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# SHUTTLE COMPUTER INTERNATIONAL, INC.
HOT-419 (VER.1.1)
Processor CX486S/SL80486SX/80486SX/80487SX/CX486S2/CX486DX/AM80486DX/
SL80486DX/80486DX/CX486DX2/80486DX2/80486DX4/P24D/ 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 218mm
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 & | JP2 | Green PC | JP68 |
| keylock | | connector | |
|------------------+----------+-------------------+----------|
| Turbo LED | JP16 | Reset switch | S1 |
|------------------+----------+-------------------+----------|
| Turbo switch | JP17 | 32-bit VESA local | SL1 - |
| | | bus slots | SL3 |
|------------------+----------+-------------------+----------|
| Speaker | JP18 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| » | Monitor type select color | JP30 | Closed |
|---+----------------------------------+--------+------------|
| | Monitor type select monochrome | JP30 | Open |
|---+----------------------------------+--------+------------|
| » | ADS signal delay disabled | JP36 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | ADS signal delay enabled | JP36 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | CPU cache type select write back | JP58 | Closed |
| | (P24T) | | |
|---+----------------------------------+--------+------------|
| | CPU cache type select write | JP58 | Open |
| | through (P24T) | | |
|---+----------------------------------+--------+------------|
| » | CPU cache type select write back | JP59 | Closed |
| | (P24D) | | |
|---+----------------------------------+--------+------------|
| | CPU cache type select write | JP59 | Open |
| | through (P24D) | | |
|---+----------------------------------+--------+------------|
| » | Clock ratio select 2x | JP65 | Closed |
|---+----------------------------------+--------+------------|
| | Clock ratio select 3x | JP65 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 0/1 | Bank 2/3 |
|------------+---------------+---------------+---------------|
| 1MB | (4) 256K x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 2MB | NONE | (1) 256K x 36 | (1) 256K x 36 |
|------------+---------------+---------------+---------------|
| 4MB | (4) 1M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 4MB | NONE | (1) 512K x 36 | (1) 512K x 36 |
|------------+---------------+---------------+---------------|
| 4MB | NONE | (1) 1M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 6MB | NONE | (1) 512K x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 8MB | NONE | (1) 2M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 8MB | NONE | (1) 1M x 36 | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 8MB | (4) 1M x 9 | NONE | (1) 1M x 36 |
|------------+---------------+---------------+---------------|
| 10MB | NONE | (1) 512K x 36 | (1) 2M x 36 |
|------------+---------------+---------------+---------------|
| 12MB | NONE | (1) 1M x 36 | (1) 2M x 36 |
|------------+---------------+---------------+---------------|
| 12MB | (4) 1M x 9 | NONE | (1) 2M x 36 |
|------------+---------------+---------------+---------------|
| 16MB | (4) 4M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 16MB | NONE | (1) 2M x 36 | (1) 2M x 36 |
|------------+---------------+---------------+---------------|
| 16MB | NONE | (1) 4M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 20MB | (4) 1M x 9 | NONE | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 20MB | NONE | (1) 1M x 9 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 32MB | NONE | (1) 4M x 36 | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 32MB | (4) 4M x 9 | NONE | (1) 4M x 36 |
|------------+---------------+---------------+---------------|
| 64MB | (4) 16M x 9 | NONE | NONE |
|------------+---------------+---------------+---------------|
| 64MB | NONE | (1) 8M x 36 | (1) 8M x 36 |
|------------+---------------+---------------+---------------|
| 64MB | NONE | (1) 16M x 36 | NONE |
|------------+---------------+---------------+---------------|
| 128MB | NONE | (1) 16M x 36 | (1) 16M x 36 |
|------------+---------------+---------------+---------------|
| 128MB | (4) 16M x 9 | NONE | (1) 16M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | (4) 32K x 8 | (1) 32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP10 | JP11 | JP13 | JP50 | JP67 |
|----------+----------+---------+--------+---------+---------|
| 64KB | Open | Open | 2 & 3 | Open | Closed |
|----------+----------+---------+--------+---------+---------|
| 128KB | Open | Closed | 1 & 2 | Open | Open |
|----------+----------+---------+--------+---------+---------|
| 256KB | Closed | Closed | 2 & 3 | Open | Closed |
|----------+----------+---------+--------+---------+---------|
| 512KB | Closed | Closed | 1 & 2 | Closed | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP3 | JP5 | JP8 | JP42 | JP43 | JP44 |
|-----------+-------+-------+-------+-------+-------+--------|
| CX486S | Open | Open | 2 & 3 | 2 & 3 | 1 & 2 | Open |
|-----------+-------+-------+-------+-------+-------+--------|
| SL80486SX | Open | Open | 2 & 3 | 1 & 2 | 1 & 2 | Closed |
