(TXT) View Source
       
       # COMPUTREND SYSTEMS, INC.
       
          VLB486 AL5 (ALI-486G)
       
       Processor  80486SX/SL80486SX/80486DX/SL80486DX/CXM7/AM486DX2/80486DX2/      
                  SL80486DX2/AM486DX4/80486DX4/P24D/P24T                           
       Processor  25/33/40/50(internal)/50/66(internal)/75(internal)/80(internal)/ 
       Speed      100(internal)MHz                                                 
       Chip Set   ALI                                                              
       Max.       64MB                                                             
       Onboard    
       DRAM       
       Cache      128/256KB                                                        
       BIOS       AMI                                                              
       Dimensions 250mm 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     |    JB    | Reset switch         | JFP pins  |
          | battery      |          |                      |  19 & 20  |
          |--------------+----------+----------------------+-----------|
          | Power LED &  | JFP pins | Green PC connector   |    JG1    |
          | keylock      |  1 - 5   | (monitor)            |           |
          |--------------+----------+----------------------+-----------|
          | Speaker      | JFP pins | Green PC LED         |    JG2    |
          |              |  7 - 10  |                      |           |
          |--------------+----------+----------------------+-----------|
          | Turbo LED    | JFP pins | Green PC connector   |    JG3    |
          |              | 12 & 13  |                      |           |
          |--------------+----------+----------------------+-----------|
          | Turbo switch | JFP pins | 32-bit VESA local    | SL1 - SL3 |
          |              | 15 - 17  | bus slots            |           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Battery type select internal     |   JB   | Pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Battery type select external     |   JB   |   Closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JC2   |    N/A     |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JC3   |    N/A     |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select monochrome   |  JP1   | Pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select color        |  JP1   | Pins 1 & 2 |
          |   |                                  |        |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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) 512K x  | (1) 256K x  |    None    |    None    |
          |      |     36      |     36      |            |            |
          |------+-------------+-------------+------------+------------|
          | 3MB  | (1) 256K x  | (1) 256K x  | (1) 256K x |    None    |
          |      |     36      |     36      |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 3MB  | (1) 256K x  | (1) 512K x  |    None    |    None    |
          |      |     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) 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      |            |            |
          |------+-------------+-------------+------------+------------|
          | 6MB  | (1) 512K x  | (1) 1M x 36 |    None    |    None    |
          |      |     36      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 7MB  | (1) 1M x 36 | (1) 256K x  | (1) 256K x | (1) 256K x |
          |      |             |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (1) 2M x 36 |    None     |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (1) 1M x 36 | (1) 1M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 9MB  | (1) 2M x 36 | (1) 256K x  |    None    |    None    |
          |      |             |     36      |            |            |
          |------+-------------+-------------+------------+------------|
          | 9MB  | (1) 256K x  | (1) 1M x 36 |  (1) 1M x  |    None    |
          |      |     36      |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 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) 512K x  | (1) 1M x 36 |  (1) 1M x  |    None    |
          |      |     36      |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 10MB | (1) 512K x  | (1) 2M x 36 |    None    |    None    |
          |      |     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     |
          |------+-------------+-------------+------------+------------|
          | 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) 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      |            |            |
          |------+-------------+-------------+------------+------------|
          | 18MB | (1) 512K x  | (1) 4M x 36 |    None    |    None    |
          |      |     36      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 19MB | (1) 4M x 36 | (1) 256K x  | (1) 256K x | (1) 256K x |
