KINGSTON TECHNOLOGY CORPORATION
===============================

   MCMASTER MC33PD/MC25PS

   Processor           80486SX/80486DX                            
   Processor Speed     25/33MHz                                   
   Chip Set            None (utilizes chipset on PS/2 main board) 
   Max. Onboard DRAM   64MB                                       
   SRAM Cache          128KB                                      
   BIOS                None (utilizes BIOS on PS/2 main board)    
   Dimensions          330mm x 100mm                              
   I/O Options         32-bit VESA local processor slot           
   NPU Options         None                                       

<gopher://bitreich.org/I/th99/m/I-L/31429-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose                          |        Location         |
   |----------------------------------+-------------------------|
   | 32-bit VESA local processor slot |           S1            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function               | Jumper |  Position  |
   |--------------------------------------+--------+------------|
   |>> | CPU select 80486DX               |  J100  | pins 1 & 2 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | CPU select 80486SX               |  J100  | pins 2 & 3 |
   |   |                                  |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Microchannel Ready timing        |  J700  | pins 2 & 3 |
   |   | standard                         |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Microchannel Ready timing        |  J700  | pins 1 & 2 |
   |   | modified                         |        |   closed   |
   |---+----------------------------------+--------+------------|
   |>> | Local bus fast write transfer    | J1101  | pins 1 & 2 |
   |   | mode enabled                     |        |   closed   |
   |---+----------------------------------+--------+------------|
   |   | Local bus fast write transfer    | J1101  | pins 2 & 3 |
   |   | mode disabled                    |        |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |  Size   |     J801      |      Bank 0      |    Bank 1     |
   |---------+---------------+------------------+---------------|
   |   4MB   |  pins 2 & 3   |  (1) 1024K x 32  |     NONE      |
   |         |    closed     |                  |               |
   |---------+---------------+------------------+---------------|
   |   8MB   |  pins 2 & 3   |  (1) 1024K x 32  |  (1) 1024K x  |
   |         |    closed     |                  |      32       |
   |---------+---------------+------------------+---------------|
   |   8MB   |  pins 2 & 3   |  (1) 2048K x 32  |     NONE      |
   |         |    closed     |                  |               |
   |---------+---------------+------------------+---------------|
   |  12MB   |  pins 2 & 3   |  (1) 2048K x 32  |  (1) 1024K x  |
   |         |    closed     |                  |      32       |
   |---------+---------------+------------------+---------------|
   |  16MB   |  pins 2 & 3   |  (1) 2048K x 32  |  (1) 2048K x  |
   |         |    closed     |                  |      32       |
   |---------+---------------+------------------+---------------|
   |  16MB   |  pins 1 & 2   |  (1) 4096K x 32  |     NONE      |
   |         |    closed     |                  |               |
   |---------+---------------+------------------+---------------|
   |  20MB   |  pins 1 & 2   |  (1) 4096K x 32  |  (1) 1024K x  |
   |         |    closed     |                  |      32       |
   |---------+---------------+------------------+---------------|
   |  24MB   |  pins 1 & 2   |  (1) 4096K x 32  |  (1) 2048K x  |
   |         |    closed     |                  |      32       |
   |---------+---------------+------------------+---------------|
   |  32MB   |  pins 1 & 2   |  (1) 4096K x 32  |  (1) 4096K x  |
   |         |    closed     |                  |      32       |
   |---------+---------------+------------------+---------------|
   |  32MB   |  pins 1 & 2   |  (1) 8192K x 32  |     NONE      |
   |         |    closed     |                  |               |
   |---------+---------------+------------------+---------------|
   |  36MB   |  pins 1 & 2   |  (1) 8192K x 32  |  (1) 1024K x  |
   |         |    closed     |                  |      32       |
   |---------+---------------+------------------+---------------|
   |  40MB   |  pins 1 & 2   |  (1) 8192K x 32  |  (1) 2048K x  |
   |         |    closed     |                  |      32       |
   |---------+---------------+------------------+---------------|
   |  48MB   |  pins 1 & 2   |  (1) 8192K x 32  |  (1) 4096K x  |
   |         |    closed     |                  |      32       |
   |---------+---------------+------------------+---------------|
   |  64MB   |  pins 1 & 2   |  (1) 8192K x 32  |  (1) 8192K x  |
   |         |    closed     |                  |      32       |
   |------------------------------------------------------------|
   | Note:Where available, 36-bit SIMMs can be substituted for  |
   | 32-bit SIMMs.                                              |
   +------------------------------------------------------------+