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# SHUTTLE COMPUTER INTERNATIONAL, INC.
HOT-419
Processor CX486S/80486SX/SL80486SX/UMC U5-S/CX486DX/AM486DX/80486DX/
SL80486DX/CX486DX2/AM486DX2/80486DX2/SL80486DX2/P24D/
AM486DX4/SL80486DX4/Pentium Overdrive
Processor 20/25/33/40/50(internal)/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)
Options
NPU NONE
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Reset switch | CN1 | External battery | J1 |
|---------------+----------+----------------------+----------|
| Turbo switch | CN2 | Green PC connector | JP63 |
|---------------+----------+----------------------+----------|
| Speaker | CN3 | EPMI connector | JP68 |
|---------------+----------+----------------------+----------|
| Power LED & | CN4 | 32-bit VESA local | SL1 - |
| keylock | | bus slots | SL3 |
|---------------+----------+----------------------+----------|
| Turbo LED | CN5 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
|----+---------------------------------+--------+------------|
| » | Factory configured - do not | JP53 | N/A |
| | alter | | |
|----+---------------------------------+--------+------------|
| » | P24T CPU cache type select | JP58 | Closed |
| | write back | | |
|----+---------------------------------+--------+------------|
| | P24T CPU cache type select | JP58 | Open |
| | write through | | |
|----+---------------------------------+--------+------------|
| » | P24D CPU cache type select | JP59 | Closed |
| | write back | | |
|----+---------------------------------+--------+------------|
| | P24D CPU cache type select | JP59 | Open |
| | write through | | |
|----+---------------------------------+--------+------------|
| » | Factory configured - do not | JP67 | N/A |
| | alter | | |
|----+---------------------------------+--------+------------|
| » | Factory configured - do not | JP74 | N/A |
| | alter | | |
|----+---------------------------------+--------+------------|
| » | Factory configured - do not | JP77 | N/A |
| | alter | | |
|----+---------------------------------+--------+------------|
| » | Factory configured - do not | JP79 | N/A |
| | alter | | |
|------------------------------------------------------------|
| Note: The location of JP53 JP58 and JP67 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION 1 |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 1MB | (1) 256K x | NONE | NONE | NONE |
| | 36 | | | |
|-------+-------------+------------+------------+------------|
| 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 | Bank 3 |
|--------+---------------+---------------+---------+---------|
| 1MB | (1) 256K x 36 | NONE | NONE | NONE |
|--------+---------------+---------------+---------+---------|
| 2MB | (1) 512K x 36 | NONE | NONE | NONE |
|--------+---------------+---------------+---------+---------|
| 4MB | (1) 512K x 36 | (1) 512K x 36 | NONE | NONE |
|--------+---------------+---------------+---------+---------|
| 4MB | (1) 1M x 36 | NONE | NONE | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION 2 (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+--------------+--------------+-------------+--------|
| 6MB | (1) 512K x | (1) 1M x 36 | NONE | NONE |
| | 36 | | | |
|-------+--------------+--------------+-------------+--------|
| 6MB | (1) 512K x | (1) 512K x | (1) 512K x | NONE |
| | 36 | 36 | 36 | |
|-------+--------------+--------------+-------------+--------|
| 8MB | (1) 2M x 36 | NONE | NONE | NONE |
|-------+--------------+--------------+-------------+--------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | NONE | NONE |
|-------+--------------+--------------+-------------+--------|
| 12MB | (1) 1M x 36 | (1) 2M x 36 | NONE | NONE |
|-------+--------------+--------------+-------------+--------|
| 12MB | (1) 512K x | (1) 512K x | (1) 2M x 36 | NONE |
| | 36 | 36 | | |
|-------+--------------+--------------+-------------+--------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 | NONE | NONE |
|-------+--------------+--------------+-------------+--------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 2M x 36 | NONE |
|-------+--------------+--------------+-------------+--------|
| 20MB | (1) 1M x 36 | (1) 4M x 36 | NONE | NONE |
|-------+--------------+--------------+-------------+--------|
| 20MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x 36 | NONE |
|-------+--------------+--------------+-------------+--------|
| 24MB | (1) 1M x 36 | (1) 1M x 36 | (1) 4M x 36 | NONE |
|-------+--------------+--------------+-------------+--------|
| 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x 36 | NONE |
|-------+--------------+--------------+-------------+--------|
| 32MB | (1) 8M x 36 | NONE | NONE | NONE |
|-------+--------------+--------------+-------------+--------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 | NONE | NONE |
|-------+--------------+--------------+-------------+--------|
| 32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 4M x 36 | NONE |
