(TXT) View Source
       
       # OLIVETTI
       
          M6-420/440/450/460/ (BA200X)
       
          Processor        80486SX/80487SX/80486DX/80486DX2/P24T         
          Processor Speed  25/33/50(internal)/66(internal)MHz            
          Chip Set         Unidentified                                  
          Maximum Onboard  100MB                                         
          Memory           
          Cache            256KB                                         
          BIOS             Unidentified                                  
          Dimensions       330mm x 218mm                                 
          I/O Options      Floppy drive interface, IDE interface,        
                           parallel port, PS/2 mouse port, serial ports  
                           (2), VGA feature connector, VGA port, cache   
                           slot, riser slot, audio board connector       
          NPU Options      None                                          
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |       Function       | Label |      Function       | Label |
          |----------------------+-------+---------------------+-------|
          | PS/2 mouse port      |  CN1  | Floppy drive        |  CN9  |
          |                      |       | interface           |       |
          |----------------------+-------+---------------------+-------|
          | Parallel port        |  CN2  | Chassis fan power   |  J1   |
          |----------------------+-------+---------------------+-------|
          | Serial port 1        |  CN3  | Speaker             |  J2   |
          |----------------------+-------+---------------------+-------|
          | Serial port 2        |  CN4  | External battery    |  J3   |
          |----------------------+-------+---------------------+-------|
          | VGA port             |  CN5  | Reset switch        |  JP7  |
          |----------------------+-------+---------------------+-------|
          | VGA feature          |  CN6  | Cache slot          |  SL1  |
          | connector            |       |                     |       |
          |----------------------+-------+---------------------+-------|
          | Audio board          |  CN7  | Riser slot          |  SL2  |
          | connector            |       |                     |       |
          |----------------------+-------+---------------------+-------|
          | IDE interface        |  CN8  |                     |       |
          |------------------------------------------------------------|
          | Note: The location of pin 1 on the connectors is           |
          | unidentified.                                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Setting                | Label |  Position  |
          |---------------------------------------+-------+------------|
          | » | CMOS memory normal operation      |  JP6  |    Open    |
          |---+-----------------------------------+-------+------------|
          |   | CMOS memory clear                 |  JP6  | Pins 2 & 3 |
          |   |                                   |       |   closed   |
          |---+-----------------------------------+-------+------------|
          |   | System normal operation           |  JP7  |    Open    |
          |---+-----------------------------------+-------+------------|
          |   | System reset                      |  JP7  |   Closed   |
          |---+-----------------------------------+-------+------------|
          | » | 87311/12 address select 398 - 399 | SW1/1 |    Off     |
          |---+-----------------------------------+-------+------------|
          |   | 87311/12 address select 26E - 26F | SW1/1 |     On     |
          |---+-----------------------------------+-------+------------|
          | » | Setup access enabled              | SW1/2 |    Off     |
          |---+-----------------------------------+-------+------------|
          |   | Setup access disabled             | SW1/2 |     On     |
          |---+-----------------------------------+-------+------------|
          | » | Bootstrap from serial port        | SW1/3 |    Off     |
          |   | enabled                           |       |            |
          |---+-----------------------------------+-------+------------|
          |   | Bootstrap from serial port        | SW1/3 |     On     |
          |   | disabled                          |       |            |
          |---+-----------------------------------+-------+------------|
          | » | Flash BIOS write disabled         | SW1/4 |    Off     |
          |---+-----------------------------------+-------+------------|
          |   | Flash BIOS write enabled          | SW1/4 |     On     |
          |---+-----------------------------------+-------+------------|
