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# ADVANCED INTEGRATION RESEARCH, INC.
486SH REV. 3.12
Processor 80486SX/80487SX/80486DX/ODP486SX/AM486DX2/80486DX2/AM486DX4/
80486DX4/Pentium Overdrive
Processor 25/33/40/50(internal)/50/66(internal)75(internal)/100(internal)MHz
Speed
Chip Set SIS
Max. 128MB
Onboard
DRAM
Cache 128/256/512KB
BIOS AMI
Dimensions 254mm x 218mm
I/O 32-bit VESA local bus slots (3)
Options
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+----------+----------------------+----------|
| Power LED & | J1 | Speaker | J4 |
| keylock | | | |
|---------------+----------+----------------------+----------|
| Reset switch | J2 | Turbo LED | J5 |
|---------------+----------+----------------------+----------|
| Turbo switch | J3 | 32-bit VESA local | SL1 - |
| | | bus slots | SL3 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Jumper | Position |
|--------------------------------------+--------+------------|
| | Turbo enabled | J3 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Turbo disabled | J3 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | JP16 | pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP16 | pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Monitor type select | JP17 | Open |
| | VGA/EGA/monochrome | | |
|---+----------------------------------+--------+------------|
| | Monitor type select CGA | JP17 | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+---------------+-------------+------------+----------|
| 2MB | (1) 512K x 36 | NONE | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 4MB | (1) 512K x 36 | NONE | (1) 512K x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 4MB | (1) 1M x 36 | NONE | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 6MB | (1) 512K x 36 | NONE | (1) 1M x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 8MB | (1) 512K x 36 | (1) 1M x 36 | (1) 512K x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 8MB | (1) 1M x 36 | NONE | (1) 1M x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 8MB | (1) 2M x 36 | NONE | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 12MB | (1) 512K x 36 | (1) 1M x 36 | (1) 512K x | (1) 1M x |
| | | | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 16MB | (1) 2M x 36 | NONE | (1) 2M x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 16MB | (1) 4M x 36 | NONE | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 18MB | (1) 512K x 36 | NONE | (1) 4M x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 20MB | (1) 512K x 36 | (1) 4M x 36 | (1) 512K x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 20MB | (1) 1M x 36 | NONE | (1) 4M x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 24MB | (1) 512K x 36 | (1) 1M x 36 | (1) 512K x | (1) 4M x |
| | | | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 24MB | (1) 1M x 36 | (1) 4M x 36 | (1) 1M x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 32MB | (1) 4M x 36 | NONE | (1) 4M x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 32MB | (1) 8M x 36 | NONE | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 36MB | (1) 512K x 36 | (1) 4M x 36 | (1) 512K x | (1) 4M x |
| | | | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 36MB | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 36MB | (1) 1M x 36 | NONE | (1) 8M x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 40MB | (1) 1M x 36 | (1) 4M x 36 | (1) 1M x | (1) 4M x |
| | | | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 40MB | (1) 1M x 36 | (1) 8M x 36 | (1) 1M x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 48MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 48MB | (1) 4M x 36 | NONE | (1) 8M x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 64MB | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x | (1) 4M x |
| | | | 36 | 36 |
|------+---------------+-------------+------------+----------|
| 64MB | (1) 16M x 36 | NONE | NONE | NONE |
|------+---------------+-------------+------------+----------|
| 64MB | (1) 4M x 36 | (1) 8M x 36 | (1) 4M x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 64MB | (1) 8M x 36 | NONE | (1) 8M x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 68MB | (1) 1M x 36 | NONE | (1) 16M x | NONE |
| | | | 36 | |
|------+---------------+-------------+------------+----------|
| 68MB | (1) 1M x 36 | (1) 8M x 36 | (1) 8M x | NONE |
| | | | 36 | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 1M x 36 | (1) 16M x | (1) 1M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 72MB | (1) 1M x 36 | (1) 8M x | (1) 1M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 4M x 36 | NONE | (1) 16M x | NONE |
| | | | 36 | |
|-------+-------------+------------+------------+------------|
