
Controller SC499R (Jumper)

                                           +----
                                           |
+------------------------------------------+
| SC499R                                   |
|                                          |
|        # C               A #    J3 #     |
|        #                   #       #     |
|        #                   #       #     |
|        #                   #       #     |
|                            #       #     |
|        # D                 #       #     |
|                                    #     |
|          B                         #     |
|          ############         Pin1 #     |
+---+                             +--------+
    |||||||||||||||||||||||||||||||        |
    +-----------------------------+        |

-A- I/O Register Address

No jumper - Logic high true
0 to 7F8_16 on 8 Byte
High order bit = A9
Low order Bit = A3

Base I/O Port Address available Settings

200H    100H    220H
## 3    ## 3    ## 3
## 4    ## 4    ## 4
## 5    ## 5    .. 5
## 6    ## 6    ## 6
## 7    ## 7    ## 7
## 8    .. 8    ## 8
.. 9    ## 9    .. 9
## 10   ## 10   ## 10

Jumper 10 is always ON.

-B- IRQ Level and DMA Level

: :::::: ::: :::
1 234567 123 123
_ ______ ___ ___
|    |    |   |
|    |    |   +--- DACK DMA Acknowledge Priority } Both must be the
|    |    +------- DRQ DMA Request Priority      } same number
|    +------------ IRQ Interrupt Request Priority
+----------------- Enables Interrupt at 512 Bytes Boundaries. Do not Use!

Interrupt Level and DMA Level available Settings

: #::::: #:: #::   IRQ2 DMA1
: :#:::: #:: #::   IRQ3 DMA1
: :::#:: ::# ::#   IRQ5 DMA3

-C-

## KK    Installed to enable Power On Confidence Test
.. HH
.. FF
.. JJ
## Q24   QIC-24 Format (NO Jumper for QIC-11 Format)
## H5MB  DO NOT REMOVE

-D-

..  DO NOT USE

Bemerkung: # oder ## = Jumper / .. oder : = kein Jumper
Standard: I/O 200h, IRQ2, DMA1