          |      |             |     36      |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 20MB | (1) 4M x 36 | (1) 1M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 20MB | (1) 1M x 36 | (1) 4M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 24MB | (1) 4M x 36 | (1) 1M x 36 |  (1) 1M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 24MB | (1) 4M x 36 | (1) 2M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 24MB | (1) 2M x 36 | (1) 4M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 28MB | (1) 4M x 36 | (1) 1M x 36 |  (1) 1M x  |  (1) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 32MB | (1) 8M x 36 |    None     |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 32MB | (1) 4M x 36 | (1) 4M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 33MB | (1) 8M x 36 | (1) 256K x  |    None    |    None    |
          |      |             |     36      |            |            |
          |------+-------------+-------------+------------+------------|
          | 33MB | (1) 256K x  | (1) 4M x 36 |  (1) 4M x  |    None    |
          |      |     36      |             |     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      |            |            |
          |------+-------------+-------------+------------+------------|
          | 34MB | (1) 512K x  | (1) 4M x 36 |  (1) 4M x  |    None    |
          |      |     36      |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 34MB | (1) 512K x  | (1) 8M x 36 |    None    |    None    |
          |      |     36      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 36MB | (1) 1M x 36 | (1) 4M x 36 |  (1) 4M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 36MB | (1) 1M x 36 | (1) 8M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 40MB | (1) 8M x 36 | (1) 1M x 36 |  (1) 1M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 40MB | (1) 8M x 36 | (1) 2M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 40MB | (1) 2M x 36 | (1) 4M x 36 |  (1) 4M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 40MB | (1) 2M x 36 | (1) 8M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 48MB | (1) 8M x 36 | (1) 4M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 48MB | (1) 4M x 36 | (1) 4M x 36 |  (1) 4M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 48MB | (1) 4M x 36 | (1) 8M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 49MB | (1) 256K x  | (1) 4M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |     36      |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 52MB | (1) 1M x 36 | (1) 4M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 64MB | (1) 8M x 36 | (1) 8M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 64MB | (1) 4M x 36 | (1) 4M x 36 |  (1) 4M x  |  (1) 4M x  |
          |      |             |             |     36     |     36     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |   Size    |   Bank 0    |   Bank 1    |        TAG         |
          |-----------+-------------+-------------+--------------------|
          |   128KB   | (4) 32K x 8 |    None     | (1) 8K/16K/32K x 8 |
          |-----------+-------------+-------------+--------------------|
          | 256KB (A) | (4) 32K x 8 | (4) 32K x 8 |  (1) 16K/32K x 8   |
          |-----------+-------------+-------------+--------------------|
          | 256KB (B) | (4) 64K x 8 |    None     |  (1) 16K/32K x 8   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |   Size    |      JS1       |      JS2      |      JS3      |
          |-----------+----------------+---------------+---------------|
          |   128KB   |   Pins 2 & 3   |  Pins 2 & 3   |  Pins 2 & 3   |
          |           |     closed     |    closed     |    closed     |
          |-----------+----------------+---------------+---------------|
          | 256KB (A) |   Pins 1 & 2   |  Pins 1 & 2   |  Pins 2 & 3   |
          |           |     closed     |    closed     |    closed     |
          |-----------+----------------+---------------+---------------|
          | 256KB (B) |   Pins 2 & 3   |  Pins 1 & 2   |  Pins 2 & 3   |
          |           |     closed     |    closed     |    closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |    Type     |       JC4        |     JC5      |    JC6     |
          |-------------+------------------+--------------+------------|
          |   80486SX   |    Pins 2 & 3    |  Pins 4 & 5  |    Open    |
          |             |      closed      |    closed    |            |
          |-------------+------------------+--------------+------------|
          |  SL80486SX  |    Pins 2 & 3    |  Pins 5 & 6  |    Open    |
          |             |      closed      |    closed    |            |
          |-------------+------------------+--------------+------------|
          |   80486DX   | Pins 1 & 2, 3 &  |  Pins 4 & 5  | Pins 3 & 4 |
          |             |     4 closed     |    closed    |   closed   |
          |-------------+------------------+--------------+------------|
          |  SL80486DX  | Pins 1 & 2, 3 &  |  Pins 5 & 6  | Pins 3 & 4 |
