TEXT View Source
# UNIDENTIFIED
PCI/ISA UD486GRN
Processor CX486SX/80486SX/SL80486SX/SL80486SX2/CX486DX/AM486DX/UMCU5S/
SL80486DX/CX486DX2/AM486DX2/SL80486DX2/AM486DX4/80486DX4
Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set UMC
Max. 128MB
Onboard
DRAM
Cache 128/256/512KB
BIOS Unidentified
Dimensions 220mm x 220mm
I/O 32-bit PCI slots (3), green PC connector, IDE interfaces (2)
Options
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Speaker | CN1 | Turbo switch | JP29 |
|-------------------+----------+------------------+----------|
| Power LED & | CN2 | Turbo LED | JP30 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| IDE interface | JH1 | Reset switch | JP31 |
|-------------------+----------+------------------+----------|
| IDE interface | JH2 | IDE interface | JP32 |
| | | LED | |
|-------------------+----------+------------------+----------|
| Green PC | JP26 | 32-bit PCI slots | PC1 - |
| connector | | | PC3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | CMOS memory normal operation | JC | Closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JC | Open |
|---+----------------------------------+--------+------------|
| | IDE interface enabled | JP2 | Open |
|---+----------------------------------+--------+------------|
| | IDE interface disabled | JP2 | Closed |
|---+----------------------------------+--------+------------|
| » | Port address fixed | JP3 | Closed |
|---+----------------------------------+--------+------------|
| | Port address relocatable | JP3 | Open |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP10 | Open |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP15 | pins 1 & 2 |
| | alter | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | NONE | NONE |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 4MB | (1) 1M x 36 | NONE | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 4MB | NONE | (1) 1M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 8MB | NONE | NONE | (1) 2M x | NONE |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x | (1) 1M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 2M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 4M x 36 | NONE | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 32MB | NONE | NONE | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 8M x 36 | NONE | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 48MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 8M x 36 | (1) 8M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 128KB | (4) 32K x 8 | (1) 8K x 8 |
|------------------+--------------------+--------------------|
| 256KB | (4) 64K x 8 | (1) 32K x 8 |
|------------------+--------------------+--------------------|
| 512KB | (4) 128K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP22 | JP23 pins 1 | JP23 pins 3 | JP25 |
| | | & 2 | & 4 | |
|-------+--------+-------------+-------------+---------------|
| 128KB | Open | Closed | Open | pins 1 & 2 |
| | | | | closed |
|-------+--------+-------------+-------------+---------------|
| 256KB | Open | Closed | Closed | pins 2 & 3 |
| | | | | closed |
|-------+--------+-------------+-------------+---------------|
| 512KB | Closed | Closed | Closed | pins 2 & 3 |
| | | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP7 | JP11 | JP12 | JP13 | JP14 |
|------------+--------+-------+-------+-----------+----------|
| CX486SX | Open | 1 & 2 | Open | 2 & 3 | 1 & 2, 3 |
| | | | | | & 4 |
|------------+--------+-------+-------+-----------+----------|
| 80486SX | Closed | Open | Open | 2 & 3 | Open |
|------------+--------+-------+-------+-----------+----------|
| SL80486SX | Closed | Open | Open | 2 & 3 | 2 & 3, 4 |
| | | | | | & 5 |
|------------+--------+-------+-------+-----------+----------|
| SL80486SX2 | Closed | Open | Open | 2 & 3 | 2 & 3, 4 |
| | | | | | & 5 |
|------------+--------+-------+-------+-----------+----------|
| CX486DX | Open | 1 & 2 | 3 & 4 | 1 & 2, 3 | 1 & 2, 3 |
| | | | | & 4 | & 4 |
|------------+--------+-------+-------+-----------+----------|
| AM486DX | Closed | Open | 3 & 4 | 1 & 2, 3 | Open |
| | | | | & 4 | |
|------------+--------+-------+-------+-----------+----------|
| UMCU5S | Closed | Open | 1 & 2 | 2 & 3 | Open |
|------------+--------+-------+-------+-----------+----------|
| SL80486DX | Closed | Open | 3 & 4 | 1 & 2, 3 | 2 & 3, 4 |
| | | | | & 4 | & 5 |
|------------+--------+-------+-------+-----------+----------|
| CX486DX2 | Open | 1 & 2 | 3 & 4 | 1 & 2, 3 | 1 & 2, 3 |
| | | | | & 4 | & 4 |
|------------+--------+-------+-------+-----------+----------|
| AM486DX2 | Closed | Open | 3 & 4 | 1 & 2, 3 | Open |
| | | | | & 4 | |
|------------+--------+-------+-------+-----------+----------|
| SL80486DX2 | Closed | Open | 3 & 4 | 1 & 2, 3 | 2 & 3, 4 |
| | | | | & 4 | & 5 |
|------------+--------+-------+-------+-----------+----------|
| AM486DX4 | Closed | Open | 3 & 4 | 1 & 2, 3 | Open |
| | | | | & 4 | |
|------------+--------+-------+-------+-----------+----------|
| 80486DX4 | Closed | Open | 3 & 4 | 1 & 2, 3 | 2 & 3, 4 |
| | | | | & 4 | & 5 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JP16 | JP17 | JP19 | JP20 | JP21 | JP24 |
|------------+-------+-------+-------+-------+-------+-------|
| CX486SX | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
|------------+-------+-------+-------+-------+-------+-------|
| 80486SX | 1 & 2 | 1 & 2 | Open | Open | Open | Open |
|------------+-------+-------+-------+-------+-------+-------|
| SL80486SX | 1 & 2 | 1 & 2 | Open | 1 & 2 | 1 & 2 | Open |
|------------+-------+-------+-------+-------+-------+-------|
| SL80486SX2 | 1 & 2 | 1 & 2 | Open | 1 & 2 | 1 & 2 | Open |
|------------+-------+-------+-------+-------+-------+-------|
| CX486DX | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
|------------+-------+-------+-------+-------+-------+-------|
| AM486DX | 1 & 2 | 1 & 2 | Open | Open | Open | Open |
|------------+-------+-------+-------+-------+-------+-------|
| UMCU5S | 1 & 2 | 2 & 3 | Open | 2 & 3 | Open | 3 & 4 |
|------------+-------+-------+-------+-------+-------+-------|
| SL80486DX | 1 & 2 | 1 & 2 | Open | 1 & 2 | 1 & 2 | Open |
|------------+-------+-------+-------+-------+-------+-------|
| CX486DX2 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 |
|------------+-------+-------+-------+-------+-------+-------|
| AM486DX2 | 1 & 2 | 1 & 2 | Open | Open | Open | Open |
|------------+-------+-------+-------+-------+-------+-------|
| SL80486DX2 | 1 & 2 | 1 & 2 | Open | 1 & 2 | 1 & 2 | Open |
|------------+-------+-------+-------+-------+-------+-------|
| AM486DX4 | 1 & 2 | 1 & 2 | Open | Open | Open | Open |
|------------+-------+-------+-------+-------+-------+-------|
| 80486DX4 | 1 & 2 | 1 & 2 | Open | 1 & 2 | 1 & 2 | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP18 pins 1 & | JP18 pins 3 & | JP18 pins 5 & |
| | 2 | 4 | 6 |
|---------+----------------+----------------+----------------|
| 25MHz | Open | Open | Open |
|---------+----------------+----------------+----------------|
| 33MHz | Closed | Closed | Open |
|---------+----------------+----------------+----------------|
| 40MHz | Open | Closed | Open |
|---------+----------------+----------------+----------------|
| 50iMHz | Open | Open | Open |
|---------+----------------+----------------+----------------|
| 50MHz | Closed | Open | Open |
|---------+----------------+----------------+----------------|
| 66iMHz | Closed | Closed | Open |
|---------+----------------+----------------+----------------|
| 75iMHz | Open | Open | Open |
|---------+----------------+----------------+----------------|
| 100iMHz | Closed | Closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (80486DX4 ONLY) |
|------------------------------------------------------------|
| Speed | JP9 |
|------------------------------+-----------------------------|
| 2x | Closed |
|------------------------------+-----------------------------|
| 3x | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| KEYBOARD CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP1 | JP4 | JP5 | JP6 | JP27 | JP28 |
|----------+---------+-------+-------+-------+-------+-------|
| Internal | 7 & 8, | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 |
| | 9 & 10 | | | | | |
|----------+---------+-------+-------+-------+-------+-------|
| External | 1 & 3, | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2 | 2 & 3 |
| | 2 & 4, | | | | | |
| | 5 & 7, | | | | | |
| | 6 & 8 | | | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTE |
|------------------------------------------------------------|
| Note: The location of pin 1 is unidentified. Jumpers |
| are shown for location purposes only. The actual |
| location may vary. |
+------------------------------------------------------------+