TEXT View Source
# 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 128MB (EDO supported)
Memory
Maximum Video 1MB
Memory
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
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| Serial port 1 | CN1 | Auxiliarty | EXKB |
| | | keyboard | |
| | | connector | |
|------------------+----------+-------------------+----------|
| VGA port | CN2 | Green PC | GRN |
| | | connector | |
|------------------+----------+-------------------+----------|
| Serial port 2 | CN3 | IDE interface LED | HDL |
|------------------+----------+-------------------+----------|
| Parallel port | CN4 | Reset switch | JP8 |
|------------------+----------+-------------------+----------|
| Floppy drive | CN5 | Power LED & | KBL |
| interface | | keylock | |
|------------------+----------+-------------------+----------|
| IDE interface 1 | CN6 | Speaker | SPK |
|------------------+----------+-------------------+----------|
| IDE interface 2 | CN7 | Turbo LED | TBL |
|------------------+----------+-------------------+----------|
| Flat panel | CN8 | PC104 connector | 104AB |
| connector | | | |
|------------------+----------+-------------------+----------|
| PS/2 mouse | CN9 | PC104 connector | 104CD |
| port/keyboard | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | Clock | Multiplier | JP2 | JP3 | JP4 | JP6 |
| speed | speed | | | | | |
|--------+--------+------------+------+------+--------+------|
| 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 | Clock | Multiplier | JP2 | JP3 | JP4 | JP6 |
| speed | speed | | | | | |
|--------+-------+------------+--------+--------+------+-----|
| 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 |
|------------+-----------------------------------------------|
| ยป | 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 | Pins 2 & 3 closed | Pins 2 & 3 closed |
| keyboard | | |
|--------------------+-------------------+-------------------|
| CN8 used as PS/2 | Pins 1 & 2 closed | Pins 1 & 2 closed |
| mouse | | |
+------------------------------------------------------------+