TEXT View Source
# BIOSTAR MICROTECH INTERNATIONAL CORPORATION
MB-8425UUD-A, MB-8433UUD-A, MB-8440UUD-A (VER. 1 & 2, ALL
MODELS)
Processor UMCU5S/CX486DX/AM486DX/(SL)AM486DX(SV8B)/(SL)AM486DX(SV8T)/80486DX/CX486DX2/AM486DX2/9SL)AM486DX2(SV8B)/
(SL)AM486DX2(SV8T)/80486DX2/CX486DX4/(SL)CX486DX4/AM486DX4/(SL)AM486DX4(SV8B)/(SL)AM486DX4(SV8T)/80486DX4/P24D/P24T/
CX5X86/AM5X86
Processor 25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set Unidentified
Video Chip None
Set
Maximum 128MB
Onboard
Memory
Maximum None
Video
Memory
Cache 128/256/512KB
BIOS Award
Dimensions 220mm x 220mm
I/O 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse
Options port, serial ports (2)
NPU None
Options
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+-----------+---------------+-----------|
| Serial port 1 | CN1 | Green PC LED | JP1 pins |
| | | | 14 & 15 |
|--------------------+-----------+---------------+-----------|
| Serial port 2 | CN2 | Reset switch | JP1 |
| | | | pins12 & |
| | | | 13 |
|--------------------+-----------+---------------+-----------|
| Parallel port | CN3 | Green PC | JP1 pins |
| | | connector | 17 & 18 |
|--------------------+-----------+---------------+-----------|
| Floppy drive | CN4 | IDE interface | JP1 pins |
| interface | | LED | 20 & 21 |
|--------------------+-----------+---------------+-----------|
| IDE interface 1 | CN5 | Turbo switch | JP1 pins |
| | | | 23 & 24 |
|--------------------+-----------+---------------+-----------|
| IDE interface 2 | CN6 | +12v ground | JP1 pins |
| | | | 25 & 26 |
|--------------------+-----------+---------------+-----------|
| PS/2 mouse port | CN7 | External | JP42 |
| | | battery | |
|--------------------+-----------+---------------+-----------|
| Speaker | JP1 pins | PS/2 mouse | JP47 |
| | 1- 4 | interface | |
|--------------------+-----------+---------------+-----------|
| Power LED & | JP1 pins | 32-bit PCI | PC1 - PC3 |
| keylock | 5 - 9 | slots | |
|--------------------+-----------+---------------+-----------|
| Turbo LED | JP1 pins | | |
| | 10 & 11 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|--------------------------------------+--------+------------|
| » | Dallas DS12887A normal operation | JP12 | Pins 3 & 4 |
| | | | open |
|---+----------------------------------+--------+------------|
| | Dallas DS12887A clear | JP12 | Pins 3 & 4 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Flash BIOS voltage select 12v | JP13 | Pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Flash BIOS voltage select 5v | JP13 | Pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | EPROM BIOS used | JP13 | Open |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | JP42 | Pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP42 | Pins 3 & 4 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Battery type select external | JP42 | Closed |
|------------------------------------------------------------|
| Note: JP12 is only present if the Dallas |
| DS12887A(BQ3287A)/OEC12C887A clock is installed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 1MB | (1) 256K x | None | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 2MB | (1) 512K x | None | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 2MB | (1) 256K x | (1) 256K x | None | None |
| | 36 | 36 | | |
|------+-------------+-------------+------------+------------|
| 3MB | (1) 256K x | (1) 256K x | (1) 256K x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 1M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 512K x | (1) 256K x | (1) 256K x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 512K x | (1) 512K x | None | None |
| | 36 | 36 | | |
|------+-------------+-------------+------------+------------|
| 4MB | (1) 256K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 1M x 36 | (1) 256K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 512K x | (1) 256K x | (1) 256K x | (1) 256K x |
