AST RESEARCH, INC.
==================

   MANHATTAN G PENTIUM (202671-102, 103)

   Processor    Pentium                                           
   Processor    75/90/100MHz                                      
   Speed        
   Chip Set     Unidentified                                      
   Max. Onboard 128MB                                             
   DRAM         
   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), 8514     
                video pass through connector, VGA port, riser     
                slot                                              
   NPU Options  None                                              

<gopher://bitreich.org/I/th99/m/A-B/33205-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | PS/2 mouse port   |   CN2    | External battery |   J26    |
   |-------------------+----------+------------------+----------|
   | Serial port       |   CN3    | Speaker          |   J27    |
   |-------------------+----------+------------------+----------|
   | Serial port       |   CN4    | Chassis fan      |   J28    |
   |                   |          | power            |          |
   |-------------------+----------+------------------+----------|
   | Parallel port     |   CN5    | Front panel      |   J29    |
   |                   |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | VGA port          |   CN6    | Chassis fan      |   J32    |
   |                   |          | power            |          |
   |-------------------+----------+------------------+----------|
   | 8514 video pass   |   J19    | IDE interface    |   J40    |
   | through connector |          | LED              |          |
   |-------------------+----------+------------------+----------|
   | IDE interface     |   J22    | Riser slot       |   SL1    |
   |-------------------+----------+------------------+----------|
   | Floppy drive      |   J24    |                  |          |
   | interface         |          |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Jumper | Position |
   |----------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  |   E4   |   Open   |
   |---+------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  |   E5   |   Open   |
   |   | (model extension # -301)           |        |          |
   |---+------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  |   E5   |  Closed  |
   |   | (model extension # -302)           |        |          |
   |---+------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  |   E6   |   Open   |
   |---+------------------------------------+--------+----------|
   |>> | Factory configured - do not alter  |   E8   |   Open   |
   |---+------------------------------------+--------+----------|
   |>> | Monitor type select color          |   E9   |  Closed  |
   |---+------------------------------------+--------+----------|
   |   | Monitor type select monochrome     |   E9   |   Open   |
   |---+------------------------------------+--------+----------|
   |>> | Setup access enabled               |  E10   |  Closed  |
   |---+------------------------------------+--------+----------|
   |   | Setup access disabled              |  E10   |   Open   |
   |---+------------------------------------+--------+----------|
   |>> | On board video enabled             |  E11   |  Closed  |
   |---+------------------------------------+--------+----------|
   |   | On board video disabled            |  E11   |   Open   |
   |---+------------------------------------+--------+----------|
   |>> | Password enabled                   |  E12   |  Closed  |
   |---+------------------------------------+--------+----------|
   |   | Password disabled                  |  E12   |   Open   |
   |---+------------------------------------+--------+----------|
   |>> | Flash BIOS normal operation        |  E13   |  Closed  |
   |---+------------------------------------+--------+----------|
   |   | Flash BIOS force update at boot    |  E13   |   Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       8MB        |    (2) 1M x 36     |        NONE        |
   |------------------+--------------------+--------------------|
   |       10MB       |    (2) 1M x 36     |   (2) 256K 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     |
   |------------------+--------------------+--------------------|
   |       24MB       |    (2) 2M x 36     |    (2) 1M 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    |
   |------------------+--------------------+--------------------|
   |       40MB       |    (2) 4M x 36     |    (2) 1M x 36     |
   |------------------+--------------------+--------------------|
   |       48MB       |    (2) 4M x 36     |    (2) 2M x 36     |
   |------------------+--------------------+--------------------|
   |       64MB       |    (2) 8M x 36     |        NONE        |
   |------------------+--------------------+--------------------|
   |       64MB       |    (2) 4M x 36     |    (2) 4M x 36     |
   |------------------+--------------------+--------------------|
   |       66MB       |    (2) 8M x 36     |   (2) 256K x 36    |
   |------------------+--------------------+--------------------|
   |       68MB       |    (2) 8M x 36     |   (2) 512K x 36    |
   |------------------+--------------------+--------------------|
   |       72MB       |    (2) 8M x 36     |    (2) 1M x 36     |
   |------------------+--------------------+--------------------|
   |       80MB       |    (2) 8M x 36     |    (2) 2M x 36     |
   |------------------+--------------------+--------------------|
   |       96MB       |    (2) 8M x 36     |    (2) 4M x 36     |
   |------------------+--------------------+--------------------|
   |      128MB       |    (2) 8M x 36     |    (2) 8M x 36     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   | Note: 256KB cache is factory installed and is not          |
   | configurable. The location is unidentified.                |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              CPU SPEED CONFIGURATION (IMI415)              |
   |------------------------------------------------------------|
   |  Speed   |        E1         |   E2    |   E3    |   E7    |
   |----------+-------------------+---------+---------+---------|
   |  75MHz   | pins 2 & 3 closed |  Open   | Closed  | Closed  |
   |----------+-------------------+---------+---------+---------|
   |  90MHz   | pins 2 & 3 closed |  Open   | Closed  |  Open   |
   |----------+-------------------+---------+---------+---------|
   |  100MHz  | pins 2 & 3 closed | Closed  | Closed  |  Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              CPU SPEED CONFIGURATION (IMI470)              |
   |------------------------------------------------------------|
   |  Speed   |        E1         |   E2    |   E3    |   E7    |
   |----------+-------------------+---------+---------+---------|
   |  75MHz   | pins 2 & 3 closed |  Open   | Closed  |  Open   |
   |----------+-------------------+---------+---------+---------|
   |  90MHz   | pins 2 & 3 closed |  Open   | Closed  | Closed  |
   |----------+-------------------+---------+---------+---------|
   |  100MHz  | pins 2 & 3 closed | Closed  | Closed  | Closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 VIDEO MEMORY CONFIGURATION                 |
   |------------------------------------------------------------|
   | Note: 512KB is factory installed and is not configurable.  |
   +------------------------------------------------------------+