UltraStor 12c Jumper Definition

12C DEFAULT JUMPERS
 
DEFAULT JUMPER SETTINGS 
Jumper Number  ULTRA 12C 
   Factory Use                    JP2     No Jumper            
                                  JP3     Jumper               
   Reserved                       JP4     No Jumper            
   Battery Backup                 JP5     See Ctrlr drawing    
                                  JP6     See Ctrlr drawing    
   BIOS Address (C800:0)          JP10    5-6                  
   Floppy Configuration           JP11    No Jumper            
   Hard Disk Primary Address      JP12    No Jumper            
   Enable Floppy Controller       JP17    Jumper               
   Factory Use                    JP20    1-2, 11-12, 13-14    
                                          15-16, 17-18, 19-20  
   IRQ 14/15 Select               JP21    2-3                  
   Cache Memory Simm Config       JP22    3-4                  
 

 
 12C JUMPER DEFINITIONS


 JUMPER NUMBER  DESCRIPTION 
  JP2        OUT:         Factory use only.                         
  JP3         IN:         Factory use only.                         
  JP4        1-2:         Reserved.                                 
  JP10       OUT:         BIOS address setting:                     
                          1-2     3-4     5-6     BIOS Address      
                          ---     ---     ---     -------------     
                          OUT     OUT     OUT     Disabled BIOS     
                          OUT     OUT     IN      C800:0            
                          OUT     IN      OUT     CC00:0            
                          OUT     IN      IN      D000:0            
                          IN      OUT     OUT     D400:0            
                          IN      OUT     IN      D800:0            
                          IN      IN      OUT     DC00:0            
                          IN      IN      IN      Disable BIOS      
    NOTE: Primary port addresses must use C800, D000, or D800.      
          Secondary port addresses must use CC00, D400, or DC00.    
          JP12 selects primary or secondary port.                   
  JP11                  Configure floppy Controller                 
                                                                    
    1-2    IN:   Supports 3rd floppy drive w/ single twisted cable. 
                 Note: The drive should be jumpered as DS4.         
          OUT:   Supports 3rd floppy drive w/ double twisted cable. 
                 Note: The drive should be jumpered as DS2.         
    3-4    IN:   Drive 1 is configured for 3.5" PS/2 or equivalent. 
          OUT:   Drive 1 is configured for AT type 3.5" or 5.25".   
    5-6    IN:   Drive 0 is configured for 3.5" PS/2 or equivelent. 
          OUT:   Drive 0 is configured for AT type 3.5" or 5.25".   
    7-8    IN:   Floppy secondary I/O port address (370-377).       
          OUT:   Floppy primary I/O port address (3F0-3F7).         
    9-10   IN:   Dual speed floppy drive support.                   
          OUT:   Single speed floppy drive suppoet.                 
   11-12   IN:   Precompensation is fixed @ 125ns for all data rates
          OUT:   Precompensation varies according to to floppy data 
                 250, 300, & 500KHZ have 250ns, 208ns, & 125ns      
    JP12   IN:   Hard disk secondary I/O port address is 170-77.    
          OUT:   Hard disk primary address is 1F0-1F7.              
    JP17   IN:   Enable floppy controller.                          
          OUT:   Disable floppy controller.                         
    JP20         Factory use    2 ----------
					    |		  |		
                                1 ----------                      
    JP21  1-2:   IRQ 15 selected.                                   
          2-3:   IRQ 14 selected.                                   
    JP22  Cache Memory SIMM module Configuration                    
          1-2    3-4    SIMM Configuration                          
           IN     IN    256KBx9                                     
          OUT     IN    1MBx9                                       
           IN    OUT    4MBx9