
1 & 2 |
1 & 2 |
|
90MHz |
60MHz |
1.5x |
Open |
Closed |
Closed |
1 & 2 |
1 & 2 |
|
100MHz |
66MHz |
1.5x |
Closed |
Open |
Closed |
1 & 2 |
1 & 2 |
|
120MHz |
60MHz |
1.5x |
Open |
Closed |
Closed |
1 & 2 |
1 & 2 |
|
133MHz |
66MHz |
1.5x |
Closed |
Open |
Closed |
1 & 2 |
1 & 2 |
|
166MHz |
66MHz |
2x |
Closed |
Open |
Closed |
1 & 2 |
2 & 3 |
|
Note: Pins designated should be in the closed position. | |||||||
|
CPU SPEED SELECTION (INTEL) | |||||||
|
CPU speed |
Clock speed |
Multiplier |
JP5 |
JP6 |
JP7 |
JP9 |
JP10 |
|
75MHz |
50MHz |
1.5x |
Open |
Open |
Open |
1 & 2 |
1 & 2 |
|
90MHz |
60MHz |
1.5x |
Open |
Closed |
Closed |
1 & 2 |
1 & 2 |
|
100MHz |
66MHz |
1.5x |
Closed |
Open |
Closed |
1 & 2 |
1 & 2 |
|
120MHz |
60MHz |
2x |
Open |
Closed |
Closed |
1 & 2 |
2 & 3 |
|
133MHz |
66MHz |
2x |
Closed |
Open |
Closed |
1 & 2 |
2 & 3 |
|
150MHz |
60MHz |
2.5x |
Open |
Closed |
Closed |
2 & 3 |
2 & 3 |
|
166MHz |
66MHz |
2.5x |
Closed |
Open |
Closed |
2 & 3 |
2 & 3 |
|
180MHz |
60MHz |
3x |
Open |
Closed |
Closed |
2 & 3 |
1 & 2 |
|
200MHz |
66MHz |
3x |
Closed |
Open |
Closed |
2 & 3 |
1 & 2 |
|
Note: Pins designated should be in the closed position. | |||||||
|
CPU TYPE SELECTION | ||
|
Type |
JP11 |
JP14 |
|
CX6X86 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
CX6X86L |
Pins 2 & 3 closed |
Pins 7 & 8 closed |
|
AM K5 |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
P54C STD |
Pins 1 & 2 closed |
Pins 3 & 4 closed |
|
P54C VRE |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
|
P55C |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
|
CPU VOLTAGE SELECTION (P55C ONLY) | |
|
Voltage |
JP14 |
|
2.7v |
Pins 9 & 10 closed |
|
2.8v |
Pins 7 & 8 closed |
|
2.9v |
Pins 5 & 6 closed |
|
3.3v |
Pins 3 & 4 closed |
|
3.5v |
Pins 1 & 2 closed |