(TXT) View Source
       
       # IBM CORPORATION
       
          PC SERVER 520 (TYPE 8641) MODEL MZO, MZV, MZS, MZL, MZE
       
          Processor        Pentium                                       
          Processor Speed  Unidentified                                  
          Chip Set         Unidentified                                  
          Video Chip Set   Unidentified                                  
          Maximum Onboard  256MB                                         
          Memory           
          Maximum Video    Unidentified                                  
          Memory           
          Cache            512KB                                         
          BIOS             Unidentified                                  
          Dimensions       355mm x 304mm                                 
          I/O Options      32-bit PCI slots (2), floppy drive interface, 
                           IDE interfaces (2), SCSI interface, Wide SCSI 
                           interfaces (2), parallel port, PS/2 mouse     
                           port, serial ports (2), VGA port, cache slot  
          NPU Options      None                                          
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose        | Location | Purpose             | Location |
          |----------------+----------+---------------------+----------|
          | SCSI interface |    J2    | Serial port 2       |   J21    |
          | LED            |          |                     |          |
          |----------------+----------+---------------------+----------|
          | IDE interface  |    J3    | Serial port 1       |   J24    |
          |----------------+----------+---------------------+----------|
          | Chassis fan    |    J4    | Reset switch        |   J25    |
          | power          |          |                     |          |
          |----------------+----------+---------------------+----------|
          | Speaker        |    J6    | SCSI interface      |   J28    |
          |----------------+----------+---------------------+----------|
          | CPU fan power  |    J8    | Wide SCSI interface |   J35    |
          |                |          | (internal)          |          |
          |----------------+----------+---------------------+----------|
          | CPU fan power  |    J9    | Wide SCSI interface |   J39    |
          |                |          | (external)          |          |
          |----------------+----------+---------------------+----------|
          | Power LED      |   J10    | VGA port            |   J40    |
          |----------------+----------+---------------------+----------|
          | IDE interface  |   J13    | PS/2 mouse port     |   J42    |
          |----------------+----------+---------------------+----------|
          | Parallel port  |   J19    | 32-bit PCI slots    |  PC1 -&  |
          |                |          |                     |   PC2    |
          |----------------+----------+---------------------+----------|
          | Floppy drive   |   J20    | Cache slot          |   SL1    |
          | interface      |          |                     |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function               | Label |   Position   |
          |-------------------------------------+-------+--------------|
          | » | Factory configured - do not     |  J3A  | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     |  J12  |     Open     |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     |  J14  | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Password write enabled          |  J15  |  Pins 2 & 3  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          |   | Password write disabled         |  J15  |  Pins 1 & 2  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     |  J16  | Unidentified |
          |   | alter (C2 cover)                |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     |  J17  | Unidentified |
          |   | alter (C2 keylock)              |       |              |
          |---+---------------------------------+-------+--------------|
          | » | On board video enabled          |  J26  |  Pins 1 & 2  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          |   | On board video disabled         |  J26  |  Pins 2 & 3  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          | » | On board SCSI enabled           |  J27  |  Pins 1 & 2  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          |   | On board SCSI disabled          |  J27  |  Pins 2 & 3  |
          |   |                                 |       |    closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SIMM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (2) 1M x 36 |    None     |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 16MB | (2) 2M x 36 |    None     |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 16MB | (2) 1M x 36 | (2) 1M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 24MB | (2) 2M x 36 | (2) 1M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 24MB | (2) 1M x 36 | (2) 1M x 36 |  (2) 1M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 32MB | (2) 4M x 36 |    None     |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 32MB | (2) 2M x 36 | (2) 2M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 32MB | (2) 1M x 36 | (2) 1M x 36 |  (2) 1M x  |  (2) 1M x  |
          |      |             |             |     36     |     36     |
          |------+-------------+-------------+------------+------------|
          | 40MB | (2) 4M x 36 | (2) 1M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 48MB | (2) 4M x 36 | (2) 2M x 36 |    None    |    None    |