          |             |     4 closed     |    closed    |   closed   |
          |-------------+------------------+--------------+------------|
          |    CXM7     | Pins 1 & 2, 3 &  | Pins 1 & 2,  | Pins 3 & 4 |
          |             |     4 closed     | 4 & 5 closed |   closed   |
          |-------------+------------------+--------------+------------|
          | AM486DX2-80 | Pins 1 & 2, 3 &  | Pins 2 & 3,  | Pins 3 & 4 |
          |   (3.3v)    |     4 closed     | 4 & 5 closed |   closed   |
          |-------------+------------------+--------------+------------|
          | AM486DX2-80 | Pins 1 & 2, 3 &  |  Pins 4 & 5  | Pins 3 & 4 |
          |    (5v)     |     4 closed     |    closed    |   closed   |
          |-------------+------------------+--------------+------------|
          |  80486DX2   | Pins 1 & 2, 3 &  |  Pins 4 & 5  | Pins 3 & 4 |
          |             |     4 closed     |    closed    |   closed   |
          |-------------+------------------+--------------+------------|
          | SL80486DX2  | Pins 1 & 2, 3 &  |  Pins 5 & 6  | Pins 3 & 4 |
          |             |     4 closed     |    closed    |   closed   |
          |-------------+------------------+--------------+------------|
          |  AM486DX4   | Pins 1 & 2, 3 &  |  Pins 4 & 5  | Pins 3 & 4 |
          |             |     4 closed     |    closed    |   closed   |
          |-------------+------------------+--------------+------------|
          |  80486DX4   | Pins 1 & 2, 3 &  |  Pins 5 & 6  | Pins 3 & 4 |
          |             |     4 closed     |    closed    |   closed   |
          |-------------+------------------+--------------+------------|
          |    P24D     | Pins 1 & 2, 3 &  |  Pins 5 & 6  | Pins 2 & 3 |
          |             |     4 closed     |    closed    |   closed   |
          |-------------+------------------+--------------+------------|
          |    P24T     | Pins 1 & 2, 3 &  |  Pins 5 & 6  | Pins 2 & 3 |
          |             |     4 closed     |    closed    |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               CPU TYPE CONFIGURATION (CON'T)               |
          |------------------------------------------------------------|
          |    Type     |       JC7        |    JC8     |     JC10     |
          |-------------+------------------+------------+--------------|
          |   80486SX   |       Open       | Pins 4 & 5 |     Open     |
          |             |                  |   closed   |              |
          |-------------+------------------+------------+--------------|
          |  SL80486SX  |    Pins 5 & 6    | Pins 4 & 5 |     Open     |
          |             |      closed      |   closed   |              |
          |-------------+------------------+------------+--------------|
          |   80486DX   |       Open       | Pins 4 & 5 |     Open     |
          |             |                  |   closed   |              |
          |-------------+------------------+------------+--------------|
          |  SL80486DX  |    Pins 5 & 6    | Pins 4 & 5 |     Open     |
          |             |      closed      |   closed   |              |
          |-------------+------------------+------------+--------------|
          |    CXM7     | Pins 2 & 3, 4 &  | Pins 4 & 5 |     Open     |
          |             |     5 closed     |   closed   |              |
          |-------------+------------------+------------+--------------|
          | AM486DX2-80 |       Open       | Pins 4 & 5 |     Open     |
          |   (3.3v)    |                  |   closed   |              |
          |-------------+------------------+------------+--------------|
          | AM486DX2-80 |       Open       | Pins 4 & 5 |     Open     |
          |    (5v)     |                  |   closed   |              |
          |-------------+------------------+------------+--------------|
          |  80486DX2   |       Open       | Pins 4 & 5 |     Open     |
          |             |                  |   closed   |              |
          |-------------+------------------+------------+--------------|
          | SL80486DX2  |    Pins 5 & 6    | Pins 4 & 5 |     Open     |
          |             |      closed      |   closed   |              |
          |-------------+------------------+------------+--------------|
          |  AM486DX4   |       Open       | Pins 4 & 5 |     Open     |
          |             |                  |   closed   |              |
          |-------------+------------------+------------+--------------|
          |  80486DX4   |    Pins 5 & 6    | Pins 4 & 5 |     Open     |
          |             |      closed      |   closed   |              |
          |-------------+------------------+------------+--------------|
          |    P24D     |    Pins 5 & 6    | Pins 5 & 6 | Pins 1 & 2,  |
          |             |      closed      |   closed   | 3 & 4 closed |
          |-------------+------------------+------------+--------------|
          |    P24T     |    Pins 5 & 6    | Pins 4 & 5 |     Open     |
