(TXT) View Source
       
       # COMPUTREND SYSTEMS, INC.
       
          PCI PENTIUM AL4
       
          Processor    Pentium                                           
          Processor    75/90/100/120MHz                                  
          Speed        
          Chip Set     ALI                                               
          Max. Onboard 128MB                                             
          DRAM         
          Cache        256/512/1024KB                                    
          BIOS         AMI                                               
          Dimensions   330mm x 220mm                                     
          I/O Options  32-bit PCI slots (4), floppy drive interface,     
                       green PC connector, IDE interfaces (2), parallel  
                       port, serial ports (2)                            
          NPU Options  None                                              
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose         | Location  | Purpose         |  Location  |
          |-----------------+-----------+-----------------+------------|
          | Serial port 1   |    CN1    | Turbo LED       |  JFP pins  |
          |                 |           |                 |  12 & 13   |
          |-----------------+-----------+-----------------+------------|
          | Serial port 2   |    CN2    | Turbo switch    |  JFP pins  |
          |                 |           |                 |  15 - 17   |
          |-----------------+-----------+-----------------+------------|
          | Parallel port   |    CN3    | Reset switch    |  JFP pins  |
          |                 |           |                 |  19 & 20   |
          |-----------------+-----------+-----------------+------------|
          | Floppy drive    |    CN4    | IDE interface   |    JFPA    |
          | interface       |           | LED             |            |
          |-----------------+-----------+-----------------+------------|
          | IDE interface 2 |    CN5    | Green PC        |    JG1     |
          |                 |           | connector       |            |
          |                 |           | (monitor)       |            |
          |-----------------+-----------+-----------------+------------|
          | IDE interface 1 |    CN6    | Green PC LED    |    JG2     |
          |-----------------+-----------+-----------------+------------|
          | External        |    JB1    | Green PC        |    JG3     |
          | battery         |           | connector       |            |
          |-----------------+-----------+-----------------+------------|
          | Power LED &     | JFP pins  | Chassis fan     |    JP10    |
          | keylock         |   1 - 5   | power           |            |
          |-----------------+-----------+-----------------+------------|
          | Speaker         | JFP pins  | 32-bit PCI      | PC1 - PC4  |
          |                 |  7 - 10   | slots           |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Battery type select internal     |  JB1   | Pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Battery type select external     |  JB1   |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | CMOS memory clear                |  JB1   | Pins 3 & 4 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Flash BIOS voltage select 12v    |  JP2   | Pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Flash BIOS voltage select 5v     |  JP2   | Pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Power good signal detect from    |  JP5   | Pins 2 & 3 |
          |   | board                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Power good signal detect from    |  JP5   | Pins 1 & 2 |
          |   | power supply                     |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | IDE interface enabled            |  JP7   |    Open    |
          |---+----------------------------------+--------+------------|
          |   | IDE interface disabled           |  JP7   |   Closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  JP8   |    N/A     |
          |   | alter                            |        |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       2MB        |   (2) 256K x 36    |        NONE        |
          |------------------+--------------------+--------------------|
          |       4MB        |   (2) 512K x 36    |        NONE        |
          |------------------+--------------------+--------------------|
          |       4MB        |   (2) 256K x 36    |   (2) 256K x 36    |
          |------------------+--------------------+--------------------|
          |       6MB        |   (2) 512K x 36    |   (2) 256K x 36    |
          |------------------+--------------------+--------------------|
          |       6MB        |   (2) 256K x 36    |   (2) 512K x 36    |
          |------------------+--------------------+--------------------|
          |       8MB        |    (2) 1M x 36     |        NONE        |
          |------------------+--------------------+--------------------|
          |       8MB        |   (2) 512K x 36    |   (2) 512K x 36    |
          |------------------+--------------------+--------------------|
          |       10MB       |    (2) 1M x 36     |   (2) 256K x 36    |
          |------------------+--------------------+--------------------|
          |       10MB       |   (2) 256K x 36    |    (2) 1M x 36     |
          |------------------+--------------------+--------------------|
          |       12MB       |    (2) 1M x 36     |   (2) 512K x 36    |
          |------------------+--------------------+--------------------|
          |       12MB       |   (2) 512K x 36    |    (2) 1M x 36     |
          |------------------+--------------------+--------------------|
          |       16MB       |    (2) 2M x 36     |        NONE        |
          |------------------+--------------------+--------------------|
          |       16MB       |    (2) 1M x 36     |    (2) 1M x 36     |
          |------------------+--------------------+--------------------|
          |       18MB       |    (2) 2M x 36     |   (2) 256K x 36    |
          |------------------+--------------------+--------------------|
          |       18MB       |   (2) 256K x 36    |    (2) 2M x 36     |
          |------------------+--------------------+--------------------|
          |       20MB       |    (2) 2M x 36     |   (2) 512K x 36    |
          |------------------+--------------------+--------------------|
