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# SHUTTLE COMPUTER INTERNATIONAL, INC.
HOT-409 (VER. 2.2)
Processor 80486SX/80487SX/AM486DX/80486DX/80486DX2/Pentium
Overdrive
Processor 25/33/40/50(internal)/50/66(internal)MHz
Speed
Chip Set OPTI
Max. Onboard 32MB
DRAM
Cache 64/128/256KB
BIOS AMI
Dimensions 260mm x 220mm
I/O Options 32-bit VESA local bus slots
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| External battery | J1 | Turbo switch | JP28 |
|-------------------+----------+------------------+----------|
| Power LED & | J5 | Reset switch | SW1 |
| keylock | | | |
|-------------------+----------+------------------+----------|
| Speaker | J6 | 32-bit VESA | SL1 & |
| | | local bus slots | SL2 |
|-------------------+----------+------------------+----------|
| Turbo LED | JP24 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Battery type select internal | J1 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Battery type select external | J1 | Closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select color | JP1 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP1 | Open |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP32 | pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | ADS# signal not delayed | JP40 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | ADS# signal delayed | JP40 | pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 1MB | (4) 256K x 9 | NONE |
|------------------+--------------------+--------------------|
| 2MB | (4) 256K x 9 | (4) 256K x 9 |
|------------------+--------------------+--------------------|
| 4MB | (4) 1M x 9 | NONE |
|------------------+--------------------+--------------------|
| 5MB | (4) 256K x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 8MB | (4) 1M x 9 | (4) 1M x 9 |
|------------------+--------------------+--------------------|
| 16MB | (4) 4M x 9 | NONE |
|------------------+--------------------+--------------------|
| 20MB | (4) 1M x 9 | (4) 4M x 9 |
|------------------+--------------------+--------------------|
| 32MB | (4) 4M x 9 | (4) 4M x 9 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|-------+-------------+-------------+------------------------|
| 64KB | (4) 8K x 8 | (4) 8K x 8 | (1) 8K x 8 |
|-------+-------------+-------------+------------------------|
| 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 |
|-------+-------------+-------------+------------------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 16K or (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP7 | JP9 | JP15 | JP22 |
|---------+-------------------+----------+---------+---------|
| 64KB | pins 2 & 3 closed | Open | Open | Open |
|---------+-------------------+----------+---------+---------|
| 128KB | pins 1 & 2 closed | Closed | Closed | Open |
|---------+-------------------+----------+---------+---------|
| 256KB | pins 2 & 3 closed | Closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP11 | JP12 |
|-------------------+-------------------+--------------------|
| 80486SX | Open | pins 2 & 3 closed |
|-------------------+-------------------+--------------------|
| 80487SX | pins 2 & 3 closed | pins 1 & 2, 3 & 4 |
| | | closed |
|-------------------+-------------------+--------------------|
| 80486DX | pins 1 & 2 closed | pins 1 & 2, 3 & 4 |
| | | closed |
|-------------------+-------------------+--------------------|
| 80486DX2 | pins 1 & 2 closed | pins 1 & 2, 3 & 4 |
| | | closed |
|-------------------+-------------------+--------------------|
| Pentium Overdrive | pins 2 & 3 closed | pins 1 & 2, 3 & 4 |
| | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP10 | JP16 | JP23 |
|-------------+-------------+-------------------+------------|
| 25MHz | Open | pins 2 & 3 closed | Closed |
|-------------+-------------+-------------------+------------|
| 33MHz | Closed | pins 2 & 3 closed | Open |
|-------------+-------------+-------------------+------------|
| 40MHz | Open | pins 2 & 3 closed | Open |
|-------------+-------------+-------------------+------------|
| 50iMHz | Open | pins 2 & 3 closed | Closed |
|-------------+-------------+-------------------+------------|
| 50MHz | Open | pins 1 & 2 closed | Closed |
|-------------+-------------+-------------------+------------|
| 66iMHz | Closed | pins 2 & 3 closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA MODE CONFIGURATION |
|------------------------------------------------------------|
| Mode | JP13 | JP18 | U43 |
|-----------------------+----------+---------+---------------|
| Slave mode | Closed | Closed | Not installed |
|-----------------------+----------+---------+---------------|
| Master and slave mode | Open | Open | Installed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA WAIT STATE CONFIGURATION |
|------------------------------------------------------------|
| Wait states | J20 |
|-------------------------------+----------------------------|
| 0 wait states | Closed |
|-------------------------------+----------------------------|
| 1 wait state | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS SPEED CONFIGURATION |
|------------------------------------------------------------|
| CPU speed | JP21 |
|-------------------------------+----------------------------|
| <= 33MHz | Closed |
|-------------------------------+----------------------------|
| > 33MHz | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA DEVICE COMPATIBILITY CONFIGURATION |
|------------------------------------------------------------|
| Setup | JP29 | JP39 |
|------------------+--------------------+--------------------|
| 0 | pins 1 & 2 closed | pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 1 | pins 1 & 2 closed | pins 2 & 3 closed |
|------------------+--------------------+--------------------|
| 2 | pins 2 & 3 closed | pins 2 & 3 closed |
+------------------------------------------------------------+