| | 36 | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 256K x | (1) 512K x | (1) 512K x | None |
| | 36 | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 5MB | (1) 256K x | (1) 1M x 36 | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 1M x 36 | (1) 256K x | (1) 256K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 6MB | (1) 1M x 36 | (1) 512K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 7MB | (1) 256K x | (1) 512K x | (1) 512K x | (1) 512K x |
| | 36 | 36 | 36 | 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 2M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 512K x | (1) 512K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 8MB | (1) 1M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 9MB | (1) 256K x | (1) 2M x 36 | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 2M x 36 | (1) 256K x | (1) 256K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 2M x 36 | (1) 512K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 10MB | (1) 1M x 36 | (1) 512K x | (1) 512K x | (1) 512K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 11MB | (1) 2M x 36 | (1) 256K x | (1) 256K x | (1) 256K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 2M x 36 | (1) 512K x | (1) 512K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 2M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 12MB | (1) 1M x 36 | (1) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 13MB | (1) 256K x | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 14MB | (1) 2M x 36 | (1) 512K x | (1) 512K x | (1) 512K x |
| | | 36 | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 4M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 1M x 36 | (1) 1M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 2M x 36 | (1) 2M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 16MB | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 17MB | (1) 4M x 36 | (1) 256K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 17MB | (1) 256K x | (1) 2M x 36 | (1) 2M x | None |
| | 36 | | 36 | |
|------+-------------+-------------+------------+------------|
| 17MB | (1) 256K x | (1) 4M x 36 | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 4M x 36 | (1) 256K x | (1) 256K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 18MB | (1) 4M x 36 | (1) 512K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 4M x 36 | (1) 1M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 2M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 20MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 24MB | (1) 2M x 36 | (1) 4M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 25MB | (1) 256K x | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 26MB | (1) 512K x | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | 36 | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 28MB | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x | (1) 1M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 28MB | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 8M x 36 | None | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 2M x 36 | (1) 2M x | None |
| | | | 36 | |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 4M x 36 | (1) 4M x 36 | None | None |
|------+-------------+-------------+------------+------------|
| 32MB | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x | (1) 2M x |
| | | | 36 | 36 |
|------+-------------+-------------+------------+------------|
| 33MB | (1) 8M x 36 | (1) 256K x | None | None |
| | | 36 | | |
|------+-------------+-------------+------------+------------|
| 33MB | (1) 256K x | (1) 8M x 36 | None | None |
| | 36 | | | |
|------+-------------+-------------+------------+------------|
| 34MB | (1) 8M x 36 | (1) 256K x | (1) 256K x | None |
| | | 36 | 36 | |
|------+-------------+-------------+------------+------------|
