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 |