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# AXIOM TECHNOLOGY, INC.
AX8175
Processor 80486SX/80487SX/CX486DX/AM486DX/80486DX/CX486DX2/
AM486DX2/80486DX2/CX486DX4/AM486DX4/80486DX4/
Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set UMC
Video Chip None
Set
Maximum 64MB
Onboard
Memory
Maximum None
Video
Memory
Cache 128KB
BIOS AMI
Dimensions Unidentified
I/O Ethernet 10BaseT connectors (2), floppy drive interface, IDE
Options interface, parallel port, PS/2 mouse interface, serial ports (2),
VGA interface, flat panel interface, PC/104 connectors (8-bit) (2),
PC/104 connectors (16-bit) (2)
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Watchdog timer | CN1 | Floppy drive | CN13 |
| trigger input | | interface | |
|-------------------+----------+------------------+----------|
| External power | CN2 | PC/104 connector | CN14 |
| connector | | (16-bit) | |
|-------------------+----------+------------------+----------|
| External watchdog | CN3 | PC/104 connector | CN15 |
| output | | (8-bit) | |
|-------------------+----------+------------------+----------|
| PC/104 connector | CN4 | Speaker | CN16 |
| (8-bit) | | | |
|-------------------+----------+------------------+----------|
| PC/104 connector | CN5 | Turbo LED | CN18 |
| (16-bit) | | | |
|-------------------+----------+------------------+----------|
| Ethernet 10BaseT | CN6 | IDE interface | CN19 |
| connector (RJ-45) | | LED | |
|-------------------+----------+------------------+----------|
| Ethernet 10BaseT | CN7 | Reset switch | CN20 |
| connector (AUI) | | | |
|-------------------+----------+------------------+----------|
| External battery | CN8 | Auxiliary | CN21 |
| | | keyboard | |
| | | connector | |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN9 | PS/2 mouse | CN22 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN10 | Flat panel | CN23 |
| | | interface | |
|-------------------+----------+------------------+----------|
| Parallel port | CN11 | VGA interface | CN24 |
|-------------------+----------+------------------+----------|
| IDE interface | CN12 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------+-------+----------------|
| » | SHFCLK select normal | J7 | Pins 1 & 2 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| | SHFCLK select inverted | J7 | Pins 2 & 3 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| » | On board video enabled | J11 | Pins 1 & 2 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| | On board video disabled | J11 | Pins 2 & 3 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| » | Parallel port IRQ select IRQ7 | J12 | Pins 1 & 2 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| | Parallel port IRQ select IRQ5 | J12 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (1) 256K x 36 | None |
|------------------+--------------------+--------------------|
| 2MB | (1) 512K x 36 | None |
|------------------+--------------------+--------------------|
| 2MB | (1) 256K x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 3MB | (1) 512K x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 4MB | (1) 512K x 36 | (1) 512K x 36 |
|------------------+--------------------+--------------------|
| 4MB | (1) 1M x 36 | None |
|------------------+--------------------+--------------------|
| 5MB | (1) 1M x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 6MB | (1) 1M x 36 | (1) 512K x 36 |
|------------------+--------------------+--------------------|
| 8MB | (1) 2M x 36 | None |
|------------------+--------------------+--------------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 9MB | (1) 2M x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 10MB | (1) 2M x 36 | (1) 512K x 36 |
|------------------+--------------------+--------------------|
| 12MB | (1) 2M x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (1) 4M x 36 | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 17MB | (1) 4M x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 18MB | (1) 4M x 36 | (1) 512K x 36 |
|------------------+--------------------+--------------------|
| 20MB | (1) 4M x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (1) 4M x 36 | (1) 2M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (1) 8M x 36 | None |
|------------------+--------------------+--------------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 |
|------------------+--------------------+--------------------|