| 34MB | (1) 8M x 36 | (1) 512K x | None | None |
| | | 36 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON’T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|--------+--------------+------------+------------+----------|
| 34MB | (1) 512K x | (1) 4M x | (1) 4M x | None |
| | 36 | 36 | 36 | |
|--------+--------------+------------+------------+----------|
| 34MB | (1) 512K x | (1) 8M x | None | None |
| | 36 | 36 | | |
|--------+--------------+------------+------------+----------|
| 35MB | (1) 8M x 36 | (1) 256K x | (1) 256K x | (1) 256K |
| | | 36 | 36 | x 36 |
|--------+--------------+------------+------------+----------|
| 36MB | (1) 8M x 36 | (1) 512K x | (1) 512K x | None |
| | | 36 | 36 | |
|--------+--------------+------------+------------+----------|
| 36MB | (1) 8M x 36 | (1) 1M x | None | None |
| | | 36 | | |
|--------+--------------+------------+------------+----------|
| 36MB | (1) 1M x 36 | (1) 4M x | (1) 4M x | None |
| | | 36 | 36 | |
|--------+--------------+------------+------------+----------|
| 38MB | (1) 8M x 36 | (1) 512K x | (1) 512K x | (1) 512K |
| | | 36 | 36 | x 36 |
|--------+--------------+------------+------------+----------|
| 40MB | (1) 8M x 36 | (1) 1M x | (1) 1M x | None |
| | | 36 | 36 | |
|--------+--------------+------------+------------+----------|
| 40MB | (1) 8M x 36 | (1) 2M x | None | None |
| | | 36 | | |
|--------+--------------+------------+------------+----------|
| 40MB | (1) 4M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|--------+--------------+------------+------------+----------|
| 40MB | (1) 2M x 36 | (1) 4M x | (1) 4M x | None |
| | | 36 | 36 | |
|--------+--------------+------------+------------+----------|
| 40MB | (1) 2M x 36 | (1) 8M x | None | None |
| | | 36 | | |
|--------+--------------+------------+------------+----------|
| 48MB | (1) 8M x 36 | (1) 4M x | None | None |
| | | 36 | | |
|--------+--------------+------------+------------+----------|
| 48MB | (1) 4M x 36 | (1) 8M x | None | None |
| | | 36 | | |
|--------+--------------+------------+------------+----------|
| 49MB | (1) 256K x | (1) 4M x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|--------+--------------+------------+------------+----------|
| 50MB | (1) 512K x | (1) 4M x | (1) 4M x | (1) 4M x |
| | 36 | 36 | 36 | 36 |
|--------+--------------+------------+------------+----------|
| 52MB | (1) 1M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|--------+--------------+------------+------------+----------|
| 56MB | (1) 8M x 36 | (1) 2M x | (1) 2M x | (1) 2M x |
| | | 36 | 36 | 36 |
|--------+--------------+------------+------------+----------|
| 56MB | (1) 2M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|--------+--------------+------------+------------+----------|
| 64MB | (1) 8M x 36 | (1) 4M x | (1) 4M x | None |
| | | 36 | 36 | |
|--------+--------------+------------+------------+----------|
| 64MB | (1) 8M x 36 | (1) 8M x | None | None |
| | | 36 | | |
|--------+--------------+------------+------------+----------|
| 64MB | (1) 4M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|--------+--------------+------------+------------+----------|
| 65MB | (1) 256K x | (1) 8M x | (1) 8M x | None |
| | 36 | 36 | 36 | |
|--------+--------------+------------+------------+----------|
| 66MB | (1) 512K x | (1) 8M x | (1) 8M x | None |
| | 36 | 36 | 36 | |
|--------+--------------+------------+------------+----------|
| 68MB | (1) 1M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|--------+--------------+------------+------------+----------|
| 72MB | (1) 2M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|--------+--------------+------------+------------+----------|
| 80MB | (1) 8M x 36 | (1) 4M x | (1) 4M x | (1) 4M x |
| | | 36 | 36 | 36 |
|--------+--------------+------------+------------+----------|
