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# SHUTTLE COMPUTER INTERNATIONAL, INC.
HOT-557
Processor CX M1/AM K5/Pentium
Processor Speed 66/75/90/100/120/125/133/150/166/180/200MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 128MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS Award
Dimensions 280mm x 220mm
I/O Options 32-bit PCI slots (4), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse interface, serial
ports (2), cache slot, IR connector, USB
connectors (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Floppy drive | CN1 | PS/2 mouse | J99 |
| interface | | interface | |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN2 | Chassis fan | JP1 |
| | | power | |
|-------------------+----------+------------------+----------|
| Serial port 2 | CN3 | IR connector | JP3 |
|-------------------+----------+------------------+----------|
| Parallel port | CN4 | Reset switch | JP12 |
|-------------------+----------+------------------+----------|
| IDE interface 1 | J6 | Green PC | JP15 |
| | | connector | |
|-------------------+----------+------------------+----------|
| IDE interface 2 | J7 | IDE interface | JP22 |
| | | LED | |
|-------------------+----------+------------------+----------|
| USB connector | J10 | Green PC LED | JP33 |
|-------------------+----------+------------------+----------|
| USB connector | J11 | 32-bit PCI slots | PC1 - |
| | | | PC4 |
|-------------------+----------+------------------+----------|
| Speaker | J12 | Cache slot | SL1 |
|-------------------+----------+------------------+----------|
| Power LED & | J14 | | |
| keylock | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|--------------------------------------+-------+-------------|
| » | Factory configured - do not | J107 | Open |
| | alter | | |
|---+----------------------------------+-------+-------------|
| | Monitor type select EGA/CGA | JP7 | Closed |
|---+----------------------------------+-------+-------------|
| | Monitor type select monochrome | JP7 | Open |
|---+----------------------------------+-------+-------------|
| | Monitor type select VGA | JP7 | Any setting |
|---+----------------------------------+-------+-------------|
| » | Password normal operation | JP9 | Open |
|---+----------------------------------+-------+-------------|
| | Password clear | JP9 | Closed |
|---+----------------------------------+-------+-------------|
| | Flash BIOS voltage select 12v | JP19 | Pins 1 & 2 |
| | | | closed |
|---+----------------------------------+-------+-------------|
| | Flash BIOS voltage select 5v | JP19 | Pins 2 & 3 |
| | | | closed |
|---+----------------------------------+-------+-------------|
| » | CMOS memory normal operation | JP21 | Open |
|---+----------------------------------+-------+-------------|
| | CMOS memory clear | JP21 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|----------------+---------------------+---------------------|
| 8MB | (2) 1M x 36 | None |
|----------------+---------------------+---------------------|
| 16MB | (2) 2M x 36 | None |
|----------------+---------------------+---------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|----------------+---------------------+---------------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 |
|----------------+---------------------+---------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|----------------+---------------------+---------------------|
| 40MB | (2) 4M x 36 | (2) 1M 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 |
|----------------+---------------------+---------------------|
| 72MB | (2) 1M x 36 | (2) 8M x 36 |
|----------------+---------------------+---------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
|----------------+---------------------+---------------------|
| 96MB | (2) 4M x 36 | (2) 8M x 36 |
|----------------+---------------------+---------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Banks are interchangeable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 2 | Bank 3 |
|------------------+--------------------+--------------------|
| 8MB | (1) 1M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 2M x 64 | None |
|------------------+--------------------+--------------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 32MB | (1) 4M x 64 | None |
|------------------+--------------------+--------------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 |
|------------------------------------------------------------|
| Note: Banks are interchangeable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | SL1 | TAG |
|-------+--------------+-----------------------+-------------|
| 256KB | None | 256KB module | (1) 32K x 8 |
| | | installed | |
|-------+--------------+-----------------------+-------------|
| 256KB | (2) 32K x 32 | None installed | (1) 32K x 8 |
|-------+--------------+-----------------------+-------------|
| 512KB | (2) 32K x 32 | 256KB module | (1) 32K x 8 |