| 33MB | (1) 8M x 36 | (1) 256K x 36 |
|------------------+--------------------+--------------------|
| 36MB | (1) 8M x 36 | (1) 1M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (1) 8M x 36 | (1) 2M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (1) 8M x 36 | (1) 4M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (1) 8M x 36 | (1) 8M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: The location of the 128KB cache is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | J8 | J9 | J10 |
|---------+----------------+----------------+----------------|
| 25MHz | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 33MHz | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 40MHz | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 50iMHz | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 50MHz | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 66iMHz | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 75iMHz | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 100iMHz | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | J15 | J16 |
|------------+--------------------+--------------------------|
| 80486SX | Open | Pins 2 & 3 closed |
|------------+--------------------+--------------------------|
| 80487SX | Open | Pins 2 & 3 closed |
|------------+--------------------+--------------------------|
| CX486DX | Pins 1 & 2 closed | Pins 1 & 2, 3 & 4 closed |
|------------+--------------------+--------------------------|
| AM486DX | Pins 1 & 2 closed | Pins 1 & 2, 3 & 4 closed |
|------------+--------------------+--------------------------|
| 80486DX | Pins 1 & 2 closed | Pins 1 & 2, 3 & 4 closed |
|------------+--------------------+--------------------------|
| CX486DX2 | Pins 1 & 2 closed | Pins 1 & 2, 3 & 4 closed |
|------------+--------------------+--------------------------|
| AM486DX2 | Pins 1 & 2 closed | Pins 1 & 2, 3 & 4 closed |
|------------+--------------------+--------------------------|
| 80486DX2 | Pins 1 & 2 closed | Pins 1 & 2, 3 & 4 closed |
|------------+--------------------+--------------------------|
| CX486DX4 | Pins 1 & 2 closed | Pins 1 & 2, 3 & 4 closed |
|------------+--------------------+--------------------------|
| AM486DX4 | Pins 1 & 2 closed | Pins 1 & 2, 3 & 4 closed |
|------------+--------------------+--------------------------|
| 80486DX4 | Pins 1 & 2 closed | Pins 1 & 2, 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | J13 | J14 |
|------------------+--------------------+--------------------|
| » | 3.3v | Pins 2 & 3 closed | Pins 2 & 3 closed |
|---+--------------+--------------------+--------------------|
| | 3.45v | Pins 2 & 3 closed | Pins 1 & 2 closed |
|---+--------------+--------------------+--------------------|
| | 5v | Pins 1 & 2 closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| RAM/ROM/FLASH DISK SELECTION |
|------------------------------------------------------------|
| Type | J1 | J2 | J3 | J4 | J5 |
|---------------+---------+---------+--------+-------+-------|
| | 29F010 | Open | Open | 1 & 2 | 1 & 2 | 1 & 2 |
|----+----------+---------+---------+--------+-------+-------|
| » | 29F040 | 1 & 2 | Open | 1 & 2 | 1 & 2 | 1 & 2 |
|----+----------+---------+---------+--------+-------+-------|
| | 58C1000 | 2 & 3 | Open | 2 & 3 | 2 & 3 | 2 & 3 |
|----+----------+---------+---------+--------+-------+-------|
| | 58C4000 | 1 & 2 | Open | 2 & 3 | 2 & 3 | 2 & 3 |
|----+----------+---------+---------+--------+-------+-------|
| | 27C512 | 2 & 3 | Open | Open | 1 & 2 | 1 & 2 |
|----+----------+---------+---------+--------+-------+-------|
| | 27C010 | Open | Open | 1 & 2 | 1 & 2 | 1 & 2 |
|----+----------+---------+---------+--------+-------+-------|
| | 27C020 | 1 & 2 | Open | 1 & 2 | 1 & 2 | 1 & 2 |
|----+----------+---------+---------+--------+-------+-------|
| | 27C040 | 1 & 2 | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| WATCH DOG SELECTION |
|------------------------------------------------------------|
| Type | J6 |
|----------------------------------+-------------------------|
| » | Watch Dog active NMI | Pins 1 & 2 closed |
|---+------------------------------+-------------------------|
| | Watch Dog reset system | Pins 2 & 3 closed |
|---+------------------------------+-------------------------|
| | Watch Dog disabled | Open |
+------------------------------------------------------------+