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# TMC RESEARCH CORPORATION
PAT48AG4 (VER. 1.2B)
Processor CX486SX/80486SX/SL80486SX/ODP486/CX486DX/AM486DXL/
80486DX/SL80486DX/80486DX2/SL80486DX2/SL80486DX4/P24T
Processor 25/33/40/50(internal)/50/66(internal)/83(internal)/100(internal)MHz
Speed
Chip Set ALI
Video Chip None
Set
Maximum 128MB
Onboard
Memory
Maximum None
Video
Memory
Cache 128/256KB
BIOS Unidentified
Dimensions 254mm x 218mm
I/O 32-bit VESA local bus slots (3), green PC connector
Options
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+-----------+-----------------+-----------|
| External battery | J2 | Turbo LED | J8 pins 8 |
| | | | & 18 |
|------------------+-----------+-----------------+-----------|
| Green PC | J3 | Reset switch | J8 pins 9 |
| connector | | | & 19 |
|------------------+-----------+-----------------+-----------|
| Green PC LED | J5 | IDE interface | J8 pins |
| | | LED | 10 & 20 |
|------------------+-----------+-----------------+-----------|
| IDE interface | J7 | Power LED & | J8 pins |
| LED | | keylock | 11 - 15 |
|------------------+-----------+-----------------+-----------|
| Speaker | J8 pins 1 | 32-bit VESA | SL1 – SL3 |
| | – 4 | local bus slots | |
|------------------+-----------+-----------------+-----------|
| Turbo switch | J8 pins 7 | | |
| | & 17 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|------------------------------------+-------+---------------|
| | Monitor type select color | JP1 | Closed |
|---+--------------------------------+-------+---------------|
| | Monitor type select monochrome | JP1 | Open |
|---+--------------------------------+-------+---------------|
| | Battery type select internal | JP2 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | Battery type select external | JP2 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | CMOS memory clear | JP2 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | BIOS type select EPROM | W4 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | BIOS type select flash BIOS | W4 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION 1 |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 4MB | (1) 512K x | None | (1) 512K x | None |
| | 36 | | 36 | |
|-------+-------------+------------+------------+------------|
| 12MB | (1) 2M x 36 | None | (1) 1M x | None |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x | (1) 1M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 2M x 36 | None | (1) 2M x | None |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 2M x 36 | None | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 2M x 36 | None | (1) 4M x | None |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 24MB | (1) 4M x 36 | (1) 1M x | (1) 1M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 28MB | (1) 4M x 36 | (1) 1M x | (1) 2M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 28MB | (1) 4M x 36 | (1) 1M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 4M x 36 | (1) 4M x | (1) 1M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 36MB | (1) 8M x 36 | None | (1) 1M x | None |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 4M x 36 | (1) 4M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 4M x 36 | (1) 4M x | (1) 2M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 8M x 36 | None | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 40MB | (1) 8M x 36 | None | (1) 2M x | None |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | None |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 8M x 36 | None | (1) 4M x | None |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | None | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | None | (1) 8M x | None |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 16M x | (1) 4M x | (1) 4M x | None |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 36 | None | (1) 16M x | None |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 112MB | (1) 16M x | (1) 4M x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 112MB | (1) 16M x | (1) 4M x | (1) 8M x | None |
| | 36 | 36 | 36 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION 2 |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|---------+--------------+--------------+----------+---------|
| 4MB | (1) 1M x 36 | None | None | None |
|---------+--------------+--------------+----------+---------|
| 8MB | (1) 2M x 36 | None | None | None |
|---------+--------------+--------------+----------+---------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | None | None |
|---------+--------------+--------------+----------+---------|
| 16MB | (1) 4M x 36 | None | None | None |
|---------+--------------+--------------+----------+---------|
| 20MB | (1) 4M x 36 | (1) 1M x 36 | None | None |
|---------+--------------+--------------+----------+---------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 | None | None |
|---------+--------------+--------------+----------+---------|
| 32MB | (1) 8M x 36 | None | None | None |
|---------+--------------+--------------+----------+---------|
| 64MB | (1) 16M x 36 | None | None | None |
|---------+--------------+--------------+----------+---------|
| 80MB | (1) 16M x 36 | (1) 4M x 36 | None | None |
|---------+--------------+--------------+----------+---------|
| 128MB | (1) 32M x 36 | None | None | None |
|---------+--------------+--------------+----------+---------|
| 128MB | (1) 16M x 36 | (1) 16M x 36 | None | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM/VL MASTER SLOT SELECTION |
|------------------------------------------------------------|
| Configuration | VL-master slot | JP18 |
|------------------+--------------------+--------------------|
| 1 | SL1, SL2 or SL3 | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 2 | SL1 | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | None | (1) 8K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 16K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | RN128 | RN256 |
|------------------+--------------------+--------------------|
| 128KB | Installed | Not installed |
|------------------+--------------------+--------------------|
| 256KB | Not installed | Installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP3 | JP4 | JP5 | JP22 | JP23 | JP24 |
|-----------+-------+-------+-------+--------+-------+-------|
| 25MHz | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2, | 1 & 2 | 1 & 2 |
| | | | | 5 & 6 | | |
|-----------+-------+-------+-------+--------+-------+-------|
| 33MHz | 1 & 2 | 1 & 2 | 1 & 2 | 3 & 4, | 1 & 2 | 1 & 2 |
| | | | | 5 & 6 | | |
|-----------+-------+-------+-------+--------+-------+-------|
| 40MHz | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2, | 2 & 3 | 2 & 3 |
| | | | | 3 & 4 | | |
|-----------+-------+-------+-------+--------+-------+-------|
| 50iMHz | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2, | 1 & 2 | 1 & 2 |
| | | | | 5 & 6 | | |
|-----------+-------+-------+-------+--------+-------+-------|
| 50MHz | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2, | 2 & 3 | 2 & 3 |
| | | | | 5 & 6 | | |
|-----------+-------+-------+-------+--------+-------+-------|
| 66iMHz | 1 & 2 | 1 & 2 | 1 & 2 | 3 & 4, | 1 & 2 | 1 & 2 |
| | | | | 5 & 6 | | |
|-----------+-------+-------+-------+--------+-------+-------|
| 83iMHz | 1 & 2 | 1 & 2 | 1 & 2 | 3 & 4, | 1 & 2 | 1 & 2 |
| | | | | 5 & 6 | | |
|-----------+-------+-------+-------+--------+-------+-------|
| 100iMHz | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2, | 2 & 3 | 2 & 3 |
| (2x) | | | | 5 & 6 | | |
|-----------+-------+-------+-------+--------+-------+-------|
| 100iMHz | 1 & 2 | 1 & 2 | 1 & 2 | 3 & 4, | 1 & 2 | 1 & 2 |
| (3x) | | | | 5 & 6 | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP6 | JP7 | JP8 | JP9 |
|------------+------------+------------+------------+--------|
| CX486SX | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 | Closed |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| 80486SX | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Closed |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| SL80486SX | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Closed |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| ODP486 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Closed |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| CX486DX | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Closed |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| AM486DXL | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Closed |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| 80486DX | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Closed |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| SL80486DX | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Closed |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| 80486DX2 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Closed |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| SL80486DX2 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Closed |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| SL80486DX4 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Closed |
| | closed | closed | closed | |
|------------+------------+------------+------------+--------|
| P24T | Pins 1 & 2 | Pins 2 & 3 | Pins 1 & 2 | Open |
| | closed | closed | closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | JP10 | JP11 | JP12 | JP13 | JP14 |
|-------------+---------+---------+---------+-------+--------|
| CX486SX | 1 & 2 | Open | 1 & 2 | Open | Open |
|-------------+---------+---------+---------+-------+--------|
| 80486SX | 1 & 2 | Open | 1 & 2 | Open | Open |
|-------------+---------+---------+---------+-------+--------|
| SL80486SX | 1 & 2 | Open | 1 & 2 | Open | Open |
|-------------+---------+---------+---------+-------+--------|
| ODP486 | 1 & 2 | 1 & 2 | 2 & 3 | Open | Open |
|-------------+---------+---------+---------+-------+--------|
| CX486DX | 1 & 2 | 2 & 3 | 2 & 3 | Open | Open |
|-------------+---------+---------+---------+-------+--------|
| AM486DXL | 1 & 2 | 2 & 3 | 2 & 3 | Open | Open |
|-------------+---------+---------+---------+-------+--------|
| 80486DX | 1 & 2 | 2 & 3 | 2 & 3 | Open | Open |
|-------------+---------+---------+---------+-------+--------|
| SL80486DX | 1 & 2 | 2 & 3 | 2 & 3 | Open | Open |
|-------------+---------+---------+---------+-------+--------|
| 80486DX2 | 1 & 2 | 2 & 3 | 2 & 3 | Open | Open |
|-------------+---------+---------+---------+-------+--------|
| SL80486DX2 | 1 & 2 | 2 & 3 | 2 & 3 | Open | Open |
|-------------+---------+---------+---------+-------+--------|
| SL80486DX4 | 1 & 2 | 2 & 3 | 2 & 3 | Open | Open |
|-------------+---------+---------+---------+-------+--------|
| P24T | 1 & 2 | 1 & 2 | 2 & 3 | Open | Closed |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | RNG1 | RNG2 | RNG3 |
|------------+---------------+---------------+---------------|
| CX486SX | Not installed | Installed | Not installed |
|------------+---------------+---------------+---------------|
| 80486SX | Installed | Not installed | Not installed |
|------------+---------------+---------------+---------------|
| SL80486SX | Installed | Not installed | Not installed |
|------------+---------------+---------------+---------------|
| ODP486 | Installed | Not installed | Not installed |
|------------+---------------+---------------+---------------|
| CX486DX | Installed | Not installed | Not installed |
|------------+---------------+---------------+---------------|
| AM486DXL | Installed | Not installed | Not installed |
|------------+---------------+---------------+---------------|
| 80486DX | Installed | Not installed | Not installed |
|------------+---------------+---------------+---------------|
| SL80486DX | Installed | Not installed | Not installed |
|------------+---------------+---------------+---------------|
| 80486DX2 | Installed | Not installed | Not installed |
|------------+---------------+---------------+---------------|
| SL80486DX2 | Installed | Not installed | Not installed |
|------------+---------------+---------------+---------------|
| SL80486DX4 | Installed | Not installed | Not installed |
|------------+---------------+---------------+---------------|
| P24T | Not installed | Not installed | Installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|------------------------------------------------------------|
| Type | RNGA | RNGB | RNGC | RNGD |
|------------+-----------+-----------+-----------+-----------|
| CX486SX | Not | Installed | Not | Not |
| | installed | | installed | installed |
|------------+-----------+-----------+-----------+-----------|
| 80486SX | Not | Not | Not | Not |
| | installed | installed | installed | installed |
|------------+-----------+-----------+-----------+-----------|
| SL80486SX | Installed | Not | Not | Not |
| | | installed | installed | installed |
|------------+-----------+-----------+-----------+-----------|
| ODP486 | Not | Not | Not | Not |
| | installed | installed | installed | installed |
|------------+-----------+-----------+-----------+-----------|
| CX486DX | Not | Installed | Not | Not |
| | installed | | installed | installed |
|------------+-----------+-----------+-----------+-----------|
| AM486DXL | Not | Not | Installed | Not |
| | installed | installed | | installed |
|------------+-----------+-----------+-----------+-----------|
| 80486DX | Not | Not | Not | Not |
| | installed | installed | installed | installed |
|------------+-----------+-----------+-----------+-----------|
| SL80486DX | Installed | Not | Not | Not |
| | | installed | installed | installed |
|------------+-----------+-----------+-----------+-----------|
| 80486DX2 | Not | Not | Not | Not |
| | installed | installed | installed | installed |
|------------+-----------+-----------+-----------+-----------|
| SL80486DX2 | Installed | Not | Not | Not |
| | | installed | installed | installed |
|------------+-----------+-----------+-----------+-----------|
| SL80486DX4 | Installed | Not | Not | Not |
| | | installed | installed | installed |
|------------+-----------+-----------+-----------+-----------|
| P24T | Not | Not | Not | Installed |
| | installed | installed | installed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU MULTIPLIER SELECTION |
|------------------------------------------------------------|
| Multiplier | JP28 |
|------------------------------+-----------------------------|
| 83iMHz | Pins 2 & 3 closed |
|------------------------------+-----------------------------|
| 100iMHz (2x) | Pins 1 & 2 closed |
|------------------------------+-----------------------------|
| 100iMHz (3x) | Open |
|------------------------------+-----------------------------|
| Non DX4 installed | Open |
+------------------------------------------------------------+