| 96MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | None |
| | | 36 | 36 | |
|--------+--------------+------------+------------+----------|
| 97MB | (1) 256K x | (1) 8M x | (1) 8M x | (1) 8M x |
| | 36 | 36 | 36 | 36 |
|--------+--------------+------------+------------+----------|
| 98MB | (1) 512K x | (1) 8M x | (1) 8M x | (1) 8M x |
| | 36 | 36 | 36 | 36 |
|--------+--------------+------------+------------+----------|
| 100MB | (1) 1M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|--------+--------------+------------+------------+----------|
| 104MB | (1) 2M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|--------+--------------+------------+------------+----------|
| 112MB | (1) 4M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|--------+--------------+------------+------------+----------|
| 128MB | (1) 8M x 36 | (1) 8M x | (1) 8M x | (1) 8M x |
| | | 36 | 36 | 36 |
|------------------------------------------------------------|
| Note: Not all configurations are shown. Any SIMM can be |
| installed in any bank. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|-------------+---------------+---------------+--------------|
| 128KB | (4) 32K x 8 | None | (1) 8K x 8 |
|-------------+---------------+---------------+--------------|
| 256KB (A) | (4) 64K x 8 | None | (1) 32K x 8 |
|-------------+---------------+---------------+--------------|
| 256KB (B) | (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 | JP6 | JP7 |
|-----------+------------+-------------------+---------------|
| 128KB | Pins 1 & 2 | Open | Open |
| | closed | | |
|-----------+------------+-------------------+---------------|
| 256KB (A) | Pins 1 & 2 | Pins 1 & 2 closed | Pins 1 & 2 |
| | closed | | closed |
|-----------+------------+-------------------+---------------|
| 256KB (B) | Pins 2 & 3 | Pins 1 & 2 closed | Open |
| | closed | | |
|-----------+------------+-------------------+---------------|
| 512KB | Pins 1 & 2 | Pins 1 & 2, 3 & 4 | Pins 1 & 2, 3 |
| | closed | closed | & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
| Speed | JP15 | JP16 | JP17 |
|---------------+---------------+--------------+-------------|
| 25MHz | Open | Open | Closed |
|---------------+---------------+--------------+-------------|
| 33MHz | Closed | Closed | Closed |
|---------------+---------------+--------------+-------------|
| 40MHz | Open | Closed | Closed |
|---------------+---------------+--------------+-------------|
| 50iMHz | Open | Open | Closed |
|---------------+---------------+--------------+-------------|
| 50MHz | Closed | Open | Open |
|---------------+---------------+--------------+-------------|
| 66iMHz | Closed | Closed | Closed |
|---------------+---------------+--------------+-------------|
| 75iMHz | Open | Open | Closed |
|---------------+---------------+--------------+-------------|
| 100iMHz | Closed | Closed | Closed |
|------------------------------------------------------------|
| Note: JP17 may not be present on all boards. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU TYPE SELECTION |
|------------------------------------------------------------|
| Type | JP10 | JP11 | JP31 | JP45 | JP46 |
|--------------------+-------+-------+---------+------+------|
| UMC U5S | 1 & 2 | 2 & 3 | Open | 2 & | Open |
| | | | | 3 | |
|--------------------+-------+-------+---------+------+------|
| CX486DX | 2 & 3 | 1 & 2 | Open | 1 & | 1 & |
| | | | | 2 | 2, 4 |
| | | | | | & 5 |
|--------------------+-------+-------+---------+------+------|
| AM486DX | 1 & 2 | 1 & 2 | Open | 2 & | 1 & |
| | | | | 3 | 2, 4 |
| | | | | | & 5 |
|--------------------+-------+-------+---------+------+------|
| (SL)AM486DX(SV8B) | 1 & 2 | 1 & 2 | Open | 1 & | 1 & |
| | | | | 2 | 2, 4 |
| | | | | | & 5 |
|--------------------+-------+-------+---------+------+------|
| (SL)AM486DX(SV8T) | 1 & 2 | 1 & 2 | Open | 1 & | 1 & |
| | | | | 2 | 2, 4 |