          |------+-------------+-------------+------------+------------|
          | 48MB | (2) 2M x 36 | (2) 2M x 36 |  (2) 2M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 64MB | (2) 4M x 36 | (2) 2M x 36 |  (2) 2M x  |    None    |
          |      |             |             |     36     |            |
          |------+-------------+-------------+------------+------------|
          | 64MB | (2) 8M x 36 |    None     |    None    |    None    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 SIMM CONFIGURATION (CON’T)                 |
          |------------------------------------------------------------|
          | Size  |   Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
          |-------+-------------+------------+------------+------------|
          | 64MB  | (2) 4M x 36 |  (2) 4M x  |    None    |    None    |
          |       |             |     36     |            |            |
          |-------+-------------+------------+------------+------------|
          | 64MB  | (2) 2M x 36 |  (2) 2M x  |  (2) 2M x  |  (2) 2M x  |
          |       |             |     36     |     36     |     36     |
          |-------+-------------+------------+------------+------------|
          | 72MB  | (2) 8M x 36 |  (2) 1M x  |    None    |    None    |
          |       |             |     36     |            |            |
          |-------+-------------+------------+------------+------------|
          | 80MB  | (2) 8M x 36 |  (2) 1M x  |  (2) 1M x  |    None    |
          |       |             |     36     |     36     |            |
          |-------+-------------+------------+------------+------------|
          | 80MB  | (2) 4M x 36 |  (2) 2M x  |  (2) 2M x  |  (2) 2M x  |
          |       |             |     36     |     36     |     36     |
          |-------+-------------+------------+------------+------------|
          | 80MB  | (2) 8M x 36 |  (2) 2M x  |    None    |    None    |
          |       |             |     36     |            |            |
          |-------+-------------+------------+------------+------------|
          | 88MB  | (2) 8M x 36 |  (2) 1M x  |  (2) 1M x  |  (2) 1M x  |
          |       |             |     36     |     36     |     36     |
          |-------+-------------+------------+------------+------------|
          | 96MB  | (2) 8M x 36 |  (2) 2M x  |  (2) 2M x  |    None    |
          |       |             |     36     |     36     |            |
          |-------+-------------+------------+------------+------------|
          | 96MB  | (2) 8M x 36 |  (2) 4M x  |    None    |    None    |
          |       |             |     36     |            |            |
          |-------+-------------+------------+------------+------------|
          | 96MB  | (2) 4M x 36 |  (2) 4M x  |  (2) 4M x  |    None    |
          |       |             |     36     |     36     |            |
          |-------+-------------+------------+------------+------------|
          | 112MB | (2) 8M x 36 |  (2) 2M x  |  (2) 2M x  |  (2) 2M x  |
          |       |             |     36     |     36     |     36     |
          |-------+-------------+------------+------------+------------|
          | 128MB | (2) 8M x 36 |  (2) 4M x  |  (2) 4M x  |    None    |
          |       |             |     36     |     36     |            |
          |-------+-------------+------------+------------+------------|
          | 128MB | (2) 8M x 36 |  (2) 8M x  |    None    |    None    |
          |       |             |     36     |            |            |
          |-------+-------------+------------+------------+------------|
          | 128MB | (2) 4M x 36 |  (2) 4M x  |  (2) 4M x  |  (2) 4M x  |
          |       |             |     36     |     36     |     36     |
          |-------+-------------+------------+------------+------------|
          | 160MB | (2) 8M x 36 |  (2) 4M x  |  (2) 4M x  |  (2) 4M x  |
          |       |             |     36     |     36     |     36     |
          |-------+-------------+------------+------------+------------|
          | 192MB | (2) 8M x 36 |  (2) 8M x  |  (2) 8M x  |    None    |
          |       |             |     36     |     36     |            |
          |-------+-------------+------------+------------+------------|
          | 256MB | (2) 8M x 36 |  (2) 8M x  |  (2) 8M x  |  (2) 8M x  |
          |       |             |     36     |     36     |     36     |
          |------------------------------------------------------------|
          | Note: The locations of the banks are unidentified.         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |            Size            |            Bank 0             |
          |----------------------------+-------------------------------|
          |           512KB            |    512KB module installed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 VIDEO MEMORY CONFIGURATION                 |
          |------------------------------------------------------------|
          | Note: The size & location of the video memory is           |
          | unidentified.                                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CPU CLOCK SPEED SELECTION                  |
          |------------------------------------------------------------|
          |           Speed            |              J43              |
          |----------------------------+-------------------------------|
          |           50MHz            |       Pins 2 & 3 closed       |
          |----------------------------+-------------------------------|
          |           60MHz            |       Pins 1 & 2 closed       |
          +------------------------------------------------------------+