EFA CORPORATION
P5TX-AT
Processor |
CX M1/AM K5/AM K6/Pentium |
Processor Speed |
75/90/100/120/133/150/166/200MHz |
Chip Set |
Intel |
Video Chip Set |
None |
Maximum Onboard Memory |
256MB (EDO supported) |
Maximum Video Memory |
None |
Cache |
256/512KB |
BIOS |
Award |
Dimensions |
250mm 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 |
Serial port 2 |
CN1 |
Speaker |
J18/pins 1, 3, 5, 7 |
Serial port 1 |
CN2 |
Power LED & keylock |
J18/pins 2, 4, 6, 8, 10 |
Parallel port |
CN3 |
Turbo LED |
J18/pins 11 & 12 |
Floppy drive interface |
CN4 |
Green PC connector |
J18/pins 13 & 14 |
IDE interface 2 |
CN5 |
IDE interface LED |
J18/pins 15 & 16 |
IDE interface 1 |
CN6 |
Reset switch |
J18/pins 17 & 18 |
USB connector |
J2 |
Green PC LED |
J18/pins 19 & 20 |
PS/2 mouse port |
J3 |
32-bit PCI slots |
PC1 – PC4 |
IR connector |
J9 |
Cache slot |
SL1 |
External battery |
J10 |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
» |
CMOS memory normal operation |
JP15 |
Pins 1 & 2 closed |
CMOS memory clear |
JP15 |
Pins 2 & 3 closed |
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 |
136MB |
(2) 16M x 36 |
(2) 1M x 36 |
144MB |
(2) 16M x 36 |
(2) 2M x 36 |
DRAM CONFIGURATION (CON’T) | ||
Size |
Bank 0 |
Bank 1 |
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. Board also accepts x 32 SIMMs. Memory installed in Banks 1 & 2 is interchangeable. |
DIMM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
8MB |
(1) 1M x 64 |
None |
16MB |
(1) 2M x 64 |
None |
16MB |
(1) 1M x 64 |
(1) 1M x 64 |
24MB |
(1) 2M x 64 |
(1) 1M x 64 |
32MB |
(1) 4M x 64 |
None |
32MB |
(1) 2M x 64 |
(1) 2M x 64 |
40MB |
(1) 4M x 64 |
(1) 1M x 64 |
48MB |
(1) 4M x 64 |
(1) 2M x 64 |
64MB |
(1) 8M x 64 |
None |
64MB |
(1) 4M x 64 |
(1) 4M x 64 |
72MB |
(1) 8M x 64 |
(1) 1M x 64 |
80MB |
(1) 8M x 64 |
(1) 2M x 64 |
96MB |
(1) 8M x 64 |
(1) 4M x 64 |
128MB |
(1) 8M x 64 |
(1) 8M x 64 |
CACHE CONFIGURATION | ||
Size |
Bank 0 |
SL1 |
256KB |
(2) 32K x 32 |
Not installed |
512KB |
(2) 32K x 32 |
256KB module installed |
CACHE JUMPER CONFIGURATION | |
Size |
JP14 |
256KB |
Pins 1 & 2 closed |
512KB |
Pins 2 & 3 closed |
CPU SPEED SELECTION (CX M1) | |||||||
CPU speed |
Clock speed |
Multiplier |
JP2 |
JP3 |
JP4 |
JP9 |
JP10 |
120MHz |
50MHz |
2x |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
133MHz |
60MHz |
2x |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
150MHz |
66MHz |
2x |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
166MHz |
60MHz |
2x |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
Note: Pins designated should be in the closed position. |
CPU SPEED SELECTION (AM K5) | |||||||
CPU speed |
Clock speed |
Multiplier |
JP2 |
JP3 |
JP4 |
JP9 |
JP10 |
75MHz |
50MHz |
1.5x |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
90MHz |
60MHz |
1.5x |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
100MHz |
66MHz |
1.5x |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
120MHz |
60MHz |
1.5x |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
133MHz |
66MHz |
1.5x |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
150MHz |
60MHz |
1.75x |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
166MHz |
66MHz |
1.75x |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
200MHz |
66MHz |
2x |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
Note: Pins designated should be in the closed position. |
CPU SPEED SELECTION (INTEL) | |||||||
CPU speed |
Clock speed |
Multiplier |
JP2 |
JP3 |
JP4 |
JP9 |
JP10 |
75MHz |
50MHz |
1.5x |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
90MHz |
60MHz |
1.5x |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
100MHz |
66MHz |
1.5x |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
120MHz |
60MHz |
2x |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
133MHz |
66MHz |
2x |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
150MHz |
60MHz |
2.5x |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
166MHz |
66MHz |
2.5x |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
2 & 3 |
200MHz |
66MHz |
3x |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
Note: Pins designated should be in the closed position. |
CPU VOLTAGE SELECTION | ||
Voltage |
JP6 |
JP7 |
2.5v |
Pins 1 & 2 closed |
Pins 1 & 3, 2 & 4 closed |
2.8v |
Pins 3 & 4 closed |
Pins 1 & 3, 2 & 4 closed |
3.3v |
Pins 2 & 4 closed |
Pins 3 & 5, 4 & 6 closed |
3.52v |
Pins 5 & 6 closed |
Pins 3 & 5, 4 & 6 closed |