          |       20MB       |   (2) 512K x 36    |    (2) 2M x 36     |
          |------------------+--------------------+--------------------|
          |       24MB       |    (2) 2M x 36     |    (2) 1M x 36     |
          |------------------+--------------------+--------------------|
          |       24MB       |    (2) 1M x 36     |    (2) 2M x 36     |
          |------------------+--------------------+--------------------|
          |       32MB       |    (2) 4M x 36     |        NONE        |
          |------------------+--------------------+--------------------|
          |       32MB       |    (2) 2M x 36     |    (2) 2M x 36     |
          |------------------+--------------------+--------------------|
          |       34MB       |    (2) 4M x 36     |   (2) 256K x 36    |
          |------------------+--------------------+--------------------|
          |       34MB       |   (2) 256K x 36    |    (2) 4M x 36     |
          |------------------+--------------------+--------------------|
          |       36MB       |    (2) 4M x 36     |   (2) 512K x 36    |
          |------------------+--------------------+--------------------|
          |       36MB       |   (2) 512K x 36    |    (2) 4M x 36     |
          |------------------+--------------------+--------------------|
          |       40MB       |    (2) 4M x 36     |    (2) 1M x 36     |
          |------------------+--------------------+--------------------|
          |       40MB       |    (2) 1M x 36     |    (2) 4M x 36     |
          |------------------+--------------------+--------------------|
          |       48MB       |    (2) 4M x 36     |    (2) 2M x 36     |
          |------------------+--------------------+--------------------|
          |       48MB       |    (2) 2M x 36     |    (2) 4M x 36     |
          |------------------+--------------------+--------------------|
          |       64MB       |    (2) 8M x 36     |        NONE        |
          |------------------+--------------------+--------------------|
          |       64MB       |    (2) 4M x 36     |    (2) 4M x 36     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM CONFIGURATION (CON’T)                 |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       66MB       |    (2) 8M x 36     |   (2) 256K x 36    |
          |------------------+--------------------+--------------------|
          |       66MB       |   (2) 256K x 36    |    (2) 8M x 36     |
          |------------------+--------------------+--------------------|
          |       68MB       |    (2) 8M x 36     |   (2) 512K x 36    |
          |------------------+--------------------+--------------------|
          |       68MB       |   (2) 512K x 36    |    (2) 8M x 36     |
          |------------------+--------------------+--------------------|
          |       72MB       |    (2) 8M x 36     |    (2) 1M x 36     |
          |------------------+--------------------+--------------------|
          |       72MB       |    (2) 1M x 36     |    (2) 8M x 36     |
          |------------------+--------------------+--------------------|
          |       80MB       |    (2) 8M x 36     |    (2) 2M x 36     |
          |------------------+--------------------+--------------------|
          |       80MB       |    (2) 2M x 36     |    (2) 8M x 36     |
          |------------------+--------------------+--------------------|
          |       96MB       |    (2) 8M x 36     |    (2) 4M x 36     |
          |------------------+--------------------+--------------------|
          |       96MB       |    (2) 4M x 36     |    (2) 8M x 36     |
          |------------------+--------------------+--------------------|
          |      128MB       |    (2) 8M x 36     |    (2) 8M x 36     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |        TAG         |
          |------------------+--------------------+--------------------|
          |      256KB       |    (8) 32K x 8     |     (1) 8K x 8     |
          |------------------+--------------------+--------------------|
          |      512KB       |    (8) 64K x 8     |    (1) 16K x 8     |
          |------------------+--------------------+--------------------|
          |       1MB        |    (8) 128K x 8    |    (1) 32K x 8     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |       Size       |        JS2         |        JS3         |
          |------------------+--------------------+--------------------|
          |      256KB       | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
          |------------------+--------------------+--------------------|
          |      512KB       | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
          |------------------+--------------------+--------------------|
          |       1MB        | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |     Speed      |           JK1            |      JR1       |
          |----------------+--------------------------+----------------|
          |     75MHz      |           Open           |      Open      |
          |----------------+--------------------------+----------------|
          |     90MHz      |    Pins 1 & 2 closed     |      Open      |
          |----------------+--------------------------+----------------|
          |     100MHz     | Pins 1 & 2, 3 & 4 closed |      Open      |
          |----------------+--------------------------+----------------|
          |     120MHz     |    Pins 1 & 2 closed     |     Closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CPU VOLTAGE CONFIGURATION                  |
          |------------------------------------------------------------|
          |            Voltage            |            JP12            |
          |-------------------------------+----------------------------|
          |             3.4v              |           Closed           |
          |-------------------------------+----------------------------|
          |             3.5v              |            Open            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DMA CONFIGURATION                      |
          |------------------------------------------------------------|
          |    DMA    |    CP2     |    CP3    |    CP4    |    CP5    |
          |-----------+------------+-----------+-----------+-----------|
          |   DMA 1   |    Open    |  Closed   |   Open    |  Closed   |
          |-----------+------------+-----------+-----------+-----------|
          |   DMA 3   |   Closed   |   Open    |  Closed   |   Open    |
          +------------------------------------------------------------+