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# AXIOM TECHNOLOGY, INC.
AX8245H
Processor 80486SX/CX486DX/AM486WB/AM486DX/80486DX/CX486DX2/
AM486DX2/80486DX2/CX486DX4/AM486DX4/80486DX4/CX5X86/ AM5X86
Processor 25/33/40/50(internal)/66(internal)/75(internal)/80(internal)/
Speed 100(internal)/120(internal)/133(internal)MHz
Chip Set Unidentified
Video Chip Unidentified
Set
Maximum 64MB
Onboard
Memory
Maximum 1MB
Video
Memory
Cache 128/256/512KB
BIOS Award
Dimensions 185mm x 122mm
I/O Floppy drive interface, green PC connector, IDE interface,
Options parallel port, PS/2 mouse port/keyboard, serial ports (2),
VGA port, flat panel connector, PC104 connectors (2)
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+---------------------+----------|
| Serial port 1 | CN1 | Auxiliary keyboard | EXKB |
| | | connector | |
|----------------+----------+---------------------+----------|
| VGA port | CN2 | Turbo LED | JP2 |
|----------------+----------+---------------------+----------|
| Serial port 2 | CN3 | IDE interface LED | JP3 |
|----------------+----------+---------------------+----------|
| Parallel port | CN4 | Reset switch | JP5 |
|----------------+----------+---------------------+----------|
| IDE interface | CN5 | Power LED & keylock | JP8 |
|----------------+----------+---------------------+----------|
| Floppy drive | CN6 | Green PC connector | JP10 |
| interface | | | |
|----------------+----------+---------------------+----------|
| Flat panel | CN7 | PC104 connector | 104AB |
| connector | | | |
|----------------+----------+---------------------+----------|
| PS/2 mouse | CN8 | PC104 connector | 104CD |
| port/keyboard | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|------------------------------------+-------+---------------|
| » | CN8 used as keyboard connector | JP13 | Pins 2 & 3, 5 |
| | | | & 6 closed |
|---+--------------------------------+-------+---------------|
| | CN8 used as PS/2 mouse port | JP13 | Pins 1 & 2, 4 |
| | | | & 5 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|------------------------------------------------------------|
| Speed | JP4 |
|--------------------------+---------------------------------|
| 25MHz | Pins 3 & 4 closed |
|--------------------------+---------------------------------|
| 33MHz | Pins 1 & 2, 3 & 4, 5 & 6 closed |
|--------------------------+---------------------------------|
| 40MHz | Pins 1 & 2, 5 & 6 closed |
|--------------------------+---------------------------------|
| 50iMHz | Pins 3 & 4 closed |
|--------------------------+---------------------------------|
| 66iMHz | Pins 1 & 2, 3 & 4, 5 & 6 closed |
|--------------------------+---------------------------------|
| 75iMHz | Pins 3 & 4 closed |
|--------------------------+---------------------------------|
| 80iMHz | Pins 1 & 2, 5 & 6 closed |
|--------------------------+---------------------------------|
| 100iMHz | Pins 1 & 2, 3 & 4, 5 & 6 closed |
|--------------------------+---------------------------------|
| 120iMHz | Pins 1 & 2, 5 & 6 closed |
|--------------------------+---------------------------------|
| 133iMHz | Pins 1 & 2, 3 & 4, 5 & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP7 |
|------------+-----------------------------------------------|
| 80486SX | 5 & 6, 11 & 12, 13 & 15, 14 & 16, 19 & 20, 22 |
| | & 24 |
|------------+-----------------------------------------------|
| CX486DX | 1 & 2, 6 & 8, 9 & 10, 11 & 13, 14 & 16, 15 & |
| | 17, 19 & 21, 22 & 24, 25 & 26 |
|------------+-----------------------------------------------|
| AM486 WB | 1 & 3, 5 & 6, 8 & 10, 11 & 12, 13 & 15, 14 & |
| | 16, 19 & 21, 23 & 24, 25 & 26 |
|------------+-----------------------------------------------|
| AM486DX | 4 & 6, 9 & 11, 15 & 16, 19 & 21, 22 & 24, 25 |
| | & 26 |
|------------+-----------------------------------------------|
| 80486DX | 5 & 6, 11 & 12, 13 & 15, 14 & 16, 19 & 21, 22 |
| | & 24, 25 & 26 |
|------------+-----------------------------------------------|
| CX486DX2 | 1 & 2, 6 & 8, 9 & 10, 11 & 13, 14 & 16, 15 & |
| | 17, 19 & 21, 22 & 24, 25 & 26 |
|------------+-----------------------------------------------|
| AM486DX2 | 4 & 6, 9 & 11, 15 & 16, 17 & 18, 19 & 21, 22 |
| | & 24, 25 & 26 |
|------------+-----------------------------------------------|
| 80486DX2 | 5 & 6, 11 & 12, 13 & 15, 14 & 16, 19 & 21, 22 |
| | & 24, 25 & 26 |
|------------+-----------------------------------------------|
| CX486DX4 | 1 & 2, 6 & 8, 9 & 10, 11 & 13, 14 & 16, 15 & |
| | 17, 19 & 21, 22 & 24, 25 & 26 |
|------------+-----------------------------------------------|
| AM486DX4 | 4 & 6, 9 & 11, 15 & 16, 19 & 21, 22 & 24, 25 |
| | & 26 |
|------------+-----------------------------------------------|
| 80486DX4 | 5 & 6, 11 & 12, 13 & 15, 14 & 16, 19 & 21, 22 |
| | & 24, 25 & 26 |
|------------+-----------------------------------------------|
| CX5X86 | 1 & 3, 5 & 6, 8 & 10, 11 & 12, 13 & 15, 14 & |
| | 16, 19 & 21, 23 & 24, 25 & 26 |
|------------+-----------------------------------------------|
| CX5X86-133 | 1 & 3, 5 & 6, 7 & 9, 8 & 10, 11 & 12, 14 & |
| | 16, 15 & 17, 19 & 21, 23 & 24, 25 & 26 |
|------------+-----------------------------------------------|
| AM5X86 | 1 & 3, 5 & 6, 7 & 9, 8 & 10, 11 & 12, 13 & |
| | 15, 14 & 16, 19 & 21, 23 & 24, 25 & 26 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP9 |
|----------------------------+-------------------------------|
| » | 3.3v | Pins 2 & 3 closed |
|---+------------------------+-------------------------------|
| | 5v | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | JP4 |
|----------------------------+-------------------------------|
| » | IRQ4 | Pins 7 & 8 closed |
|----+-----------------------+-------------------------------|
| | IRQ11 | Pins 8 & 10 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | JP4 |
|----------------------------+-------------------------------|
| » | IRQ3 | Pins 9 & 11 closed |
|----+-----------------------+-------------------------------|
| | IRQ10 | Pins 11 & 12 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 SELECTION |
|------------------------------------------------------------|
| Setting | JP6 |
|------------+-----------------------------------------------|
| » | RS-232 | Pins 1 & 2 closed |
|---+--------+-----------------------------------------------|
| | RS-422 | Pins 1 & 3, 5 & 6, 7 & 8, 9 & 10, 11 & 12 |
| | | closed |
|---+--------+-----------------------------------------------|
| | RS-485 | Pins 1 & 3, 4 & 6, 7 & 8, 9 & 10, 11 & 12, 13 |
| | | & 14, 15 & 16 closed |
+------------------------------------------------------------+