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# AMPTRON INTERNATIONAL, INC.
DX-9500 VER. 1.0
Processor CX486DX/IBM486DX/TI486DX/SGS486DX/80486DX/CX486DX2/IBM486DX2/ …
TI486DX2/SGS486DX2/AM486DX2/80486DX2/CX486DX4/IBM486DX4/ …
TI486DX4/SGS486DX4/AM486DX4/80486DX4/P24D/P24T/CX5X86/AM K5 …
Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/100(…
Speed 120(internal)MHz …
Chip Set UMC …
Max. 256MB …
Onboard
DRAM
Cache 64/128/256/512/1024KB …
BIOS AMI …
Dimensions 254mm x 218mm …
I/O 32-bit VESA local bus slot, 32-bit PCI slots (3), floppy drive inter…
Options green PC connector, IDE interfaces (2), parallel port, serial ports …
NPU none …
Options
IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN1 | Reset switch | JP13 |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN2 | Green PC | JP14 |
| | | connector | |
|-------------------+----------+------------------+----------|
| Floppy drive | CN3 | IDE interface | JP15 |
| interface | | LED | |
|-------------------+----------+------------------+----------|
| Parallel port | CN4 | Power LED & | JP16 |
| | | keylock | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | CN5 | Speaker | JP17 |
|-------------------+----------+------------------+----------|
| IDE interface 1 | CN6 | Turbo LED | JP18 |
|-------------------+----------+------------------+----------|
| Green PC | JP1 | 32-bit PCI slots | PC1 - |
| connector | | | PC3 |
| (monitor) | | | |
|-------------------+----------+------------------+----------|
| External battery | JP2 | 32-bit VESA | SL1 |
| | | local bus slot | |
|-------------------+----------+------------------+----------|
| Turbo switch | JP12 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| | Battery type select internal | JP2 | Pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Battery type select external | JP2 | Closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP2 | Pins 3 & 4 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP3 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP4 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| | Flash BIOS voltage select 5v | JP5 | Pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Flash BIOS voltage select 12v | JP5 | Pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP6 | N/A |
| | alter | | |
|------------------------------------------------------------|
| Note: The location of JP5 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (1) 256K x | None | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | None | None |
| | 36 | 36 | | |
|------+-------------+-------------+------------+------------|
| 3MB | (1) 256K x | (1) 256K x | (1) 256K x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 1M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 1M x 36 | (1) 256K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 256K x | (1) 1M x 36 | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 7MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 2M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 9MB | (1) 2M x 36 | (1) 256K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 9MB | (1) 256K x | (1) 1M x 36 | (1) 1M x | None |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 9MB | (1) 256K x | (1) 2M x 36 | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 2M x 36 | (1) 256K x | (1) 256K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 11MB | (1) 2M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 2M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 13MB | (1) 256K x | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | 36 | | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 4M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 17MB | (1) 4M x 36 | (1) 256K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 17MB | (1) 256K x | (1) 2M x 36 | (1) 2M x | None |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 17MB | (1) 256K x | (1) 4M x 36 | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 4M x 36 | (1) 256K x | (1) 256K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 19MB | (1) 4M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 4M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 2M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 1M x 36 | (1) 4M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 4M x 36 | (1) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 4M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 25MB | (1) 256K x | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 28MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 28MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 8M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 33MB | (1) 8M x 36 | (1) 256K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 33MB | (1) 256K x | (1) 4M x 36 | (1) 4M x | None |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 33MB | (1) 256K x | (1) 8M x 36 | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 34MB | (1) 8M x 36 | (1) 256K x | (1) 256K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 35MB | (1) 8M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 8M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 36MB | (1) 1M x 36 | (1) 8M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 8M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 8M x 36 | (1) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 4M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 2M x 36 | (1) 4M x 36 | (1) 4M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 40MB | (1) 2M x 36 | (1) 8M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 44MB | (1) 8M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 8M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 8M x 36 | (1) 4M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 8M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 49MB | (1) 256K x | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | 36 | | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 52MB | (1) 1M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 56MB | (1) 8M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 56MB | (1) 2M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 4M x | (1) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x | None | None |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 65MB | (1) 256K x | (1) 8M x | (1) 8M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 68MB | (1) 1M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 2M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 8M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 4M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 97MB | (1) 256K x | (1) 8M x | (1) 8M x | (1) 8M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 100MB | (1) 1M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 104MB | (1) 2M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 112MB | (1) 4M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 32M x | None | None | None |
| | 36 | | | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 129MB | (1) 32M x | (1) 256K x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 131MB | (1) 32M x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 132MB | (1) 32M x | (1) 1M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 136MB | (1) 32M x | (1) 1M x | (1) 1M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 136MB | (1) 32M x | (1) 2M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 140MB | (1) 32M x | (1) 1M x | (1) 1M x | (1) 1M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 144MB | (1) 32M x | (1) 2M x | (1) 2M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 144MB | (1) 32M x | (1) 4M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 152MB | (1) 32M x | (1) 2M x | (1) 2M x | (1) 2M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 160MB | (1) 32M x | (1) 4M x | (1) 4M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 160MB | (1) 32M x | (1) 8M x | None | None |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 176MB | (1) 32M x | (1) 4M x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 192MB | (1) 32M x | (1) 8M x | (1) 8M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 224MB | (1) 32M x | (1) 8M x | (1) 8M x | (1) 8M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 256MB | (1) 64M x | None | None | None |
| | 36 | | | |
|-------+-------------+------------+------------+------------|
| 256MB | (1) 32M x | (1) 32M x | None | None |
| | 36 | 36 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|-------------+---------------+---------------+--------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |
|-------------+---------------+---------------+--------------|
| 128KB | (4) 32K x 8 | None | (1) 8K x 8 |
|-------------+---------------+---------------+--------------|
| 256KB (A) | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
|-------------+---------------+---------------+--------------|
| 256KB (B) | (4) 64K x 8 | None | (1) 32K x 8 |
|-------------+---------------+---------------+--------------|
| 512KB (A) | (4) 64K x 8 | (4) 64K x 8 | (1) 32K x 8 |
|-------------+---------------+---------------+--------------|
| 512KB (B) | (4) 128K x 8 | None | (1) 32K x 8 |
|-------------+---------------+---------------+--------------|
| 1MB | (4) 128K x 8 | (4) 128K x 8 | (1) 64K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Note: Settings for JP8 & JP9 are not available from |
| manufacturer. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP10 | JP11 | JP24 | JP25 | JP26 |
|---------------+-------+-------+----------+-------+---------|
| CX486DX | 1 & 2 | 2 & 3 | 1 & 2, 3 | 3 & 4 | 1 & 2 |
| | | | & 4 | | |
|---------------+-------+-------+----------+-------+---------|
| IBM486DX | 1 & 2 | 2 & 3 | 1 & 2, 3 | 3 & 4 | 1 & 2 |
| | | | & 4 | | |
|---------------+-------+-------+----------+-------+---------|
| TI486DX | 1 & 2 | 2 & 3 | 1 & 2, 3 | 3 & 4 | 1 & 2 |
| | | | & 4 | | |
|---------------+-------+-------+----------+-------+---------|
| SGS486DX | 1 & 2 | 2 & 3 | 1 & 2, 3 | 3 & 4 | 1 & 2 |
| | | | & 4 | | |
|---------------+-------+-------+----------+-------+---------|
| 80486DX | 1 & 2 | 1 & 2 | 1 & 2, 3 | 3 & 4 | Open |
| | | | & 4 | | |
|---------------+-------+-------+----------+-------+---------|
| CX486DX2 | 1 & 2 | 2 & 3 | 1 & 2, 3 | 3 & 4 | 1 & 2 |
| | | | & 4 | | |
|---------------+-------+-------+----------+-------+---------|
| IBM486DX2 | 1 & 2 | 2 & 3 | 1 & 2, 3 | 3 & 4 | 1 & 2 |
| | | | & 4 | | |
|---------------+-------+-------+----------+-------+---------|
| TI486DX2 | 1 & 2 | 2 & 3 | 1 & 2, 3 | 3 & 4 | 1 & 2 |
| | | | & 4 | | |
|---------------+-------+-------+----------+-------+---------|
| SGS486DX2 | 1 & 2 | 2 & 3 | 1 & 2, 3 | 3 & 4 | 1 & 2 |
| | | | & 4 | | |
|---------------+-------+-------+----------+-------+---------|
| AM486DX2 | 1 & 2 | 1 & 2 | 1 & 2, 3 | 3 & 4 | Open |
| | | | & 4 | | |
|---------------+-------+-------+----------+-------+---------|
| 80486DX2 | 1 & 2 | 1 & 2 | 1 & 2, 3 | 3 & 4 | Open |
| | | | & 4 | | |
|---------------+-------+-------+----------+-------+---------|
| CX486DX4 | 1 & 2 | 2 & 3 | 1 & 2, 3 | 3 & 4 | 1 & 2, |
| | | | & 4 | | 3 & 4 |
|---------------+-------+-------+----------+-------+---------|
| (SL)CX486DX4 | 1 & 2 | 2 & 3 | 1 & 2, 3 | 3 & 4 | 1 & 2 |
| | | | & 4 | | |
|---------------+-------+-------+----------+-------+---------|
| IBM486DX4 | 1 & 2 | 2 & 3 | 1 & 2, 3 | 3 & 4 | 1 & 2, |
| | | | & 4 | | 3 & 4 |
|---------------+-------+-------+----------+-------+---------|
| (SL)IBM486DX4 | 1 & 2 | 2 & 3 | 1 & 2, 3 | 3 & 4 | 1 & 2 |
| | | | & 4 | | |
|---------------+-------+-------+----------+-------+---------|
| TI486DX4 | 1 & 2 | 2 & 3 | 1 & 2, 3 | 3 & 4 | 1 & 2, |
| | | | & 4 | | 3 & 4 |
|---------------+-------+-------+----------+-------+---------|
| (SL)TI486DX4 | 1 & 2 | 2 & 3 | 1 & 2, 3 | 3 & 4 | 1 & 2 |
| | | | & 4 | | |
|---------------+-------+-------+----------+-------+---------|
| SGS486DX4 | 1 & 2 | 2 & 3 | 1 & 2, 3 | 3 & 4 | 1 & 2, |
| | | | & 4 | | 3 & 4 |
|---------------+-------+-------+----------+-------+---------|
| (SL)SGS486DX4 | 1 & 2 | 2 & 3 | 1 & 2, 3 | 3 & 4 | 1 & 2 |
| | | | & 4 | | |
|---------------+-------+-------+----------+-------+---------|
| AM486DX4 | 1 & 2 | 1 & 2 | 1 & 2, 3 | 3 & 4 | Open |
| | | | & 4 | | |
|---------------+-------+-------+----------+-------+---------|
| (SL)AM486DX4 | 1 & 2 | 1 & 2 | 1 & 2, 3 | 3 & 4 | 1 & 2, |
| | | | & 4 | | 3 & 4 |
|---------------+-------+-------+----------+-------+---------|
| 80486DX4 | 1 & 2 | 1 & 2 | 1 & 2, 3 | 3 & 4 | 1 & 2 |
| | | | & 4 | | |
|---------------+-------+-------+----------+-------+---------|
| P24D | 1 & 2 | 1 & 2 | 1 & 2, 3 | 3 & 4 | 1 & 2, |
| | | | & 4 | | 3 & 4 |
|---------------+-------+-------+----------+-------+---------|
| P24T | 1 & 2 | 1 & 2 | 1 & 2, 3 | 2 & 3 | 1 & 2 |
| | | | & 4 | | |
|---------------+-------+-------+----------+-------+---------|
| CX5X86 | 1 & 2 | 1 & 2 | 1 & 2, 3 | 3 & 4 | 1 & 2, |
| | | | & 4 | | 3 & 4 |
|---------------+-------+-------+----------+-------+---------|
| CX5X86-133 | 1 & 2 | 1 & 2 | 1 & 2, 3 | 3 & 4 | 1 & 2, |
| | | | & 4 | | 3 & 4 |
|---------------+-------+-------+----------+-------+---------|
| AM K5 | 1 & 2 | 1 & 2 | 1 & 2, 3 | 3 & 4 | 1 & 2, |
| | | | & 4 | | 3 & 4 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JP27 | JP28 | JP29 | JP30 | JP31 |
|---------------+-------+-------+----------+-------+---------|
| CX486DX | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2, |
| | | | | | 3 & 4 |
|---------------+-------+-------+----------+-------+---------|
| IBM486DX | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2, |
| | | | | | 3 & 4 |
|---------------+-------+-------+----------+-------+---------|
| TI486DX | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2, |
| | | | | | 3 & 4 |
|---------------+-------+-------+----------+-------+---------|
| SGS486DX | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2, |
| | | | | | 3 & 4 |
|---------------+-------+-------+----------+-------+---------|
| 80486DX | Open | 2 & 3 | Open | Open | Open |
|---------------+-------+-------+----------+-------+---------|
| CX486DX2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2, |
| | | | | | 3 & 4 |
|---------------+-------+-------+----------+-------+---------|
| IBM486DX2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2, |
| | | | | | 3 & 4 |
|---------------+-------+-------+----------+-------+---------|
| TI486DX2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2, |
| | | | | | 3 & 4 |
|---------------+-------+-------+----------+-------+---------|
| SGS486DX2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2, |
| | | | | | 3 & 4 |
|---------------+-------+-------+----------+-------+---------|
| AM486DX2 | Open | 2 & 3 | Open | Open | Open |
|---------------+-------+-------+----------+-------+---------|
| 80486DX2 | Open | 2 & 3 | Open | Open | Open |
|---------------+-------+-------+----------+-------+---------|
| CX486DX4 | 3 & 4 | 1 & 2 | 1 & 2, 3 | Open | 2 & 3, |
| | | | & 4 | | 4 & 5 |
|---------------+-------+-------+----------+-------+---------|
| (SL)CX486DX4 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2, |
| | | | | | 3 & 4 |
|---------------+-------+-------+----------+-------+---------|
| IBM486DX4 | 3 & 4 | 1 & 2 | 1 & 2, 3 | Open | 2 & 3, |
| | | | & 4 | | 4 & 5 |
|---------------+-------+-------+----------+-------+---------|
| (SL)IBM486DX4 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2, |
| | | | | | 3 & 4 |
|---------------+-------+-------+----------+-------+---------|
| TI486DX4 | 3 & 4 | 1 & 2 | 1 & 2, 3 | Open | 2 & 3, |
| | | | & 4 | | 4 & 5 |
|---------------+-------+-------+----------+-------+---------|
| (SL)TI486DX4 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2, |
| | | | | | 3 & 4 |
|---------------+-------+-------+----------+-------+---------|
| SGS486DX4 | 3 & 4 | 1 & 2 | 1 & 2, 3 | Open | 2 & 3, |
| | | | & 4 | | 4 & 5 |
|---------------+-------+-------+----------+-------+---------|
| (SL)SGS486DX4 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2, |
| | | | | | 3 & 4 |
|---------------+-------+-------+----------+-------+---------|
| AM486DX4 | Open | 2 & 3 | Open | Open | Open |
|---------------+-------+-------+----------+-------+---------|
| (SL)AM486DX4 | 3 & 4 | 1 & 2 | 1 & 2, 3 | Open | 2 & 3, |
| | | | & 4 | | 4 & 5 |
|---------------+-------+-------+----------+-------+---------|
| 80486DX4 | Open | 1 & 2 | 1 & 2 | Open | 2 & 3, |
| | | | | | 4 & 5 |
|---------------+-------+-------+----------+-------+---------|
| P24D | 3 & 4 | 1 & 2 | 1 & 2, 3 | Open | 2 & 3, |
| | | | & 4 | | 4 & 5 |
|---------------+-------+-------+----------+-------+---------|
| P24T | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 | 2 & 3, |
| | | | | | 4 & 5 |
|---------------+-------+-------+----------+-------+---------|
| CX5X86 | 3 & 4 | 1 & 2 | 1 & 2, 3 | Open | 2 & 3, |
| | | | & 4 | | 4 & 5 |
|---------------+-------+-------+----------+-------+---------|
| CX5X86-133 | 3 & 4 | 1 & 2 | 1 & 2, 3 | Open | 2 & 3, |
| | | | & 4 | | 4 & 5 |
|---------------+-------+-------+----------+-------+---------|
| AM K5 | 3 & 4 | 1 & 2 | 1 & 2, 3 | Open | 2 & 3, |
| | | | & 4 | | 4 & 5 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JP32 | JP33 | JP34 | JP35 |
|---------------+--------+--------+-------------+------------|
| CX486DX | Open | Open | Pins 1 & 2 | Open |
| | | | closed | |
|---------------+--------+--------+-------------+------------|
| IBM486DX | Open | Open | Pins 1 & 2 | Open |
| | | | closed | |
|---------------+--------+--------+-------------+------------|
| TI486DX | Open | Open | Pins 1 & 2 | Open |
| | | | closed | |
|---------------+--------+--------+-------------+------------|
| SGS486DX | Open | Open | Pins 1 & 2 | Open |
| | | | closed | |
|---------------+--------+--------+-------------+------------|
| 80486DX | Closed | Closed | Open | Pins 2 & 3 |
| | | | | closed |
|---------------+--------+--------+-------------+------------|
| CX486DX2 | Open | Open | Pins 1 & 2 | Open |
| | | | closed | |
|---------------+--------+--------+-------------+------------|
| IBM486DX2 | Open | Open | Pins 1 & 2 | Open |
| | | | closed | |
|---------------+--------+--------+-------------+------------|
| TI486DX2 | Open | Open | Pins 1 & 2 | Open |
| | | | closed | |
|---------------+--------+--------+-------------+------------|
| SGS486DX2 | Open | Open | Pins 1 & 2 | Open |
| | | | closed | |
|---------------+--------+--------+-------------+------------|
| AM486DX2 | Closed | Closed | Open | Pins 2 & 3 |
| | | | | closed |
|---------------+--------+--------+-------------+------------|
| 80486DX2 | Closed | Closed | Open | Pins 2 & 3 |
| | | | | closed |
|---------------+--------+--------+-------------+------------|
| CX486DX4 | Open | Open | Open | Open |
|---------------+--------+--------+-------------+------------|
| (SL)CX486DX4 | Open | Open | Pins 1 & 2 | Open |
| | | | closed | |
|---------------+--------+--------+-------------+------------|
| IBM486DX4 | Open | Open | Open | Open |
|---------------+--------+--------+-------------+------------|
| (SL)IBM486DX4 | Open | Open | Pins 1 & 2 | Open |
| | | | closed | |
|---------------+--------+--------+-------------+------------|
| TI486DX4 | Open | Open | Open | Open |
|---------------+--------+--------+-------------+------------|
| (SL)TI486DX4 | Open | Open | Pins 1 & 2 | Open |
| | | | closed | |
|---------------+--------+--------+-------------+------------|
| SGS486DX4 | Open | Open | Open | Open |
|---------------+--------+--------+-------------+------------|
| (SL)SGS486DX4 | Open | Open | Pins 1 & 2 | Open |
| | | | closed | |
|---------------+--------+--------+-------------+------------|
| AM486DX4 | Closed | Closed | Open | Pins 1 & 2 |
| | | | | closed |
|---------------+--------+--------+-------------+------------|
| (SL)AM486DX4 | Open | Open | Open | Pins 1 & 2 |
| | | | | closed |
|---------------+--------+--------+-------------+------------|
| 80486DX4 | Open | Open | Open | Pins 2 & 3 |
| | | | | closed |
|---------------+--------+--------+-------------+------------|
| P24D | Open | Open | Open | Pins 1 & 2 |
| | | | | closed |
|---------------+--------+--------+-------------+------------|
| P24T | Open | Open | Pins 2 & 3 | Pins 2 & 3 |
| | | | closed | closed |
|---------------+--------+--------+-------------+------------|
| CX5X86 | Open | Open | Open | Pins 1 & 2 |
| | | | | closed |
|---------------+--------+--------+-------------+------------|
| CX5X86-133 | Open | Closed | Open | Pins 1 & 2 |
| | | | | closed |
|---------------+--------+--------+-------------+------------|
| AM K5 | Open | Closed | Open | Pins 1 & 2 |
| | | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP7 |
|--------------------------+---------------------------------|
| 25MHz | Pins 5 & 6 closed |
|--------------------------+---------------------------------|
| 33MHz | Pins 1 & 2, 3 & 4, 5 & 6 closed |
|--------------------------+---------------------------------|
| 40MHz | Pins 3 & 4, 5 & 6 closed |
|--------------------------+---------------------------------|
| 50iMHz | Pins 5 & 6 closed |
|--------------------------+---------------------------------|
| 50MHz | Pins 1 & 2 closed |
|--------------------------+---------------------------------|
| 66iMHz | Pins 1 & 2, 3 & 4, 5 & 6 closed |
|--------------------------+---------------------------------|
| 75iMHz | Pins 5 & 6 closed |
|--------------------------+---------------------------------|
| 80iMHz | Pins 3 & 4, 5 & 6 closed |
|--------------------------+---------------------------------|
| 100iMHz | Pins 1 & 2, 3 & 4, 5 & 6 closed |
|--------------------------+---------------------------------|
| 120iMHz | Pins 3 & 4, 5 & 6 closed |
|--------------------------+---------------------------------|
| 133iMHz | Pins 1 & 2, 3 & 4, 5 & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP19 | JP20 | JP21 | JP22 | JP23 |
|-----------+---------+---------+---------+--------+---------|
| 3.3v | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | Closed |
|-----------+---------+---------+---------+--------+---------|
| 4v | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | Open |
|-----------+---------+---------+---------+--------+---------|
| 5v | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | Closed |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
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