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# AXIOM TECHNOLOGY, INC.
AX8125
Processor 80386DX/CX486SLC
Processor Speed 20/25/33/40MHz
Chip Set ALI
Video Chip Set None
Maximum Onboard 16MB
Memory
Maximum Video None
Memory
Cache None
BIOS AMI
Dimensions Unidentified
I/O Options Floppy drive interface, IDE interface,
parallel port, PS/2 mouse port, PS/2 mouse
interface, serial ports (2), PC104 connectors
(2)
NPU Options 80387DX
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| IDE interface | CN1 | PC104 connector | CN9 |
|-------------------+----------+------------------+----------|
| Turbo LED | CN2 | Parallel port | CN10 |
|-------------------+----------+------------------+----------|
| IDE interface LED | CN3 | Serial port 1 | CN11 |
|-------------------+----------+------------------+----------|
| Reset switch | CN4 | Auxiliary | CN13 |
| | | keyboard | |
| | | connector | |
|-------------------+----------+------------------+----------|
| Speaker | CN5 | PS/2 mouse | CN14 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Power LED & | CN6 | Serial port 2 | CN15 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN7 | PS/2 mouse port | CN17 |
| interface | | | |
|-------------------+----------+------------------+----------|
| PC104 connector | CN8 | External battery | CN18 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | Floppy drive interface enabled | J1 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Floppy drive interface disabled | J1 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | IDE interface enabled | J2 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | IDE interface disabled | J2 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Parallel port address select | J5 | Pins 1 & 2 |
| | 378-37F | | closed |
|---+-----------------------------------+-------+------------|
| | Parallel port address select | J5 | Pins 2 & 3 |
| | 278-27F | | closed |
|---+-----------------------------------+-------+------------|
| » | Serial port 1 enabled | J6 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Serial port 1 disabled | J6 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Serial port 1 COM select COM1 | J7 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Serial port 1 COM select COM3 | J7 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Serial port 2 enabled | J8 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Serial port 2 disabled | J8 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Serial port 2 COM select COM2 | J9 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Serial port 2 COM select COM4 | J9 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Parallel port IRQ select IRQ7 | J10 | Pins 13 & |
| | | | 14 closed |
|---+-----------------------------------+-------+------------|
| | Parallel port IRQ select IRQ5 | J10 | Pins 15 & |
| | | | 16 closed |
|---+-----------------------------------+-------+------------|
| » | NPU aynchronous with CPU | J11 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | NPU synchronous with CPU | J11 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Parity check enabled | J22 | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Parity check disabled | J22 | Pins 1 & 2 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (2) 256K x 9 | (2) 256K x 9 |
|------------------+--------------------+--------------------|
| 2MB | (2) 1M x 9 | None |
|------------------+--------------------+--------------------|
| 4MB | (2) 1M x 9 | (2) 1M x 9 |
|------------------+--------------------+--------------------|
| 8MB | (2) 4M x 9 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 4M x 9 | (2) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | J20 | J21 |
|------------------+--------------------+--------------------|
| 20MHz | Pins 2 & 3 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 25MHz | Pins 1 & 2 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 33MHz | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 40MHz | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | J10 |
|----------------------------+-------------------------------|
| | IRQ3 | Pins 3 & 4 closed |
|-----+----------------------+-------------------------------|
| » | IRQ4 | Pins 1 & 2 closed |
|-----+----------------------+-------------------------------|
| | IRQ5 | Pins 5 & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | J10 |
|----------------------------+-------------------------------|
| » | IRQ3 | Pins 7 & 8 closed |
|----+-----------------------+-------------------------------|
| | IRQ4 | Pins 9 & 10 closed |
|----+-----------------------+-------------------------------|
| | IRQ5 | Pins 11 & 12 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT MODE SELECTION |
|------------------------------------------------------------|
| Setting | J3 | J4 |
|------------------+--------------------+--------------------|
| | Disabled | Pins 2 & 3 closed | Pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| » | SPP | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | EPP | Pins 1 & 2 closed | Pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | ECP | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BANK 2 RAM/ROM/FLASH DISK SELECTION |
|------------------------------------------------------------|
| Type | J13 | J14 | J15 | J16 | J17 |
|------------------+--------+--------+-------+-------+-------|
| | Flash 29F010 | 1 & 2 | Open | 1 & 2 | 1 & 2 | Open |
|---+--------------+--------+--------+-------+-------+-------|
| | Flash 29F040 | 1 & 2 | Open | 1 & 2 | 1 & 2 | 1 & 2 |
|---+--------------+--------+--------+-------+-------+-------|
| » | SRAM 58C1000 | 2 & 3 | Open | 2 & 3 | 2 & 3 | 2 & 3 |
|---+--------------+--------+--------+-------+-------+-------|
| | SRAM 58C4000 | 2 & 3 | Open | 2 & 3 | 2 & 3 | 1 & 2 |
|---+--------------+--------+--------+-------+-------+-------|
| | EPROM 27C512 | Open | Open | 1 & 2 | 1 & 2 | 2 & 3 |
|---+--------------+--------+--------+-------+-------+-------|
| | EPROM 27C010 | 1 & 2 | Open | 1 & 2 | 1 & 2 | Open |
|---+--------------+--------+--------+-------+-------+-------|
| | EPROM 27C020 | 1 & 2 | Open | 1 & 2 | 1 & 2 | 1 & 2 |
|---+--------------+--------+--------+-------+-------+-------|
| | EPROM 27C040 | Open | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| WATCHDOG TIMER SELECTION |
|------------------------------------------------------------|
| Setting | J12 |
|----------------------------------------+-------------------|
| » | Active NMI to CPU IRQ system when | Pins 1 & 2 closed |
| | WDT time out | |
|---+------------------------------------+-------------------|
| | Reset system when WDT time out | Pins 2 & 3 closed |
|---+------------------------------------+-------------------|
| | Disabled | Open |
+------------------------------------------------------------+