TEXT View Source
# ELITEGROUP COMPUTER SYSTEMS, INC.
SI55P AIO (VER. 1.1)
Processor Pentium
Processor Speed 75/90/100/120/133/150/166MHz
Chip Set SIS
Video Chip Set None
Maximum Onboard 128MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512/1024KB
BIOS Award
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (2), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, serial ports (2), VRM
connector, IR connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|--------------------+----------+----------------+-----------|
| Serial port 1 | J6 | Power LED & | J12 pins |
| | | keylock | 11 - 15 |
|--------------------+----------+----------------+-----------|
| Floppy drive | J7 | Speaker | J12 pins |
| interface | | | 17 - 20 |
|--------------------+----------+----------------+-----------|
| Parallel port | J8 | IDE interface | J13 |
| | | LED | |
|--------------------+----------+----------------+-----------|
| Serial port 2 | J9 | VRM connector | J15 |
|--------------------+----------+----------------+-----------|
| IDE interface 2 | J10 | IR connector | JP2 |
|--------------------+----------+----------------+-----------|
| IDE interface 1 | J11 | External | JP7 |
| | | battery | |
|--------------------+----------+----------------+-----------|
| Green PC connector | J12 pins | Chassis fan | JP23 |
| | 4 & 5 | power | |
|--------------------+----------+----------------+-----------|
| Reset switch | J12 pins | 32-bit PCI | PC1 - PC4 |
| | 9 & 10 | slots | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Setting | Label | Position |
|------------------------------------+-------+---------------|
| | On board I/O enabled | JP1 | Open |
|---+--------------------------------+-------+---------------|
| | On board I/O disabled | JP1 | Closed |
|---+--------------------------------+-------+---------------|
| | Flash BIOS voltage select 12v | JP3 | Pins 2 & 3 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | BIOS voltage select 5v | JP3 | Pins 1 & 2 |
| | | | closed |
|---+--------------------------------+-------+---------------|
| | DRAM parity check enabled | JP8 | Closed |
|---+--------------------------------+-------+---------------|
| | DRAM parity check disabled | JP8 | Open |
|---+--------------------------------+-------+---------------|
| » | Jumper information unavailable | JP20 | Unavailable |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 2MB | (2) 256K x 36 | None |
|------------------+--------------------+--------------------|
| 4MB | (2) 512K x 36 | None |
|------------------+--------------------+--------------------|
| 4MB | (2) 256K x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 6MB | (2) 512K x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 6MB | (2) 256K x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | None |
|------------------+--------------------+--------------------|
| 8MB | (2) 512K x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 10MB | (2) 1M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 10MB | (2) 256K x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 12MB | (2) 1M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 12MB | (2) 512K x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 18MB | (2) 2M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 18MB | (2) 256K x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 20MB | (2) 2M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 20MB | (2) 512K x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 1M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 36 | None |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 34MB | (2) 4M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 34MB | (2) 256K x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 36MB | (2) 4M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 36MB | (2) 512K x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 1M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 2M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 36 | None |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 66MB | (2) 8M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 66MB | (2) 256K x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 68MB | (2) 8M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 68MB | (2) 512K x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 1M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 80MB | (2) 2M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 4M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16M x 36 | None |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 130MB | (2) 16M x 36 | (2) 256K x 36 |
|------------------+--------------------+--------------------|
| 132MB | (2) 16M x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 136MB | (2) 16M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 144MB | (2) 16M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 160MB | (2) 16M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 192MB | (2) 16M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | TAG |
|-----------+-------------+------------+-----------+---------|
| 256KB (A) | (4) 32K x 8 | (4) 32K x | None | (1) 32K |
| | | 8 | | x 8 |
|-----------+-------------+------------+-----------+---------|
| 256KB (B) | None | None | (2) 32K x | (1) 32K |
| | | | 32 | x 8 |
|-----------+-------------+------------+-----------+---------|
| 512KB | (4) 64K x 8 | (4) 64K x | None | (1) 32K |
| | | 8 | | x 8 |
|-----------+-------------+------------+-----------+---------|
| 1MB | (4) 128K x | (4) 128K x | None | (1) 32K |
| | 8 | 8 | | x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP18 | JP19 |
|------------------+--------------------+--------------------|
| 256KB (A) | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 256KB (B) | Pins 2 & 3 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 512KB | Pins 2 & 3 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 1MB | Pins 1 & 2 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP14 | JP15 | JP16 |
|---------------+------------------+------------+------------|
| Mixed voltage | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
| | closed | closed | closed |
|---------------+------------------+------------+------------|
| 3.3v | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| CPU |Clock |Multiplier| J15 | JP21 | JP22 | JP25 | JP26 |
| speed |speed | | | | | | |
|-------+------+----------+------+------+------+------+------|
| 75MHz |50MHz | 1.5x |6 & 7,| Open | Open |Closed| Open |
| | | | 21 & | | | | |
| | | | 22 | | | | |
|-------+------+----------+------+------+------+------+------|
| 90MHz |60MHz | 1.5x |6 & 7,| Open | Open | Open |Closed|
| | | | 21 & | | | | |
| | | | 22 | | | | |
|-------+------+----------+------+------+------+------+------|
|100MHz |66MHz | 1.5x |6 & 7,| Open | Open |Closed|Closed|
| | | | 21 & | | | | |
| | | | 22 | | | | |
|-------+------+----------+------+------+------+------+------|
|120MHz |60MHz | 2x |6 & 7,| Open |Closed| Open |Closed|
| | | | 21 & | | | | |
| | | | 22 | | | | |
|-------+------+----------+------+------+------+------+------|
|133MHz |66MHz | 2x |6 & 7,| Open |Closed|Closed|Closed|
| | | | 21 & | | | | |
| | | | 22 | | | | |
|-------+------+----------+------+------+------+------+------|
|150MHz |60MHz | 2.5x |6 & 7,|Closed|Closed| Open |Closed|
| | | | 21 & | | | | |
| | | | 22 | | | | |
|-------+------+----------+------+------+------+------+------|
|166MHz |66MHz | 2.5x |6 & 7,|Closed|Closed|Closed|Closed|
| | | | 21 & | | | | |
| | | | 22 | | | | |
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP17 |
|----------------------------+-------------------------------|
| 3.3v | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 3.385v | Pins 3 & 4 closed |
|----------------------------+-------------------------------|
| 3.525v | Pins 5 & 6 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | JP4 | JP6 |
|------------------+--------------------+--------------------|
| 1 | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 3 | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 SELECTION |
|------------------------------------------------------------|
| Setting | JP2 |
|----------------------------+-------------------------------|
| Used as COM2 | Pins 5 & 6, 7 & 8 closed |
|----------------------------+-------------------------------|
| Used as IR connector | Open |
+------------------------------------------------------------+