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# ELITEGROUP COMPUTER SYSTEMS, INC.
UM8810P-AIO (ECS)(REV. 1.0)
Processor CX486S/SL80486SX/80486SX/80487SX/SL80486SX2/UMU5S/UMU5DS/
CX486DX/AM486DX/SL80486DX/80486DX/AM486DXL/AM486DXL2/CX486DX2/AM486DX2/SL80486DX2/80486DX2/80486DX4/Pentium
Overdrive
Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set UMC
Max. 64MB
Onboard
DRAM
Cache 128/256/512KB
BIOS Phoenix
Dimensions 330mm x 218mm
I/O 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial
Options ports (2)
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------------+----------+---------------+----------|
| Serial port 2 | J1 | Turbo LED | J11 |
|----------------------+----------+---------------+----------|
| Serial port 1 | J2 | Reset switch | J12 |
|----------------------+----------+---------------+----------|
| Parallel port | J3 | Speaker | J13 |
|----------------------+----------+---------------+----------|
| IDE interface | J7 | Power LED & | J14 |
| (primary) | | keylock | |
|----------------------+----------+---------------+----------|
| IDE interface | J8 | Green PC | J15 |
| (secondary) | | connector | |
|----------------------+----------+---------------+----------|
| Floppy drive | J9 | IDE interface | J16 |
| interface | | LED | |
|----------------------+----------+---------------+----------|
| Turbo switch | J10 | 32-bit PCI | PC1 - |
| | | slots | PC3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Parallel port IRQ select IRQ7 | JP3 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Parallel port IRQ select IRQ5 | JP3 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | BIOS type select EPROM | JP6 | Open |
|---+----------------------------------+--------+------------|
| | BIOS type select flash 5v | JP6 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | BIOS type select flash 12v | JP6 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | On board 37C665 enabled | JP8 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | On board 37C665 disabled | JP8 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | IDE interface enabled | JP12 | Open |
|---+----------------------------------+--------+------------|
| | IDE interface disabled | JP12 | pins 5 & 6 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP41 | N/A |
| | alter | | |
|---+----------------------------------+--------+------------|
| | Factory configured - do not | JP44 | N/A |
| | alter | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | | |
|------+-------------+------------+------------+-------------|
| 4MB | (1) 512K x | (1) 512K x | NONE | NONE |
| | 36 | 36 | | |
|------+-------------+------------+------------+-------------|
| 6MB | (1) 256K x | (1) 256K x | (1) 512K x | (1) 512K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+------------+------------+-------------|
| 8MB | (1) 512K x | (1) 512K x | (1) 512K x | (1) 512K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+------------+------------+-------------|
| 8MB | (1) 1M x 36 | (1) 1M x | NONE | NONE |
| | | 36 | | |
|------+-------------+------------+------------+-------------|
| 10MB | (1) 256K x | (1) 256K x | (1) 1M x | (1) 1M x 36 |
| | 36 | 36 | 36 | |
|------+-------------+------------+------------+-------------|
| 12MB | (1) 512K x | (1) 512K x | (1) 1M x | (1) 1M x 36 |
| | 36 | 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 | | |
|------+-------------+------------+------------+-------------|
| 18MB | (1) 256K x | (1) 256K x | (1) 2M x | (1) 2M x 36 |
| | 36 | 36 | 36 | |
|------+-------------+------------+------------+-------------|
| 20MB | (1) 512K x | (1) 512K x | (1) 2M x | (1) 2M x 36 |
| | 36 | 36 | 36 | |
|------+-------------+------------+------------+-------------|
| 20MB | (1) 2M x 36 | (1) 2M x | (1) 512K x | (1) 512K x |
| | | 36 | 36 | 36 |
|------+-------------+------------+------------+-------------|
| 24MB | (1) 1M x 36 | (1) 1M x | (1) 2M x | (1) 2M x 36 |
| | | 36 | 36 | |
|------+-------------+------------+------------+-------------|
| 24MB | (1) 2M x 36 | (1) 2M x | (1) 1M x | (1) 1M x 36 |
| | | 36 | 36 | |
|------+-------------+------------+------------+-------------|
| 32MB | (1) 2M x 36 | (1) 2M x | (1) 2M x | (1) 2M x 36 |
| | | 36 | 36 | |
|------+-------------+------------+------------+-------------|
| 32MB | (1) 4M x 36 | (1) 4M x | NONE | NONE |
| | | 36 | | |
|------+-------------+------------+------------+-------------|
| 34MB | (1) 256K x | (1) 256K x | (1) 4M x | (1) 4M x 36 |
| | 36 | 36 | 36 | |
|------+-------------+------------+------------+-------------|
| 36MB | (1) 512K x | (1) 512K x | (1) 4M x | (1) 4M x 36 |
| | 36 | 36 | 36 | |
|------+-------------+------------+------------+-------------|
| 36MB | (1) 4M x 36 | (1) 4M x | (1) 512K x | (1) 512K x |
| | | 36 | 36 | 36 |
|------+-------------+------------+------------+-------------|
| 40MB | (1) 1M x 36 | (1) 1M x | (1) 4M x | (1) 4M x 36 |
| | | 36 | 36 | |
|------+-------------+------------+------------+-------------|
| 40MB | (1) 4M x 36 | (1) 4M x | (1) 1M x | (1) 1M x 36 |
| | | 36 | 36 | |
|------+-------------+------------+------------+-------------|
| 48MB | (1) 2M x 36 | (1) 2M x | (1) 4M x | (1) 4M x 36 |
| | | 36 | 36 | |
|------+-------------+------------+------------+-------------|
| 48MB | (1) 4M x 36 | (1) 4M x | (1) 2M x | (1) 2M x 36 |
| | | 36 | 36 | |
|------+-------------+------------+------------+-------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x 36 |
| | | 36 | 36 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|------------+---------------+---------------+---------------|
| 128KB | (4) 32K x 8 | NONE | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 512KB | (4) 64K x 8 | (4) 64K x 8 | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 512KB | (4) 128K x 8 | NONE | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | jp13 | jp14 | jp16 | jp33 | jp35 |
|----------+----------+----------+---------+-------+---------|
| 128KB | Open | 1 & 2 | 2 & 3 | Open | Open |
|----------+----------+----------+---------+-------+---------|
| 256KB | Open | 2 & 3 | 1 & 2 | Open | Closed |
|----------+----------+----------+---------+-------+---------|
| 512KB | Open | 2 & 3 | 1 & 2 | Open | Closed |
|----------+----------+----------+---------+-------+---------|
| 512KB | 1 & 2 | 2 & 3 | 2 & 3 | Open | Closed |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP18 | JP19 | JP20 | JP21 |
|---------------+--------+-------+--------------+------------|
| CX486S | Open | 2 & 3 | 2 & 3 | Open |
|---------------+--------+-------+--------------+------------|
| SL80486SX | Open | Open | 2 & 3 | Open |
|---------------+--------+-------+--------------+------------|
| 80486SX | Open | Open | 2 & 3 | Open |
|---------------+--------+-------+--------------+------------|
| 80487SX | Open | Open | 1 & 2, 3 & 4 | 2 & 3 |
|---------------+--------+-------+--------------+------------|
| SL80486SX2 | Open | Open | 2 & 3 | Open |
|---------------+--------+-------+--------------+------------|
| UMU5S | Open | Open | 2 & 3 | 1 & 2, 3 & |
| | | | | 4 |
|---------------+--------+-------+--------------+------------|
| UMU5DS | Open | Open | 1 & 2, 3 & 4 | 1 & 2, 3 & |
| | | | | 4 |
|---------------+--------+-------+--------------+------------|
| CX486DX | Open | 2 & 3 | 1 & 2, 3 & 4 | 1 & 2 |
|---------------+--------+-------+--------------+------------|
| AM486DX | Open | Open | 1 & 2, 3 & 4 | 1 & 2 |
|---------------+--------+-------+--------------+------------|
| SL80486DX | Open | Open | 1 & 2, 3 & 4 | 1 & 2 |
|---------------+--------+-------+--------------+------------|
| 80486DX | Open | Open | 1 & 2, 3 & 4 | 1 & 2 |
|---------------+--------+-------+--------------+------------|
| AM486DXL | Open | Open | 1 & 2, 3 & 4 | 1 & 2, 3 & |
| | | | | 4 |
|---------------+--------+-------+--------------+------------|
| AM486DXL2 | Open | Open | 1 & 2, 3 & 4 | 1 & 2, 3 & |
| | | | | 4 |
|---------------+--------+-------+--------------+------------|
| CX486DX2 | Open | 2 & 3 | 1 & 2, 3 & 4 | 1 & 2 |
|---------------+--------+-------+--------------+------------|
| AM486DX2 | Open | Open | 1 & 2, 3 & 4 | 1 & 2 |
|---------------+--------+-------+--------------+------------|
| SL80486DX2 | Open | Open | 1 & 2, 3 & 4 | 1 & 2 |
|---------------+--------+-------+--------------+------------|
| 80486DX2 (WB) | Closed | Open | 1 & 2, 3 & 4 | 1 & 2 |
|---------------+--------+-------+--------------+------------|
| 80486DX2 | Open | Open | 1 & 2, 3 & 4 | 1 & 2 |
|---------------+--------+-------+--------------+------------|
| 80486DX4 | Open | Open | 1 & 2, 3 & 4 | 1 & 2 |
|---------------+--------+-------+--------------+------------|
| Pentium | N/A | Open | 1 & 2, 3 & 4 | 2 & 3 |
| Overdrive | | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JP22 | JP23 | JP24 | JP27 |
|-------------+------------+-------+------------+------------|
| CX486S | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2, 3 & |
| | | | | 4 |
|-------------+------------+-------+------------+------------|
| SL80486SX | 1 & 2 | Open | 2 & 3 | 2 & 3, 4 & |
| | | | | 5 |
|-------------+------------+-------+------------+------------|
| 80486SX | Open | Open | 1 & 2 | Open |
|-------------+------------+-------+------------+------------|
| 80487SX | Open | Open | 1 & 2 | Open |
|-------------+------------+-------+------------+------------|
| SL80486SX2 | 1 & 2 | Open | 2 & 3 | 2 & 3, 4 & |
| | | | | 5 |
|-------------+------------+-------+------------+------------|
| UMU5S | Open | Open | 1 & 2 | Open |
|-------------+------------+-------+------------+------------|
| UMU5DS | Open | Open | 1 & 2 | Open |
|-------------+------------+-------+------------+------------|
| CX486DX | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2, 3 & |
| | | | | 4 |
|-------------+------------+-------+------------+------------|
| AM486DX | Open | Open | 1 & 2 | Open |
|-------------+------------+-------+------------+------------|
| SL80486DX | 1 & 2 | Open | 2 & 3 | 2 & 3, 4 & |
| | | | | 5 |
|-------------+------------+-------+------------+------------|
| 80486DX | Open | Open | 1 & 2 | Open |
|-------------+------------+-------+------------+------------|
| AM486DXL | Open | Open | 1 & 2 | Open |
|-------------+------------+-------+------------+------------|
| AM486DXL2 | Open | Open | 1 & 2 | Open |
|-------------+------------+-------+------------+------------|
| CX486DX2 | 2 & 3 | 2 & 3 | 2 & 3 | 1 & 2, 3 & |
| | | | | 4 |
|-------------+------------+-------+------------+------------|
| AM486DX2 | Open | Open | 1 & 2 | Open |
|-------------+------------+-------+------------+------------|
| SL80486DX2 | 1 & 2 | Open | 2 & 3 | 2 & 3, 4 & |
| | | | | 5 |
|-------------+------------+-------+------------+------------|
| 80486DX2 | 1 & 2, 3 & | Open | 2 & 3 | 2 & 3, 4 & |
| (WB) | 4 | | | 5 |
|-------------+------------+-------+------------+------------|
| 80486DX2 | Open | Open | 1 & 2 | Open |
|-------------+------------+-------+------------+------------|
| 80486DX4 | 1 & 2 | Open | 2 & 3 | 2 & 3, 4 & |
| | | | | 5 |
|-------------+------------+-------+------------+------------|
| Pentium | 1 & 2 | 1 & 2 | 2 & 3, 4 & | 2 & 3 |
| Overdrive | | | 5 | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JP28 | JP31 | JP36 | JP37 | JP38 |
|-------------------+--------+-------+-------+-------+-------|
| CX486S | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------+--------+-------+-------+-------+-------|
| SL80486SX | Open | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| 80486SX | Open | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| 80487SX | Open | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| SL80486SX2 | Open | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| UMU5S | 3 & 4 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| UMU5DS | 3 & 4 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| CX486DX | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------+--------+-------+-------+-------+-------|
| AM486DX | Open | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| SL80486DX | Open | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| 80486DX | Open | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| AM486DXL | 3 & 4 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| AM486DXL2 | 3 & 4 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| CX486DX2 | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | 2 & 3 |
|-------------------+--------+-------+-------+-------+-------|
| AM486DX2 | Open | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| SL80486DX2 | Open | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| 80486DX2 (WB) | Open | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| 80486DX2 | Open | 1 & 2 | Open | 1 & 2 | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| 80486DX4 | Open | 3 & 4 | 1 & 2 | 1 & 2 | 1 & 2 |
|-------------------+--------+-------+-------+-------+-------|
| Pentium Overdrive | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP17 |
|--------------------------+---------------------------------|
| 25MHz | pins 1 & 2 closed |
|--------------------------+---------------------------------|
| 33MHz | pins 1 & 2, 3 & 4, 5 & 6 closed |
|--------------------------+---------------------------------|
| 40MHz | pins 1 & 2, 3 & 4 closed |
|--------------------------+---------------------------------|
| 50iMHz | pins 1 & 2 closed |
|--------------------------+---------------------------------|
| 50MHz | pins 5 & 6 closed |
|--------------------------+---------------------------------|
| 66iMHz | pins 1 & 2, 3 & 4, 5 & 6 closed |
|--------------------------+---------------------------------|
| 75iMHz | pins 1 & 2 closed |
|--------------------------+---------------------------------|
| 100iMHz | pins 1 & 2, 3 & 4, 5 & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (80486DX4 ONLY) |
|------------------------------------------------------------|
| Speed | JP29 |
|------------------------------+-----------------------------|
| 2x | Closed |
|------------------------------+-----------------------------|
| 3x | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT DRQ CONFIGURATION |
|------------------------------------------------------------|
| DACK/DRQ | JP4 | JP5 |
|------------------+--------------------+--------------------|
| DACK3/DRQ3 | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| DACK1/DRQ1 | pins 2 & 3 closed | pins 1 & 2 closed |
+------------------------------------------------------------+