|-------+--------------+--------------+-------------+--------|
| 40MB | (1) 1M x 36 | (1) 1M x 36 | (1) 8M x 36 | NONE |
|-------+--------------+--------------+-------------+--------|
| 48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 | NONE |
|-------+--------------+--------------+-------------+--------|
| 48MB | (1) 2M x 36 | (1) 2M x 36 | (1) 8M x 36 | NONE |
|-------+--------------+--------------+-------------+--------|
| 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 8M x 36 | NONE |
|-------+--------------+--------------+-------------+--------|
| 64MB | (1) 16M x 36 | NONE | NONE | NONE |
|-------+--------------+--------------+-------------+--------|
| 64MB | (1) 8M x 36 | (1) 8M x 36 | NONE | NONE |
|-------+--------------+--------------+-------------+--------|
| 96MB | (1) 8M x 36 | (1) 8M x 36 | (1) 8M x 36 | NONE |
|-------+--------------+--------------+-------------+--------|
| 128MB | (1) 16M x 36 | (1) 16M x 36 | NONE | NONE |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Type | JP60 | JP61 | JP62 | JP70 | JP71 | JP72 |
|------+--------+--------+--------+--------+--------+--------|
| 1 | Closed | Closed | Closed | pins 1 | pins 1 | pins 1 |
| | | | | & 2 | & 2 | & 2 |
| | | | | closed | closed | closed |
|------+--------+--------+--------+--------+--------+--------|
| 2 | Open | Open | Open | pins 2 | pins 2 | pins 2 |
| | | | | & 3 | & 3 | & 3 |
| | | | | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 | JP5 | JP10 | JP11 | JP13 | JP50 |
|-------+------+--------+--------+------------------+--------|
| 64KB | Open | Open | Open | Pins 2 & 3 | Open |
| | | | | closed | |
|-------+------+--------+--------+------------------+--------|
| 128KB | Open | Open | Closed | Pins 1 & 2 | Open |
| | | | | closed | |
|-------+------+--------+--------+------------------+--------|
| 256KB | Open | Closed | Closed | Pins 2 & 3 | Open |
| | | | | closed | |
|-------+------+--------+--------+------------------+--------|
| 512KB | Open | Closed | Closed | Pins 1 & 2 | Closed |
| | | | | closed | |
|------------------------------------------------------------|
| Note: JP5 may not be present on all revisions. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JPA | JPB |
|------------+------------------------+----------------------|
| CX486S | 6 & 7, 8 & 9, 10 & 11, | Open |
| | 12 & 13 | |
|------------+------------------------+----------------------|
| 80486SX | 6 & 7, 8 & 9, 10 & 11, | 3 & 4, 5 & 6, 7 & 8, |
| | 12 & 13 | 9 & 10 |
|------------+------------------------+----------------------|
| SL80486SX | 6 & 7, 8 & 9, 10 & 11, | 3 & 4, 5 & 6, 7 & 8, |
| | 12 & 13 | 9 & 10 |
|------------+------------------------+----------------------|
| UMC U5-S | 6 & 7, 8 & 9, 10 & 11, | 3 & 4, 5 & 6, 7 & 8, |
| | 12 & 13 | 9 & 10 |
|------------+------------------------+----------------------|
| CX486DX | 5 & 6, 7 & 8, 9 & 10, | Open |
| | 11 & 12 | |
|------------+------------------------+----------------------|
| AM486DX | 5 & 6, 7 & 8, 9 & 10, | 1 & 2, 3 & 4, 5 & 6, |
| | 11 & 12 | 7 & 8 |
|------------+------------------------+----------------------|
| 80486DX | 5 & 6, 7 & 8, 9 & 10, | 3 & 4, 5 & 6, 7 & 8, |
| | 11 & 12 | 9 & 10 |
|------------+------------------------+----------------------|
| SL80486DX | 5 & 6, 7 & 8, 9 & 10, | 3 & 4, 5 & 6, 7 & 8, |
| | 11 & 12 | 9 & 10 |
|------------+------------------------+----------------------|
| CX486DX2 | 5 & 6, 7 & 8, 9 & 10, | Open |
| | 11 & 12 | |
|------------+------------------------+----------------------|
| AM468DX2 | 5 & 6, 7 & 8, 9 & 10, | 1 & 2, 3 & 4, 5 & 6, |
| | 11 & 12 | 7 & 8 |
|------------+------------------------+----------------------|
| 80486DX2 | 5 & 6, 7 & 8, 9 & 10, | 3 & 4, 5 & 6, 7 & 8, |
| | 11 & 12 | 9 & 10 |
|------------+------------------------+----------------------|
| SL80486DX2 | 5 & 6, 7 & 8, 9 & 10, | 3 & 4, 5 & 6, 7 & 8, |
| | 11 & 12 | 9 & 10 |
|------------+------------------------+----------------------|
| P24D | 1 & 2, 3 & 4, 5 & 6, 7 | 3 & 4, 5 & 6, 7 & 8, |
| | & 8 | 9 & 10 |
|------------+------------------------+----------------------|
| AM486DX4 | 5 & 6, 7 & 8, 9 & 10, | 1 & 2, 3 & 4, 5 & 6, |
| | 11 & 12 | 7 & 8 |
|------------+------------------------+----------------------|
| SL80486DX4 | 5 & 6, 7 & 8, 9 & 10, | 3 & 4, 5 & 6, 7 & 8, |
| | 11 & 12 | 9 & 10 |
|------------+------------------------+----------------------|
| P24T | 3 & 4, 5 &6, 7 & 8, 9 | 3 & 4, 5 & 6, 7 & 8, |
| | & 10 | 9 & 10 |
|------------------------------------------------------------|
| Note: Pins designated should be in closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JPC | JP44 | JP45 | JP46 |
|------------+--------------------+--------+--------+--------|
| CX486S | 1 & 2, 3 & 4, 5 & | Open | Open | Open |
| | 6, 7 & 8 | | | |
|------------+--------------------+--------+--------+--------|
| 80486SX | Open | Open | Open | Open |
|------------+--------------------+--------+--------+--------|
| SL80486SX | Open | Closed | Closed | Closed |
