EVEREX SYSTEMS, INC.
STEP PREMIER
|
Processor |
Pentium |
|
Processor Speed |
75/90/100/120/133/150/166/200MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
512MB (BEDO/EDO supported) |
|
Maximum Video Memory |
None |
|
Cache |
512KB |
|
BIOS |
AMI |
|
Dimensions |
254mm x 218mm |
|
I/O Options |
32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), IR connector, USB connectors (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Floppy drive interface |
CN1 |
Green PC connector |
CN10 pins 10 & 11 |
|
Parallel port |
CN2 |
Green PC LED |
CN10 pins 13 & 14 |
|
Serial port 2 |
CN3 |
Speaker |
CN10 pins 15 - 18 |
|
Serial port 1 |
CN4 |
IDE interface LED |
CN10 pins 20 & 21 |
|
IDE interface 2 |
CN5 |
Remote control power switch |
CN10 pins 23 & 24 |
|
IDE interface 1 |
CN6 |
Reset switch |
CN10 pins 27 & 28 |
|
USB connector |
CN7 |
Chassis fan power |
FAN |
|
USB connector |
CN8 |
IR connector |
IR |
|
PS/2 mouse interface |
CN9 |
Remote control power connector |
RPW |
|
Power LED & keylock |
CN10 pins 1 - 5 |
32-bit PCI slots |
PC1 - PC4 |
|
Turbo LED |
CN10 pins 7 & 8 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
Password normal operation |
CPS |
Open |
|
Password clear |
CPS |
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 |
|
18MB |
(2) 2M x 36 |
(2) 256K x 36 |
|
24MB |
(2) 2M x 36 |
(2) 1M x 36 |
|
32MB |
(2) 4M x 36 |
None |
|
34MB |
(2) 4M x 36 |
(2) 256K 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 |
|
96MB |
(2) 8M x 36 |
(2) 4M x 36 |
|
128MB |
(2) 8M x 36 |
(2) 8M x 36 |
|
256MB |
(2) 16M x 36 |
(2) 16M x 36 |
|
512MB |
(2) 32M x 36 |
(2) 32M x 36 |
|
Note: Board accepts BEDO/EDO memory. | ||
|
CACHE CONFIGURATION | |||
|
Size |
Bank 0 |
Bank 1 |
TAG |
|
512KB |
(2) 32K x 32 |
(2) 32K x 32 |
Unidentified |
|
Note: The size of the TAG chips are unidentified. | |||
|
CPU SPEED SELECTION | ||||||
|
CPU speed |
Clock speed |
Multiplier |
CLK1 |
CLK2 |
FREQ1 |
FREQ2 |
|
75MHz |
50MHz |
1.5x |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
|
90MHz |
60MHz |
1.5x |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
|
100MHz |
66MHz |
1.5x |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
|
120MHz |
60MHz |
2x |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
|
133MHz |
66MHz |
2x |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 |
|
150MHz |
60MHz |
2.5x |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
|
166MHz |
66MHz |
2.5x |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
|
200MHz |
66MHz |
3x |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
|
CPU VOLTAGE SELECTION | ||
|
Voltage |
VR1 |
VR2 |
|
3.384v (P54C STD/VR) |
Pins 1 & 2 closed |
Pins 3 & 4, 5 & 6 closed |
|
3.49v (P54C VRE) |
Pins 3 & 4 closed |
Pins 3 & 4, 5 & 6 closed |
|
2.5v/3.3v (P55C) |
Pins 5 & 6 closed |
Pins 1 & 2 closed |
|
FLASH BIOS SELECTION | |||
|
Type |
EP1 |
EP2 | |
|
SST 29EE010 |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
|
Intel 28F010 |
Pins 1 & 2 closed |
Pins 2 & 3 closed | |
|
Intel 28F001BX-T |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |