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# ADDTECH RESEARCH, INC.
4GLX4
Processor CX486SX/AM486SX/80486SX/80487SX/CX486DX/AM486DX/
80486DX/CX486DX2(M7)/AM486DX2/80486DX2/P24D/P24T
Processor 25/33/40/50(internal)/66(internal)MHz
Speed
Chip Set Unidentified
Video Chip None
Set
Maximum 128MB
Onboard
Memory
Maximum Video None
Memory
Cache 256/512/1024KB
BIOS AMI
Dimensions 254mm x 218mm
I/O Options 32-bit VESA local bus slots (3)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| External battery | JP2 | Turbo LED | JP21 |
|-------------------+----------+------------------+----------|
| Power LED & | JP16 | Reset switch | JP26 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Speaker | JP17 | 32-bit VESA | SL1 - |
| | | local bus slots | SL3 |
|-------------------+----------+------------------+----------|
| Turbo switch | JP19 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|------------------------------------+-------+---------------|
| ยป | CMOS memory normal operation | JP1 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | CMOS memory clear | JP1 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | Jumper information unavailable | JP3 | Unidentified |
|---+--------------------------------+-------+---------------|
| | Jumper information unavailable | JP4 | Unidentified |
|---+--------------------------------+-------+---------------|
| | Flash BIOS voltage select 12v | JP5 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | Flash BIOS voltage select 5v | JP5 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | Jumper information unavailable | JP18 | Unidentified |
|---+--------------------------------+-------+---------------|
| | Jumper information unavailable | JP20 | Unidentified |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (4) 256K x 9 | None |
|------------------+--------------------+--------------------|
| 2MB | (4) 256K x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 4MB | (4) 1M x 9 | None |
|------------------+--------------------+--------------------|
| 5MB | (4) 256K x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 5MB | (4) 1M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | None |
|------------------+--------------------+--------------------|
| 17MB | (4) 256K x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 17MB | (4) 4M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 20MB | (4) 4M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 64MB | (4) 16M x 9 | None |
|------------------+--------------------+--------------------|
| 65MB | (4) 256K x 9 | (4) 16M x 9 |
|------------------+--------------------+--------------------|
| 65MB | (4) 16M x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 68MB | (4) 1M x 9 | (4) 16M x 9 |
|------------------+--------------------+--------------------|
| 68MB | (4) 16M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 80MB | (4) 4M x 9 | (4) 16M x 9 |
|------------------+--------------------+--------------------|
| 80MB | (4) 16M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 128MB | (4) 16M x 9 | (4) 16M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 512KB | (4) 128K x 8 | None | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 1MB | (4) 128K x 8 | (4) 128K x 8 | (1) 128K x 8 |
|------------------------------------------------------------|
| Note: The location of banks 0 & 1 are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP11 | JP12 |
|------------------+--------------------+--------------------|
| 256KB | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 512KB | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 1MB | Pins 2 & 4 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP13 | JP22 | JP27 | JP28 | JP60 | JP61 | JP62 |
|--------+-------+-------+------+------+-------+------+------|
| 25MHz |Closed | Open |2 & 4 |2 & 3 |Closed |1 & 2 |2 & 3 |
|--------+-------+-------+------+------+-------+------+------|
| 33MHz | Open | Open |2 & 4 |2 & 3 |Closed |2 & 3 |1 & 2 |
|--------+-------+-------+------+------+-------+------+------|
| 40MHz | Open |Closed |2 & 3 |1 & 2 | Open |1 & 2 |2 & 3 |
|--------+-------+-------+------+------+-------+------+------|
| 50iMHz |Closed | Open |2 & 4 |2 & 3 |Closed |1 & 2 |2 & 3 |
|--------+-------+-------+------+------+-------+------+------|
| 50MHz | Open |Closed |1 & 2 |1 & 2 | Open |2 & 3 |1 & 2 |
|--------+-------+-------+------+------+-------+------+------|
| 66iMHz | Open | Open |2 & 4 |2 & 3 |Closed |2 & 3 |1 & 2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP8 | JP9 | JP10 |
|----------+--------------------+-------------------+--------|
| 80486SX | Pins 2 & 3 closed | Open | Open |
|----------+--------------------+-------------------+--------|
| 80487SX | Pins 1 & 2, 3 & 4 | Pins 1 & 2 closed | Closed |
| | closed | | |
|----------+--------------------+-------------------+--------|
| 80486DX | Pins 1 & 2, 3 & 4 | Pins 2 & 3 closed | Open |
| | closed | | |
|----------+--------------------+-------------------+--------|
| 80486DX2 | Pins 1 & 2, 3 & 4 | Pins 2 & 3 closed | Open |
| | closed | | |
|----------+--------------------+-------------------+--------|
| P24D | Pins 1 & 2, 3 & 4 | Pins 1 & 2 closed | Closed |
| | closed | | |
|----------+--------------------+-------------------+--------|
| P24T | Pins 1 & 2, 3 & 4 | Pins 1 & 2 closed | Closed |
| | closed | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP15 |
|----------------------------+-------------------------------|
| Cyrix | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| AMD | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| Intel | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VL BUS WAIT STATE SELECTION |
|------------------------------------------------------------|
| Setting | JP23 |
|-------------------------------+----------------------------|
| 0 | Open |
|-------------------------------+----------------------------|
| 1 | Closed |
+------------------------------------------------------------+