| | | | | | & 5 |
|--------------------+-------+-------+---------+------+------|
| 80486DX | 1 & 2 | 1 & 2 | Open | 2 & | 1 & |
| | | | | 3 | 2, 4 |
| | | | | | & 5 |
|--------------------+-------+-------+---------+------+------|
| CX486DX2 | 2 & 3 | 1 & 2 | Open | 1 & | 1 & |
| | | | | 2 | 2, 4 |
| | | | | | & 5 |
|--------------------+-------+-------+---------+------+------|
| AM486DX2 | 1 & 2 | 1 & 2 | Open | 2 & | 1 & |
| | | | | 3, 5 | 2, 4 |
| | | | | & 6 | & 5 |
|--------------------+-------+-------+---------+------+------|
| (SL)AM486DX2(SV8B) | 1 & 2 | 1 & 2 | Open | 1 & | 1 & |
| | | | | 2, 4 | 2, 4 |
| | | | | & 5 | & 5 |
|--------------------+-------+-------+---------+------+------|
| (SL)AM486DX2(SV8T) | 1 & 2 | 1 & 2 | Open | 1 & | 1 & |
| | | | | 2, 4 | 2, 4 |
| | | | | & 5 | & 5 |
|--------------------+-------+-------+---------+------+------|
| 80486DX2 | 1 & 2 | 1 & 2 | Open | 2 & | 1 & |
| | | | | 3 | 2, 4 |
| | | | | | & 5 |
|--------------------+-------+-------+---------+------+------|
| CX486DX4 | 2 & 3 | 1 & 2 | Open | 1 & | 1 & |
| | | | | 2 | 2, 4 |
| | | | | | & 5 |
|--------------------+-------+-------+---------+------+------|
| (SL)CX486DX4 | 2 & 3 | 1 & 2 | Closed | 1 & | 1 & |
| | | | | 2 | 2, 4 |
| | | | | | & 5 |
|--------------------+-------+-------+---------+------+------|
| AM486DX4 | 1 & 2 | 1 & 2 | Open | 2 & | 1 & |
| | | | | 3 | 2, 4 |
| | | | | | & 5 |
|--------------------+-------+-------+---------+------+------|
| (SL)AM486DX4(SV8B) | 1 & 2 | 1 & 2 | Open | 1 & | 1 & |
| | | | | 2 | 2, 4 |
| | | | | | & 5 |
|--------------------+-------+-------+---------+------+------|
| (SL)AM486DX4(SV8T) | 1 & 2 | 1 & 2 | Open | 1 & | 1 & |
| | | | | 2 | 2, 4 |
| | | | | | & 5 |
|--------------------+-------+-------+---------+------+------|
| 80486DX4 | 1 & 2 | 1 & 2 | Open | 1 & | 1 & |
| | | | | 2 | 2, 4 |
| | | | | | & 5 |
|--------------------+-------+-------+---------+------+------|
| P24D | 1 & 2 | 1 & 2 | Open | 1 & | 1 & |
| | | | | 2 | 2, 4 |
| | | | | | & 5 |
|--------------------+-------+-------+---------+------+------|
| P24T | 1 & 2 | 1 & 2 | Open | 1 & | 2 & |
| | | | | 2 | 3, 4 |
| | | | | | & 5 |
|--------------------+-------+-------+---------+------+------|
| CX5X86 | 1 & 2 | 1 & 2 | Open | 1 & | 1 & |
| | | | | 2 | 2, 4 |
| | | | | | & 5 |
|--------------------+-------+-------+---------+------+------|
| AM5X86-P75 | 1 & 2 | 1 & 2 | Open | 1 & | 1 & |
| | | | | 2, 4 | 2, 4 |
| | | | | & 5 | & 5 |
|--------------------+-------+-------+---------+------+------|
| AM5X86-P75+ | 1 & 2 | 1 & 2 | Open | 1 & | 1 & |
| | | | | 2 | 2, 4 |
| | | | | | & 5 |
|--------------------+-------+-------+---------+------+------|
| AM5X86-P90 | 1 & 2 | 1 & 2 | Open | 1 & | 1 & |
| | | | | 2, 4 | 2, 4 |
| | | | | & 5 | & 5 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
| Ver. 2 does not support the UMC U5S. |
+------------------------------------------------------------+
+--------------------------------------------------------------------+
| CPU TYPE SELECTION (CON’T) |
|--------------------------------------------------------------------|
| Type | RN11 | RN12 | RN13 | RN14 | RN15 |
|------------------+---------+---------+---------+---------+---------|
| UMC U5S |Installed| Not | Not | Not | Not |
| | |installed|installed|installed|installed|
|------------------+---------+---------+---------+---------+---------|
| CX486DX | Not |Installed|Installed| Not | Not |
| |installed| | |installed|installed|
|------------------+---------+---------+---------+---------+---------|
| AM486DX | Not | Not | Not |Installed|Installed|
| |installed|installed|installed| | |
|------------------+---------+---------+---------+---------+---------|
|(SL)AM486DX(SV8B) | Not | Not | Not |Installed|Installed|
| |installed|installed|installed| | |
|------------------+---------+---------+---------+---------+---------|