|------------+--------------------+--------+--------+--------|
| UMC U5-S | Open | Open | Open | Open |
|------------+--------------------+--------+--------+--------|
| CX486DX | 1 & 2, 3 & 4, 5 & | Open | Open | Open |
| | 6, 7 & 8 | | | |
|------------+--------------------+--------+--------+--------|
| AM486DX | Open | Open | Open | Open |
|------------+--------------------+--------+--------+--------|
| 80486DX | Open | Open | Open | Open |
|------------+--------------------+--------+--------+--------|
| SL80486DX | Open | Closed | Closed | Closed |
|------------+--------------------+--------+--------+--------|
| CX486DX2 | 1 & 2, 3 & 4, 5 & | Open | Open | Open |
| | 6, 7 & 8 | | | |
|------------+--------------------+--------+--------+--------|
| AM468DX2 | Open | Open | Open | Open |
|------------+--------------------+--------+--------+--------|
| 80486DX2 | Open | Open | Open | Open |
|------------+--------------------+--------+--------+--------|
| SL80486DX2 | Open | Closed | Closed | Closed |
|------------+--------------------+--------+--------+--------|
| P24D | Open | Closed | Closed | Closed |
|------------+--------------------+--------+--------+--------|
| AM486DX4 | Open | Open | Open | Open |
|------------+--------------------+--------+--------+--------|
| SL80486DX4 | Open | Closed | Closed | Closed |
|------------+--------------------+--------+--------+--------|
| P24T | Open | Closed | Closed | Closed |
|------------------------------------------------------------|
| Note: Pins designated should be in closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Type | JP47 | JP48 | JP65 |
|----------------+---------------+--------------+------------|
| CX486S | Closed | Closed | Open |
|----------------+---------------+--------------+------------|
| 80486SX | Open | Open | Open |
|----------------+---------------+--------------+------------|
| SL80486SX | Open | Open | Open |
|----------------+---------------+--------------+------------|
| UMC U5-S | Open | Open | Open |
|----------------+---------------+--------------+------------|
| CX486DX | Closed | Closed | Open |
|----------------+---------------+--------------+------------|
| AM486DX | Open | Open | Open |
|----------------+---------------+--------------+------------|
| 80486DX | Open | Open | Open |
|----------------+---------------+--------------+------------|
| SL80486DX | Open | Open | Open |
|----------------+---------------+--------------+------------|
| CX486DX2 | Closed | Closed | Open |
|----------------+---------------+--------------+------------|
| AM468DX2 | Open | Open | Open |
|----------------+---------------+--------------+------------|
| 80486DX2 | Open | Open | Open |
|----------------+---------------+--------------+------------|
| SL80486DX2 | Open | Open | Open |
|----------------+---------------+--------------+------------|
| P24D | Open | Open | Open |
|----------------+---------------+--------------+------------|
| AM486DX4 | Open | Open | Open |
|----------------+---------------+--------------+------------|
| SL80486DX4 | Open | Open | Open |
|----------------+---------------+--------------+------------|
| P24T | Open | Open | Open |
|------------------------------------------------------------|
| 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 | pins 2 & 3 | Open | pins 2 & 3 |
| | closed | | closed |
|---------+----------------+----------------+----------------|
| 100iMHz | Open | pins 2 & 3 | pins 2 & 3 |
| | | closed | closed |
|---------+----------------+----------------+----------------|
| 100iMHz | Open | pins 2 & 3 | Open |
| | | closed | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION (80486DX4 ONLY) |
|------------------------------------------------------------|
| Speed | JP65 |
|----------------------------+-------------------------------|
| 2x | pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 3x | pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE CONFIGURATION |
|------------------------------------------------------------|
| CPU Voltage | JP64 | JP73 |
|-------------+--------------------------+-------------------|
| 3.33v | pins 3 & 5, 4 & 6 closed | pins 1 & 2 closed |
|-------------+--------------------------+-------------------|
| 3.45v | pins 3 & 5, 4 & 6 closed | Open |
|-------------+--------------------------+-------------------|
| 4.0v | pins 3 & 5, 4 & 6 closed | pins 2 & 3 closed |
|-------------+--------------------------+-------------------|
| 5.0v | pins 1 & 3, 2 & 4 closed | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SIGNAL DELAY CONFIGURATION |
|------------------------------------------------------------|
| CPU Delay | JP55 | JP69 |
|------------------+--------------------------+--------------|
| Delay 1 | pins 1 & 2, 3 & 4 closed | Open |
|------------------+--------------------------+--------------|
| Delay 2 | pins 2 & 3 closed | 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 |
+------------------------------------------------------------+