          | » | Floppy drive write enabled        | SW1/5 |    Off     |
          |---+-----------------------------------+-------+------------|
          |   | Floppy drive write disabled       | SW1/5 |     On     |
          |---+-----------------------------------+-------+------------|
          | » | RAMDAC write enabled              | SW1/6 |    Off     |
          |---+-----------------------------------+-------+------------|
          |   | RAMDAC write disabled             | SW1/6 |     On     |
          |---+-----------------------------------+-------+------------|
          |   | On board video enabled            | SW1/7 |    Off     |
          |---+-----------------------------------+-------+------------|
          |   | On board video disabled           | SW1/7 |     On     |
          |------------------------------------------------------------|
          | Note: The location of pin 1 on SW1 is unidentified.        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                            DRAM                            |
          |------------------------------------------------------------|
          |  Size  | Bank 0  |   Bank 1    |   Bank 2    |   Bank 3    |
          |--------+---------+-------------+-------------+-------------|
          |  4MB   |   4MB   |    None     |    None     |    None     |
          |--------+---------+-------------+-------------+-------------|
          |  8MB   |   4MB   | (1) 1M x 36 |    None     |    None     |
          |--------+---------+-------------+-------------+-------------|
          |  12MB  |   4MB   | (1) 2M x 36 |    None     |    None     |
          |--------+---------+-------------+-------------+-------------|
          |  12MB  |   4MB   | (1) 1M x 36 | (1) 1M x 36 |    None     |
          |--------+---------+-------------+-------------+-------------|
          |  16MB  |   4MB   | (1) 2M x 36 | (1) 1M x 36 |    None     |
          |--------+---------+-------------+-------------+-------------|
          |  16MB  |   4MB   | (1) 1M x 36 | (1) 1M x 36 | (1) 1M x 36 |
          |--------+---------+-------------+-------------+-------------|
          |  16MB  |   4MB   | (1) 1M x 36 | (1) 2M x 36 |    None     |
          |--------+---------+-------------+-------------+-------------|
          |  20MB  |   4MB   | (1) 4M x 36 |    None     |    None     |
          |--------+---------+-------------+-------------+-------------|
          |  20MB  |   4MB   | (1) 2M x 36 | (1) 1M x 36 | (1) 1M x 36 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        DRAM (CON’T)                        |
          |------------------------------------------------------------|
          |  Size  | Bank 0  |   Bank 1    |   Bank 2    |   Bank 3    |
          |--------+---------+-------------+-------------+-------------|
          |  20MB  |   4MB   | (1) 2M x 36 | (1) 2M x 36 |    None     |
          |--------+---------+-------------+-------------+-------------|
          |  24MB  |   4MB   | (1) 4M x 36 | (1) 1M x 36 |    None     |
          |--------+---------+-------------+-------------+-------------|
          |  24MB  |   4MB   | (1) 1M x 36 | (1) 2M x 36 | (1) 2M x 36 |
          |--------+---------+-------------+-------------+-------------|
          |  24MB  |   4MB   | (1) 1M x 36 | (1) 4M x 36 |    None     |
          |--------+---------+-------------+-------------+-------------|
          |  28MB  |   4MB   | (1) 4M x 36 | (1) 1M x 36 | (1) 1M x 36 |
          |--------+---------+-------------+-------------+-------------|
          |  28MB  |   4MB   | (1) 4M x 36 | (1) 2M x 36 |    None     |
          |--------+---------+-------------+-------------+-------------|
          |  28MB  |   4MB   | (1) 2M x 36 | (1) 2M x 36 | (1) 2M x 36 |
          |--------+---------+-------------+-------------+-------------|
          |  28MB  |   4MB   | (1) 2M x 36 | (1) 4M x 36 |    None     |
          |--------+---------+-------------+-------------+-------------|
          |  36MB  |   4MB   | (1) 8M x 36 |    None     |    None     |
          |--------+---------+-------------+-------------+-------------|
          |  36MB  |   4MB   | (1) 4M x 36 | (1) 2M x 36 | (1) 2M x 36 |
          |--------+---------+-------------+-------------+-------------|
          |  36MB  |   4MB   | (1) 4M x 36 | (1) 4M x 36 |    None     |
          |--------+---------+-------------+-------------+-------------|
          |  40MB  |   4MB   | (1) 8M x 36 | (1) 1M x 36 |    None     |
          |--------+---------+-------------+-------------+-------------|
          |  40MB  |   4MB   | (1) 1M x 36 | (1) 4M x 36 | (1) 4M x 36 |
          |--------+---------+-------------+-------------+-------------|
          |  40MB  |   4MB   | (1) 1M x 36 | (1) 8M x 36 |    None     |
          |--------+---------+-------------+-------------+-------------|
