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# SHUTTLE COMPUTER INTERNATIONAL, INC.
HOT-419 (VER. R1.1)
Processor 80486SX/SL80486SX/80487SX/CX486DX/AM486DX/80486DX/SL80486DX/
CX486DX2/AM486DX2/80486DX2/SL80486DX2/80486DX4/Pentium Overdrive
Processor 20/25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set OPTI
Max. 128MB
Onboard
DRAM
Cache 64/128/256/512KB
BIOS AMI
Dimensions 260mm x 220mm
I/O 32-bit VESA local bus slots (3), green PC connector
Options
NPU None
Options
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|------------------+----------+-------------------+----------|
| External battery | J1 | Green PC | JP63 |
| | | connector | |
|------------------+----------+-------------------+----------|
| Power LED & | J2 | Green PC | JP68 |
| keylock | | connector | |
|------------------+----------+-------------------+----------|
| Turbo LED | JP16 | Reset switch | S1 |
|------------------+----------+-------------------+----------|
| Turbo switch | JP17 | 32-bit VESA local | SL1 - |
| | | bus slots | SL3 |
|------------------+----------+-------------------+----------|
| Speaker | JP18 | | |
|------------------------------------------------------------|
| Note: The location of JP68 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Monitor type select color | JP30 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP30 | Open |
|---+----------------------------------+--------+------------|
| » | CPU ADS# signal select normal | JP36 | pins 2 & 3 |
| | operation | | closed |
|---+----------------------------------+--------+------------|
| | CPU ADS# signal select delayed | JP36 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP53 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP67 | Closed |
| | alter | | |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP74 | pins 1 & 2 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| » | Factory configured - do not | JP77 | pins 2 & 3 |
| | alter | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION 1 |
|------------------------------------------------------------|
| 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 | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 5MB | (1) 256K x | (1) 1M x | NONE | NONE |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 6MB | (1) 256K x | (1) 256K x | (1) 1M x | NONE |
| | 36 | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 8MB | (1) 1M x 36 | NONE | (1) 1M x | NONE |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 10MB | (1) 256K x | (1) 256K x | (1) 1M x | (1) 1M x |
| | 36 | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 12MB | (1) 1M x 36 | NONE | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 4M x 36 | NONE | NONE | NONE |
|-------+-------------+------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x | (1) 1M x | (1) 1M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 17MB | (1) 256K x | (1) 4M x | NONE | NONE |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 20MB | (1) 1M x 36 | (1) 4M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 20MB | (1) 1M x 36 | NONE | (1) 4M x | NONE |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x | NONE | NONE |
| | | 36 | | |
|-------+-------------+------------+------------+------------|
| 32MB | (1) 4M x 36 | NONE | (1) 4M x | NONE |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 64MB | (1) 16M x | NONE | NONE | NONE |
| | 36 | | | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 16M x | (1) 16M x | NONE | NONE |
| | 36 | 36 | | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 16M x | NONE | (1) 16M x | NONE |
| | 36 | | 36 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION 2 |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 2MB | (1) 512K x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 4MB | (1) 1M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 4MB | (1) 512K x 36 | (1) 512K x 36 | NONE |
|------------+---------------+---------------+---------------|
| 6MB | (1) 512K x 36 | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 6MB | (1) 512K x 36 | (1) 512K x 36 | (1) 512K x 36 |
|------------+---------------+---------------+---------------|
| 8MB | (1) 2M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 12MB | (1) 1M x 36 | (1) 2M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 12MB | (1) 512K x 36 | (1) 512K x 36 | (1) 2M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION 2 (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 2M x 36 |
|------------+---------------+---------------+---------------|
| 20MB | (1) 1M x 36 | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 20MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x 36 |
|------------+---------------+---------------+---------------|
| 24MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x 36 |
|------------+---------------+---------------+---------------|
| 32MB | (1) 8M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 36MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 40MB | (1) 1M x 36 | (1) 1M x 36 | (1) 8M x 36 |
|------------+---------------+---------------+---------------|
| 48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 48MB | (1) 2M x 36 | (1) 2M x 36 | (1) 8M x 36 |
|------------+---------------+---------------+---------------|
| 64MB | (1) 16M x 36 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 64MB | (1) 8M x 36 | (1) 8M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 8M x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (1) 8M x 36 | (1) 8M x 36 | (1) 8M x 36 |
|------------+---------------+---------------+---------------|
| 128MB | (1) 16M x 36 | (1) 16M x 36 | NONE |
|------------------------------------------------------------|
| Note: Bank 3 is not used in this configuration. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP60 | JP61 | JP62 | JP70 | JP71 | JP72 |
|---------+--------+--------+--------+-------+-------+-------|
| Mode 1 | Closed | Closed | Closed | 1 & 2 | 1 & 2 | 1 & 2 |
|---------+--------+--------+--------+-------+-------+-------|
| Mode 2 | Open | Open | Open | 2 & 3 | 2 & 3 | 2 & 3 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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) 32K x 8 |
|------------+---------------+---------------+---------------|
| 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
|------------+---------------+---------------+---------------|
| 512KB | (4) 128K x 8 | NONE | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP10 | JP11 | JP13 | JP50 |
|---------+----------+---------+-------------------+---------|
| 64KB | Open | Open | pins 1 & 2 closed | Open |
|---------+----------+---------+-------------------+---------|