|(SL)AM486DX(SV8T) | Not | Not | Not |Installed|Installed|
| |installed|installed|installed| | |
|------------------+---------+---------+---------+---------+---------|
| 80486DX | Not | Not | Not |Installed|Installed|
| |installed|installed|installed| | |
|------------------+---------+---------+---------+---------+---------|
| CX486DX2 | Not |Installed|Installed| Not | Not |
| |installed| | |installed|installed|
|------------------+---------+---------+---------+---------+---------|
| AM486DX2 | Not | Not | Not |Installed|Installed|
| |installed|installed|installed| | |
|------------------+---------+---------+---------+---------+---------|
|(SL)AM486DX2(SV8B)| Not | Not | Not |Installed|Installed|
| |installed|installed|installed| | |
|------------------+---------+---------+---------+---------+---------|
|(SL)AM486DX2(SV8T)| Not | Not | Not |Installed|Installed|
| |installed|installed|installed| | |
|------------------+---------+---------+---------+---------+---------|
| 80486DX2 | Not | Not | Not |Installed|Installed|
| |installed|installed|installed| | |
|------------------+---------+---------+---------+---------+---------|
| CX486DX4 | Not |Installed|Installed| Not | Not |
| |installed| | |installed|installed|
|------------------+---------+---------+---------+---------+---------|
| (SL)CX486DX4 | Not | Not | Not |Installed|Installed|
| |installed|installed|installed| | |
|------------------+---------+---------+---------+---------+---------|
| AM486DX4 | Not | Not | Not |Installed|Installed|
| |installed|installed|installed| | |
|------------------+---------+---------+---------+---------+---------|
|(SL)AM486DX4(SV8B)| Not | Not | Not |Installed|Installed|
| |installed|installed|installed| | |
|------------------+---------+---------+---------+---------+---------|
|(SL)AM486DX4(SV8T)| Not | Not | Not |Installed|Installed|
| |installed|installed|installed| | |
|------------------+---------+---------+---------+---------+---------|
| 80486DX4 | Not | Not | Not |Installed|Installed|
| |installed|installed|installed| | |
|------------------+---------+---------+---------+---------+---------|
| P24D | Not | Not | Not |Installed|Installed|
| |installed|installed|installed| | |
|------------------+---------+---------+---------+---------+---------|
| P24T | Not | Not | Not |Installed|Installed|
| |installed|installed|installed| | |
|------------------+---------+---------+---------+---------+---------|
| CX5X86 | Not | Not | Not |Installed|Installed|
| |installed|installed|installed| | |
|------------------+---------+---------+---------+---------+---------|
| AM5X86-P75 | Not | Not | Not |Installed|Installed|
| |installed|installed|installed| | |
|------------------+---------+---------+---------+---------+---------|
| AM5X86-P75+ | Not | Not | Not |Installed|Installed|
| |installed|installed|installed| | |
|------------------+---------+---------+---------+---------+---------|
| AM5X86-P90 | Not | Not | Not |Installed|Installed|
| |installed|installed|installed| | |
|--------------------------------------------------------------------|
|Note: RN11 is not present on Ver. 2 Ver. 2 does not support the UMC |
|U5S. |
+--------------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP36 | JP37 | JP39 |
|---------+----------------+----------------+----------------|
| 3.45v | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 4v | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 |
| | closed | closed | closed |
|---------+----------------+----------------+----------------|
| 5v | Pins 1 & 2 | Pins 2 & 3 | Pins 1 & 2 |
| | closed | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | JP8 | JP9 |
|------------------+--------------------+--------------------|
| 1 | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 3 | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+