|-----------+-------+-------+-------+-------+-------+--------|
| 80486SX | 1 & 2 | 2 & 3 | 1 & 2 | Open | 1 & 2 | Open |
|-----------+-------+-------+-------+-------+-------+--------|
| 80487SX | 1 & 2 | 2 & 3 | 1 & 2 | Open | 1 & 2 | Open |
|-----------+-------+-------+-------+-------+-------+--------|
| CX486S2 | Open | Open | 2 & 3 | 2 & 3 | 2 & 3 | Open |
|-----------+-------+-------+-------+-------+-------+--------|
| CX486DX | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 1 & 2 | Open |
|-----------+-------+-------+-------+-------+-------+--------|
| AM80486DX | 1 & 2 | 2 & 3 | 1 & 2 | Open | 1 & 2 | Open |
|-----------+-------+-------+-------+-------+-------+--------|
| SL80486DX | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | Closed |
|-----------+-------+-------+-------+-------+-------+--------|
| 80486DX | 1 & 2 | 2 & 3 | 1 & 2 | Open | 1 & 2 | Open |
|-----------+-------+-------+-------+-------+-------+--------|
| CX486DX2 | 1 & 2 | 2 & 3 | 1 & 2 | 2 & 3 | 2 & 3 | Open |
|-----------+-------+-------+-------+-------+-------+--------|
| 80486DX2 | 1 & 2 | 2 & 3 | 1 & 2 | Open | 1 & 2 | Open |
|-----------+-------+-------+-------+-------+-------+--------|
| 80486DX4 | 1 & 2 | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | Closed |
|-----------+-------+-------+-------+-------+-------+--------|
| P24D | 2 & 3 | 2 & 3 | 1 & 2 | Open | 1 & 2 | Open |
|-----------+-------+-------+-------+-------+-------+--------|
| P24T | 2 & 3 | 2 & 3 | 1 & 2 | Open | 1 & 2 | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JP45 | JP46 | JP47 | JP48 | JP49 |
|-----------+---------+---------+---------+---------+--------|
| CX486S | Open | Open | Closed | Closed | 1 & 2 |
|-----------+---------+---------+---------+---------+--------|
| SL80486SX | Closed | Closed | Open | Open | 1 & 2 |
|-----------+---------+---------+---------+---------+--------|
| 80486SX | Open | Open | Open | Open | 1 & 2 |
|-----------+---------+---------+---------+---------+--------|
| 80487SX | Open | Open | Open | Open | 1 & 2 |
|-----------+---------+---------+---------+---------+--------|
| CX486S2 | Open | Open | Closed | Closed | 2 & 3 |
|-----------+---------+---------+---------+---------+--------|
| CX486DX | Open | Open | Closed | Closed | 1 & 2 |
|-----------+---------+---------+---------+---------+--------|
| AM80486DX | Open | Open | Open | Open | 1 & 2 |
|-----------+---------+---------+---------+---------+--------|
| SL80486DX | Closed | Closed | Open | Open | 1 & 2 |
|-----------+---------+---------+---------+---------+--------|
| 80486DX | Open | Open | Open | Open | 1 & 2 |
|-----------+---------+---------+---------+---------+--------|
| CX486DX2 | Open | Open | Closed | Closed | 1 & 2 |
|-----------+---------+---------+---------+---------+--------|
| 80486DX2 | Open | Open | Open | Open | 1 & 2 |
|-----------+---------+---------+---------+---------+--------|
| 80486DX4 | Closed | Closed | Open | Open | 1 & 2 |
|-----------+---------+---------+---------+---------+--------|
| P24D | Open | Open | Open | Open | 1 & 2 |
|-----------+---------+---------+---------+---------+--------|
| P24T | Open | Open | Open | Open | 1 & 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP21 | JP22 | JP23 |
|---------+----------------+----------------+----------------|
| 20MHz | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 25MHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 33MHz | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 40MHz | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 50iMHz | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 50MHz | pins 1 & 2 | pins 2 & 3 | pins 1 & 2 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 66iMHz | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 75iMHz | Open | pins 2 & 3 | pins 2 & 3 |
| | | closed | closed |
|---------+----------------+----------------+----------------|
| 100iMHz | pins 2 & 3 | Open | pins 2 & 3 |
| | closed | | closed |
|---------+----------------+----------------+----------------|
| 100iMHz | pins 2 & 3 | Open | Open |
| | closed | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| Voltage | JP64 |
|----------------------------+-------------------------------|
| 3.3v | pins 3 & 5, 4 & 6 closed |
|----------------------------+-------------------------------|
| 5v | pins 1 & 3, 2 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VESA WAIT STATE CONFIGURATION |
|------------------------------------------------------------|
| Wait states | JP33 |
|-------------------------------+----------------------------|
| 0 wait states | Open |
|-------------------------------+----------------------------|
| 1 wait state | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BUS SPEED CONFIGURATION |
|------------------------------------------------------------|
| CPU speed | JP34 |
|-------------------------------+----------------------------|
| <= 33MHz | Open |
|-------------------------------+----------------------------|
| > 33MHz | Closed |
+------------------------------------------------------------+