AXIOM TECHNOLOGY, INC.
SBC8257
|
Processor |
CX M1/AM K5/Pentium |
|
Processor Speed |
75/90/100/120/133/150/166/200MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
Unidentified |
|
Maximum Onboard Memory |
128MB (EDO supported) |
|
Maximum Video Memory |
1MB |
|
Cache |
256/512KB |
|
BIOS |
Award |
|
Dimensions |
185mm x 122mm |
|
I/O Options |
Floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port/keyboard, serial ports (2), VGA port, flat panel connector, PC104 connectors (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 1 |
CN1 |
Auxiliarty keyboard connector |
EXKB |
|
VGA port |
CN2 |
Green PC connector |
GRN |
|
Serial port 2 |
CN3 |
IDE interface LED |
HDL |
|
Parallel port |
CN4 |
Reset switch |
JP8 |
|
Floppy drive interface |
CN5 |
Power LED & keylock |
KBL |
|
IDE interface 1 |
CN6 |
Speaker |
SPK |
|
IDE interface 2 |
CN7 |
Turbo LED |
TBL |
|
Flat panel connector |
CN8 |
PC104 connector |
104AB |
|
PS/2 mouse port/keyboard |
CN9 |
PC104 connector |
104CD |
|
DRAM CONFIGURATION | ||
|
Size |
Bank 0 |
Bank 1 |
|
1MB |
(1) 256K x 36 |
None |
|
2MB |
(1) 256K x 36 |
(1) 256K x 36 |
|
2MB |
(1) 512K x 36 |
None |
|
3MB |
(1) 256K x 36 |
(1) 512K x 36 |
|
4MB |
(1) 512K x 36 |
(1) 512K x 36 |
|
4MB |
(1) 1M x 36 |
None |
|
5MB |
(1) 256K x 36 |
(1) 1M x 36 |
|
6MB |
(1) 512K x 36 |
(1) 1M x 36 |
|
8MB |
(1) 1M x 36 |
(1) 1M x 36 |
|
8MB |
(1) 2M x 36 |
None |
|
10MB |
(1) 512K x 36 |
(1) 2M x 36 |
|
12MB |
(1) 1M x 36 |
(1) 2M x 36 |
|
16MB |
(1) 2M x 36 |
(1) 2M x 36 |
|
20MB |
(1) 1M x 36 |
(1) 4M x 36 |
|
24MB |
(1) 2M x 36 |
(1) 4M x 36 |
|
32MB |
(1) 4M x 36 |
(1) 4M x 36 |
|
32MB |
(1) 8M x 36 |
None |
|
36MB |
(1) 1M x 36 |
(1) 8M x 36 |
|
40MB |
(1) 2M x 36 |
(1) 8M x 36 |
|
48MB |
(1) 4M x 36 |
(1) 8M x 36 |
|
64MB |
(1) 8M x 36 |
(1) 8M x 36 |
|
96MB |
(1) 8M x 36 |
(1) 16M x 36 |
|
128MB |
(1) 16M x 36 |
(1) 16M x 36 |
|
Note: Board accepts EDO memory. | ||
|
CACHE CONFIGURATION |
|
Note: The location of the cache is unidentified. |
|
VIDEO MEMORY CONFIGURATION |
|
Note: 1MB video memory is factory installed and not configurable. |
|
CPU SPEED SELECTION (CYRIX) | ||||||
|
CPU speed |
Clock speed |
Multiplier |
JP2 |
JP3 |
JP4 |
JP6 |
|
120MHz |
50MHz |
2x |
Open |
Open |
Closed |
3 & 5, 4 & 6 |
|
150MHz |
60MHz |
2x |
Open |
Open |
Closed |
1 & 3, 4 & 6 |
|
166MHz |
66MHz |
2x |
Open |
Open |
Closed |
2 & 4, 3 & 5 |
|
Note: Pins designated should be in the closed position. | ||||||
|
CPU SPEED SELECTION (AMD) |
|
Note: AMD CPU configuration is unidentified. |
|
CPU SPEED SELECTION (INTEL) | ||||||
|
CPU speed |
Clock speed |
Multiplier |
JP2 |
JP3 |
JP4 |
JP6 |
|
75MHz |
50MHz |
1.5x |
Open |
Open |
Open |
3 & 5, 4 & 6 |
|
90MHz |
60MHz |
1.5x |
Open |
Open |
Open |
1 & 3, 4 & 6 |
|
100MHz |
66MHz |
1.5x |
Open |
Open |
Open |
2 & 4, 3 & 5 |
|
120MHz |
60MHz |
2x |
Closed |
Open |
Open |
1 & 3, 4 & 6 |
|
133MHz |
66MHz |
2x |
Closed |
Open |
Open |
2 & 4, 3 & 5 |
|
150MHz |
50MHz |
2.5x |
Open |
Closed |
Open |
3 & 5, 4 & 6 |
|
166MHz |
66MHz |
2.5x |
Closed |
Closed |
Open |
2 & 4, 3 & 5 |
|
200MHz |
66MHz |
3x |
Open |
Closed |
Open |
2 & 4, 3 & 5 |
|
Note: Pins designated should be in the closed position. | ||||||
|
CPU VOLTAGE SELECTION | |
|
Voltage |
JP5 |
|
2.5v |
Pins 5 & 6 closed |
|
2.7v |
Pins 7 & 8 closed |
|
3.3v |
Pins 1 & 2 closed |
|
3.52v |
Pins 3 & 4 closed |
|
SERIAL PORT 2 SELECTION | ||
|
Setting |
JP7 | |
|
RS-232 |
1 & 2 | |
|
RS-422 |
1 & 3, 5 & 6, 7 & 8, 9 & 10, 11 & 12, 17 & 18, 19 & 20, 21 & 22, 23 & 24 | |
|
RS-485 |
1 & 3, 4 & 6, 7 & 8, 9 & 10, 11 & 12, 13 & 14, 15 & 16, 17 & 18, 19 & 20, 21 & 22, 23 & 24 | |
|
Note: Pins designated should be in the closed position. | ||
|
KYEBOARD/MOUSE SELECTION | ||
|
Setting |
JP9 |
JP10 |
|
CN8 used as keyboard |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
|
CN8 used as PS/2 mouse |
Pins 1 & 2 closed |
Pins 1 & 2 closed |