| 80MB | (1) 4M x 36 | (1) 8M x | (1) 8M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 4M x 36 | (1) 16M x | (1) 4M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 4M x 36 | (1) 8M x | (1) 4M x | (1) 8M x |
| | | 36 | 36 | 36 |
|-------+-------------+------------+------------+------------|
| 96MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | NONE |
| | | 36 | 36 | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 16M x | NONE | (1) 16M x | NONE |
| | 36 | | 36 | |
|-------+-------------+------------+------------+------------|
| 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|--------------+---------------+--------------+--------------|
| 128KB | (4) 32K x 8 | NONE | (1) 32K x 8 |
|--------------+---------------+--------------+--------------|
| 256KB (A) | (4) 32K x 8 | (4) 32K x 8 | (1) 32K x 8 |
|--------------+---------------+--------------+--------------|
| 256KB (B) | (4) 64K x 8 | NONE | (1) 32K x 8 |
|--------------+---------------+--------------+--------------|
| 512KB | (4) 128K x 8 | NONE | (1) 32K x 8 |
|------------------------------------------------------------|
| Note: The orientation of Banks 0 & 1 are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP1 | JP2 | JP3 | JP4 | JP33 |
|--------+--------+--------+---------------+--------+--------|
| 128KB | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4 | 1 & 2 | 2 & 3 |
|--------+--------+--------+---------------+--------+--------|
| 256KB | 2 & 3 | 2 & 3 | 2 & 3, 4 & 5 | 1 & 2 | 2 & 3 |
| (A) | | | | | |
|--------+--------+--------+---------------+--------+--------|
| 256KB | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4 | 1 & 2 | 1 & 2 |
| (B) | | | | | |
|--------+--------+--------+---------------+--------+--------|
| 512KB | 1 & 2 | 2 & 3 | 1 & 2, 3 & 4 | 2 & 3 | 2 & 3 |
|------------------------------------------------------------|
| Note: The location of JP33 is unidentified. Pins |
| designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE CONFIGURATION |
|------------------------------------------------------------|
| Type | JP8 | JP9 | JP11 | JP30 | JP36 |
|----------+--------+---------+--------+---------+-----------|
| 80486SX | 2 & 3 | Open | Open | Open | 1 & 3, 2 |
| | | | | | & 4 |
|----------+--------+---------+--------+---------+-----------|
| 80487SX | 1 & 2 | Closed | 2 & 3 | Open | 1 & 3, 2 |
| | | | | | & 4 |
|----------+--------+---------+--------+---------+-----------|
| ODP486SX | 1 & 2 | Closed | 2 & 3 | Open | 1 & 3, 2 |
| | | | | | & 4 |
|----------+--------+---------+--------+---------+-----------|
| 80486DX | 1 & 2 | Closed | 3 & 4 | Open | 1 & 3, 2 |
| | | | | | & 4 |
|----------+--------+---------+--------+---------+-----------|
| AM486DX2 | 1 & 2 | Closed | 3 & 4 | Open | 3 & 5, 4 |
| | | | | | & 6 |
|----------+--------+---------+--------+---------+-----------|
| 80486DX2 | 1 & 2 | Closed | 3 & 4 | Open | 1 & 3, 2 |
| | | | | | & 4 |
|----------+--------+---------+--------+---------+-----------|
| AM486DX4 | 1 & 2 | Closed | 3 & 4 | Closed | 3 & 5, 4 |
| | | | | | & 6 |
|----------+--------+---------+--------+---------+-----------|
| 80486DX4 | 1 & 2 | Closed | 3 & 4 | Open | 3 & 5, 4 |
| | | | | | & 6 |
|----------+--------+---------+--------+---------+-----------|
| P24T | 1 & 2 | Closed | 2 & 3 | Open | 1 & 3, 2 |
| | | | | | & 4 |
|------------------------------------------------------------|
| Note: The location of JP30 is unidentified. Pins |
| designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED CONFIGURATION |
|------------------------------------------------------------|
| Speed | JP5 | JP6 | JP7 | JP29 |
|----------+---------+---------+---------+-------------------|
| 25MHz | Closed | Closed | Open | pins 1 & 2 closed |
|----------+---------+---------+---------+-------------------|
| 33MHz | Open | Closed | Closed | pins 1 & 2 closed |
|----------+---------+---------+---------+-------------------|
| 40MHz | Closed | Open | Open | pins 2 & 3 closed |
|----------+---------+---------+---------+-------------------|
| 50iMHz | Closed | Closed | Open | pins 1 & 2 closed |
|----------+---------+---------+---------+-------------------|
| 50MHz | Open | Open | Closed | pins 2 & 3 closed |
|----------+---------+---------+---------+-------------------|
| 66iMHz | Open | Closed | Closed | pins 1 & 2 closed |
|----------+---------+---------+---------+-------------------|
| 75iMHz | Closed | Closed | Open | pins 1 & 2 closed |
|----------+---------+---------+---------+-------------------|
| 100iMHz | Open | Closed | Closed | pins 2 & 3 closed |
+------------------------------------------------------------+