| 128KB | Open | Closed | pins 2 & 3 closed | Open |
|---------+----------+---------+-------------------+---------|
| 256KB | Closed | Closed | pins 1 & 2 closed | Open |
|---------+----------+---------+-------------------+---------|
| 512KB | Closed | Closed | pins 2 & 3 closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE WRITE CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP58 | JP59 |
|--------------------+-------------------+-------------------|
| Write through | Open | Open |
|--------------------+-------------------+-------------------|
| Write back | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP3 | JP5 | JP8 | JP42 | JP43 |
|------------+---------+---------+---------+--------+--------|
| SL80486SX | Open | Open | 1 & 2 | 1 & 2 | 1 & 2 |
|------------+---------+---------+---------+--------+--------|
| 80486SX | Open | Open | 1 & 2 | Open | 1 & 2 |
|------------+---------+---------+---------+--------+--------|
| 80487SX | 2 & 3 | 1 & 2 | 2 & 3 | Open | 1 & 2 |
|------------+---------+---------+---------+--------+--------|
| CX486DX | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 2 |
|------------+---------+---------+---------+--------+--------|
| SL80486DX | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 |
|------------+---------+---------+---------+--------+--------|
| 80486DX | 1 & 2 | 1 & 2 | 2 & 3 | Open | 1 & 2 |
|------------+---------+---------+---------+--------+--------|
| CX486DX2 | 1 & 2 | 1 & 2 | 2 & 3 | 2 & 3 | 2 & 3 |
|------------+---------+---------+---------+--------+--------|
| 80486DX4 | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 |
|------------+---------+---------+---------+--------+--------|
| P24D | 2 & 3 | 1 & 2 | 2 & 3 | Open | 1 & 2 |
|------------+---------+---------+---------+--------+--------|
| P24T | 2 & 3 | 1 & 2 | 2 & 3 | Open | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JP44 | JP45 | JP46 | JP47 | JP48 |JP49 |
|----------+--------+--------+--------+--------+-------+-----|
|SL80486SX | Closed | Closed | Closed | Open | Open |1 & 2|
|----------+--------+--------+--------+--------+-------+-----|
| 80486SX | Open | Open | Open | Open | Open |1 & 2|
|----------+--------+--------+--------+--------+-------+-----|
| 80487SX | Open | Open | Open | Open | Open |1 & 2|
|----------+--------+--------+--------+--------+-------+-----|
| CX486DX | Open | Open | Open | Closed |Closed |1 & 2|
|----------+--------+--------+--------+--------+-------+-----|
|SL80486DX | Closed | Closed | Closed | Open | Open |1 & 2|
|----------+--------+--------+--------+--------+-------+-----|
| 80486DX | Open | Open | Open | Open | Open |1 & 2|
|----------+--------+--------+--------+--------+-------+-----|
| CX486DX2 | Open | Open | Open | Closed |Closed |2 & 3|
|----------+--------+--------+--------+--------+-------+-----|
| 80486DX4 | Closed | Closed | Closed | Open | Open |1 & 2|
|----------+--------+--------+--------+--------+-------+-----|
| P24D | Open | Open | Open | Open | Open |1 & 2|
|----------+--------+--------+--------+--------+-------+-----|
| P24T | Open | Open | Open | Open | Open |1 & 2|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP21 | JP22 | JP23 |
|---------------------+------------+------------+------------|
| 20MHz | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed |
|---------------------+------------+------------+------------|
| 25MHz | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
|---------------------+------------+------------+------------|
| 33MHz | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|---------------------+------------+------------+------------|
| 40MHz | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
|---------------------+------------+------------+------------|
| 50iMHz | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
|---------------------+------------+------------+------------|
| 50MHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed |
|---------------------+------------+------------+------------|
| 66iMHz | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|---------------------+------------+------------+------------|
| 75iMHz | pins 1 & 2 | Open | pins 1 & 2 |
| | closed | | closed |
|---------------------+------------+------------+------------|
| 100iMHz (33MHz | Open | pins 1 & 2 | pins 1 & 2 |
| clock) | | closed | closed |
|---------------------+------------+------------+------------|
| 100iMHz (50MHz | Open | pins 1 & 2 | Open |
| clock) | | closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU BUS RATIO CONFIGURATION |
|------------------------------------------------------------|
| Ratio | JP65 |
|------------------------------+-----------------------------|
| 2x | Closed |
|------------------------------+-----------------------------|
| 3x | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU RDY# DELAY CONFIGURATION |
|------------------------------------------------------------|
| Setting | JP55 | JP69 |
|-------------+--------------------------+-------------------|
| 3v | pins 1 & 3, 2 & 4 closed | pins 2 & 3 closed |
|-------------+--------------------------+-------------------|
| 3.3v | pins 1 & 3, 2 & 4 closed | Open |
|-------------+--------------------------+-------------------|
| Fast VL-bus | pins 2 & 3, 3 & 5 closed | Open |
| devices | | |
|-------------+--------------------------+-------------------|
| Slow VL-bus | pins 3 & 4 closed | Closed |
| devices | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP64 | JP73 |
|------------+--------------------------+--------------------|
| 3v | pins 1 & 3, 2 & 4 closed | pins 2 & 3 closed |
|------------+--------------------------+--------------------|
| 3.3v | pins 1 & 3, 2 & 4 closed | Open |
|------------+--------------------------+--------------------|
| 3.45v | pins 1 & 3, 2 & 4 closed | pins 1 & 2 closed |
|------------+--------------------------+--------------------|
| 5v | pins 3 & 5, 4 & 6 closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA WAIT STATE CONFIGURATION |
|------------------------------------------------------------|
| Wait states | JP34 |
|-------------------------------+----------------------------|
| 0 wait states | Open |
|-------------------------------+----------------------------|
| 1 wait state | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS SPEED CONFIGURATION |
|------------------------------------------------------------|
| CPU speed | JP35 |
|-------------------------------+----------------------------|
| <= 33MHz | Open |
|-------------------------------+----------------------------|
| > 33MHz | Closed |
+------------------------------------------------------------+