          |             |      closed      |   closed   |              |
          +------------------------------------------------------------+
       
 (IMG) IMG 2
          
       
          +------------------------------------------------------------+
          |               CPU TYPE CONFIGURATION (CON'T)               |
          |------------------------------------------------------------|
          |      Type      |                 JC5/6/7/8                 |
          |----------------+-------------------------------------------|
          |   SL80486SX    | JC5 pin 1/JC6 pin 1 & JC7 pin 1/JC8 pin 1 |
          |----------------+-------------------------------------------|
          |   SL80486DX    | JC5 pin 1/JC6 pin 1 & JC7 pin 1/JC8 pin 1 |
          |----------------+-------------------------------------------|
          |   SL80486DX2   | JC5 pin 1/JC6 pin 1 & JC7 pin 1/JC8 pin 1 |
          |----------------+-------------------------------------------|
          |    80486DX4    | JC5 pin 1/JC6 pin 1 & JC7 pin 1/JC8 pin 1 |
          |----------------+-------------------------------------------|
          |      P24D      | JC5 pin 1/JC6 pin 1 & JC7 pin 1/JC8 pin 1 |
          |----------------+-------------------------------------------|
          |      P24T      | JC5 pin 1/JC6 pin 1 & JC7 pin 1/JC8 pin 1 |
          |------------------------------------------------------------|
          | Note: See above figure for jumper placement.               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |             Type              |            JK5             |
          |-------------------------------+----------------------------|
          |         All CPU types         |           Closed           |
          |-------------------------------+----------------------------|
          |           P24C only           |            Open            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |            Type            |              JC1              |
          |----------------------------+-------------------------------|
          |       All CPU types        |       Pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |         CX M7 only         |       Pins 2 & 3 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |   Speed    |  JK1  |  JK2  |  JK3  |          JK4          |
          |------------+-------+-------+-------+-----------------------|
          |   25MHz    | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 6, 4 & 9, 5 & 10  |
          |------------+-------+-------+-------+-----------------------|
          |   33MHz    | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 6, 2 & 7, 3 & 8,  |
          |            |       |       |       |     4 & 9, 5 & 10     |
          |------------+-------+-------+-------+-----------------------|
          |   40MHz    | 2 & 3 | 4 & 5 | 2 & 3 |     2 & 7, 4 & 9      |
          |------------+-------+-------+-------+-----------------------|
          |   50iMHz   | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 6, 4 & 9, 5 & 10  |
          |------------+-------+-------+-------+-----------------------|
          | 50iMHz (CX | 2 & 3 | 4 & 5 | 2 & 3 |     4 & 9, 5 & 10     |
          |   only)    |       |       |       |                       |
          |------------+-------+-------+-------+-----------------------|
          |   50MHz    | 2 & 3 | 1 & 2 | 1 & 2 |     1 & 6, 4 & 9      |
          |------------+-------+-------+-------+-----------------------|
          |   66iMHz   | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 6, 2 & 7, 3 & 8,  |
          |            |       |       |       |     4 & 9, 5 & 10     |
          |------------+-------+-------+-------+-----------------------|
          |   75iMHz   | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 6, 4 & 9, 5 & 10  |
          |------------+-------+-------+-------+-----------------------|
          |   80iMHz   | 2 & 3 | 4 & 5 | 2 & 3 |     2 & 7, 4 & 9      |
          |------------+-------+-------+-------+-----------------------|
          |  100iMHz   | 1 & 2 | 2 & 3 | 2 & 3 | 1 & 6, 2 & 7, 3 & 8,  |
          |            |       |       |       |     4 & 9, 5 & 10     |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CPU VOLTAGE CONFIGURATION                  |
          |------------------------------------------------------------|
          |        Voltage        |                J50                 |
          |-----------------------+------------------------------------|
          |   With auto detect    |  Pins 1 & 7, 2 & 8, 3 & 9 closed   |
          |-----------------------+------------------------------------|
          |         3.3v          |  Pins 1 & 7, 2 & 8, 3 & 9 closed   |
          |-----------------------+------------------------------------|
          |          5v           | Pins 4 & 10, 5 & 11, 6 & 12 closed |
          +------------------------------------------------------------+