          |  44MB  |   4MB   | (1) 8M x 36 | (1) 1M x 36 | (1) 1M x 36 |
          |--------+---------+-------------+-------------+-------------|
          |  44MB  |   4MB   | (1) 8M x 36 | (1) 2M x 36 |    None     |
          |--------+---------+-------------+-------------+-------------|
          |  44MB  |   4MB   | (1) 2M x 36 | (1) 4M x 36 | (1) 4M x 36 |
          |--------+---------+-------------+-------------+-------------|
          |  44MB  |   4MB   | (1) 2M x 36 | (1) 8M x 36 |    None     |
          |--------+---------+-------------+-------------+-------------|
          |  52MB  |   4MB   | (1) 8M x 36 | (1) 2M x 36 | (1) 2M x 36 |
          |--------+---------+-------------+-------------+-------------|
          |  52MB  |   4MB   | (1) 8M x 36 | (1) 4M x 36 |    None     |
          |--------+---------+-------------+-------------+-------------|
          |  52MB  |   4MB   | (1) 4M x 36 | (1) 4M x 36 | (1) 4M x 36 |
          |--------+---------+-------------+-------------+-------------|
          |  52MB  |   4MB   | (1) 4M x 36 | (1) 8M x 36 |    None     |
          |--------+---------+-------------+-------------+-------------|
          |  70MB  |   4MB   | (1) 8M x 36 | (1) 4M x 36 | (1) 4M x 36 |
          |--------+---------+-------------+-------------+-------------|
          |  70MB  |   4MB   | (1) 8M x 36 | (1) 8M x 36 |    None     |
          |--------+---------+-------------+-------------+-------------|
          |  72MB  |   4MB   | (1) 1M x 36 | (1) 8M x 36 | (1) 8M x 36 |
          |--------+---------+-------------+-------------+-------------|
          |  76MB  |   4MB   | (1) 2M x 36 | (1) 8M x 36 | (1) 8M x 36 |
          |--------+---------+-------------+-------------+-------------|
          |  84MB  |   4MB   | (1) 4M x 36 | (1) 8M x 36 | (1) 8M x 36 |
          |--------+---------+-------------+-------------+-------------|
          | 100MB  |   4MB   | (1) 8M x 36 | (1) 8M x 36 | (1) 8M x 36 |
          |------------------------------------------------------------|
          | Note: Bank 0 is factory installed and is not configurable. |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         CACHE SIZE                         |
          |------------------------------------------------------------|
          |            Size            |              SL1              |
          |----------------------------+-------------------------------|
          |           256KB            |           Installed           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         CPU SPEED                          |
          |------------------------------------------------------------|
          |            Setting            |           SW1/8            |
          |-------------------------------+----------------------------|
          |             25MHz             |            Off             |
          |-------------------------------+----------------------------|
          |             33MHz             |             On             |
          |-------------------------------+----------------------------|
          |            50iMHz             |            Off             |
          |-------------------------------+----------------------------|
          |            66iMHz             |             On             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        DMA CHANNEL                         |
          |------------------------------------------------------------|
          | Setting |    JP9     |    JP10    |    JP11    |   JP12    |
          |---------+------------+------------+------------+-----------|
          |  DMA0   | Pins 1 & 2 |    N/A     | Pins 1 & 2 |    N/A    |
          |         |   closed   |            |   closed   |           |
          |---------+------------+------------+------------+-----------|
          |  DMA1   |    N/A     | Pins 1 & 2 |    N/A     | Pins 1 &  |
          |         |            |   closed   |            | 2 closed  |
          |---------+------------+------------+------------+-----------|
          |  DMA5   | Pins 2 & 3 |    N/A     | Pins 2 & 3 |    N/A    |
          |         |   closed   |            |   closed   |           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        VIDEO MEMORY                        |
          |------------------------------------------------------------|
          |            Size            |            Bank 0             |
          |----------------------------+-------------------------------|
          |            None            |             None              |
          |----------------------------+-------------------------------|
          |            1MB             |         (4) 256K x 8          |
          +------------------------------------------------------------+