| | | installed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP29 | JP30 |
|------------------+--------------------+--------------------|
| 256KB | Pins 1 & 2 closed | Pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 512KB | Pins 2 & 3 closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP23 | JP24 | JP36 |
| speed | speed | | | | |
|---------+--------+------------+-------+-------+------------|
| 120MHz | 50MHz | 2x | Open | Open | 1 & 2, 3 & |
| | | | | | 4, 5 & 6 |
|---------+--------+------------+-------+-------+------------|
| 133MHz | 55MHz | 2x | Open | Open | 1 & 2, 3 & |
| | | | | | 4 |
|---------+--------+------------+-------+-------+------------|
| 150MHz | 60MHz | 2x | Open | Open | 1 & 2, 5 & |
| | | | | | 6 |
|---------+--------+------------+-------+-------+------------|
| 166MHz | 66MHz | 2x | Open | Open | 3 & 4, 5 & |
| | | | | | 6 |
|---------+--------+------------+-------+-------+------------|
| 200MHz | 75MHz | 2x | Open | Open | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed |
| position. The 200MHz chip may not run properly on |
| this board. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP23 | JP24 | JP36 |
| speed | speed | | | | |
|----------+---------+------------+--------+------+----------|
| 66MHz | 66MHz | 1x | Closed | Open | 3 & 4, 5 |
| | | | | | & 6 |
|----------+---------+------------+--------+------+----------|
| 75MHz | 50MHz | 1.5x | Open | Open | 1 & 2, 3 |
| | | | | | & 4, 5 & |
| | | | | | 6 |
|----------+---------+------------+--------+------+----------|
| 90MHz | 60MHz | 1.5x | Open | Open | 1 & 2, 5 |
| | | | | | & 6 |
|----------+---------+------------+--------+------+----------|
| 100MHz | 66MHz | 1.5x | Open | Open | 3 & 4, 5 |
| | | | | | & 6 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP23 | JP24 | JP36 |
| speed | speed | | | | |
|---------+--------+------------+--------+--------+----------|
| 75MHz | 50MHz | 1.5x | Open | Open | 1 & 2, 3 |
| | | | | | & 4, 5 & |
| | | | | | 6 |
|---------+--------+------------+--------+--------+----------|
| 90MHz | 60MHz | 1.5x | Open | Open | 1 & 2, 5 |
| | | | | | & 6 |
|---------+--------+------------+--------+--------+----------|
| 100MHz | 66MHz | 1.5x | Open | Open | 3 & 4, 5 |
| | | | | | & 6 |
|---------+--------+------------+--------+--------+----------|
| 120MHz | 60MHz | 2x | Closed | Open | 1 & 2, 5 |
| | | | | | & 6 |
|---------+--------+------------+--------+--------+----------|
| 125MHz | 50MHz | 2.5x | Closed | Closed | 1 & 2, 3 |
| | | | | | & 4, 5 & |
| | | | | | 6 |
|---------+--------+------------+--------+--------+----------|
| 133MHz | 66MHz | 2x | Closed | Open | 3 & 4, 5 |
| | | | | | & 6 |
|---------+--------+------------+--------+--------+----------|
| 150MHz | 60MHz | 2.5x | Closed | Closed | 1 & 2, 5 |
| | | | | | & 6 |
|---------+--------+------------+--------+--------+----------|
| 166MHz | 66MHz | 2.5x | Closed | Closed | 3 & 4, 5 |
| | | | | | & 6 |
|---------+--------+------------+--------+--------+----------|
| 180MHz | 60MHz | 3x | Open | Closed | 1 & 2, 5 |
| | | | | | & 6 |
|---------+--------+------------+--------+--------+----------|
| 200MHz | 66MHz | 3x | Open | Closed | 3 & 4, 5 |
| | | | | | & 6 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE OUTPUT) |
|------------------------------------------------------------|
| Voltage | J100 | J101 | J102 |
|---------+------+-----------------------+-------------------|
| 3.2v | Open | Pins 1 & 2, 3 & 4 | Pins 3 & 4 closed |
| | | closed | |
|---------+------+-----------------------+-------------------|
| 3.3v | Open | Pins 3 & 4 closed | Pins 3 & 4 closed |
|---------+------+-----------------------+-------------------|
| 3.45v | Open | Pins 2 & 4 closed | Pins 3 & 4 closed |
|---------+------+-----------------------+-------------------|
| 3.5v | Open | Pins 1 & 2 closed | Pins 3 & 4 closed |
|---------+------+-----------------------+-------------------|
| 3.6v | Open | Pins 1 & 3 closed | Pins 3 & 4 closed |
|---------+------+-----------------------+-------------------|
| 3.8v | Open | Open | Pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL OUTPUT) |
|------------------------------------------------------------|
| Voltage | V core | J100 | J101 | J102 |
|-----------+---------+--------------+--------------+--------|
| 3.2v | 2.5v | 1 & 2, 3 & 4 | 1 & 2, 3 & 4 | 1 & 2 |
|-----------+---------+--------------+--------------+--------|
| 3.3v | 2.7v | 3 & 4 | 3 & 4 | 1 & 2 |
|-----------+---------+--------------+--------------+--------|
| 3.45v | 2.8v | 2 & 4 | 2 & 4 | 1 & 2 |
|-----------+---------+--------------+--------------+--------|
| 3.5v | 2.9v | 1 & 2 | 1 & 2 | 1 & 2 |
|-----------+---------+--------------+--------------+--------|
| 3.6v | 3.0v | 1 & 3 | 1 & 3 | 1 & 2 |
|-----------+---------+--------------+--------------+--------|
| 3.8v | 3.2v | Open | Open | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+