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Text File  |  1995-06-26  |  7KB  |  138 lines
  1. TITLE:              Resolving I/O and IRQ Conflicts
  2. DOCUMENT ID:        TID1200452
  3. DOCUMENT REVISION:  1
  4. DATE:               31MAR95
  5. ALERT STATUS:       Yellow
  6. README FOR:         NA
  7.  
  8. NOVELL PRODUCT and VERSION:
  9. NETWARE LITE V1.1
  10. PERSONAL NETWARE V1.0
  11.  
  12. ABSTRACT:
  13. NA
  14.  
  15. ---------------------------------------------------------------------
  16. DISCLAIMER: THE ORIGIN OF THIS INFORMATION MAY BE INTERNAL OR
  17. EXTERNAL TO NOVELL.  NOVELL MAKES EVERY EFFORT WITHIN ITS MEAN TO
  18. VERIFY THIS INFORMATION. HOWEVER, THE INFORMATION PROVIDED IN THIS
  19. DOCUMENT IS FOR YOUR INFORMATION ONLY. NOVELL MAKES NO EXPLICIT OR
  20. IMPLIED CLAIMS TO THE VALIDITY OF THIS INFORMATION.
  21. ---------------------------------------------------------------------
  22.  
  23. ISSUE:
  24.  
  25. RESOLVING I/O AND IRQ CONFLICTS
  26.  
  27. I/O CONFLICTS
  28.  
  29. The Ethernet, ARCnet, or other network board will need to use a
  30. unique I/O address. The following table shows some possible
  31. conflicts. Column one shows the range from 200 to 3E0 (hex). Column
  32. two shows some possible conflicting devices. Select an I/O address
  33. that best fits your configuration; however, be aware that this table
  34. is generic. If problems persist, consult the documentation of your
  35. specific system. It is also possible to get a listing of your I/O
  36. addresses with a computer utility program.
  37.  
  38.  -------------------------------------------------------------------
  39. | I/O Address  |    Potential Conflicting Devices                   |
  40. |--------------|----------------------------------------------------|
  41. | 200          |  Game controller /Joystick (200-20F)               |
  42. |--------------|----------------------------------------------------|
  43. | 220          |  Novell Network Keycard                            |
  44. |--------------|----------------------------------------------------|
  45. | 240          |                                                    |
  46. |--------------|----------------------------------------------------|
  47. | 260          |  LPT2: (278-27F)                                   |
  48. |--------------|----------------------------------------------------|
  49. | 280          |  LCD display on Wyse 2108 PC                       |
  50. |--------------|----------------------------------------------------|
  51. | 2A0          |                                                    |
  52. |--------------|----------------------------------------------------|
  53. | 2C0          |                                                    |
  54. |--------------|----------------------------------------------------|
  55. | 2E0          |  COM4:, GPIB-Adapter 0 (2E1)                       |
  56. |              |  COM2:, Data acquisition (300-31F)                 |
  57. |--------------|----------------------------------------------------|
  58. | 300          |                                                    |
  59. |--------------|----------------------------------------------------|
  60. | 320          |  XT Hard Disk interface (320-32F)                  |
  61. |--------------|----------------------------------------------------|
  62. | 340          |                                                    |
  63. |--------------|----------------------------------------------------|
  64. | 360          |  LPT1: (378-37F)                                   |
  65. |--------------|----------------------------------------------------|
  66. | 380          |  SLDC/Sec Bi-Sync interface (380                   |
  67. |--------------|----------------------------------------------------|
  68. | 3A0          |  Primary Bi-Sync interface (3A0-3A9)               |
  69. |              |  Monochrome display (3B0-3BB)                      |
  70. |--------------|----------------------------------------------------|
  71. | 3C0          |  EGA display control (3C0-3CF)                     |
  72. |              |  CGA display control (3D0-3CF)                     |
  73. |--------------|----------------------------------------------------|
  74. | 3E0          |  COM3: (3E8-3EF)                                   |
  75. |              |  Floppy disk controller (3F0-3F7)                  |
  76. |              |  COM1: (3F8-3FF)                                   |
  77.  -------------------------------------------------------------------
  78.  
  79. IRQ CONFLICTS
  80.  
  81. A unique interrupt line (IRQ) must be assigned to your network board.
  82. Each manufacturer's network board is unique in the available
  83. interrupts it offers (refer to the network board's manual to
  84. determine its interrupt options). The following table may help in
  85. selecting an interrupt option that is not currently being used in
  86. your system. It is also possible to get a specific reading of your
  87. interrupts from a computer utility program.
  88.  
  89.  -----------------------------------------
  90. | IRQ     |    XT      |  AT (286,386,486)|
  91. |---------|------------|------------------|
  92. | 0       |            | TIMER OUTPUT 0   |
  93. |---------|------------|------------------|
  94. | 1       |            | KEYBOARD         |
  95. |---------|------------|------------------|
  96. | 2       |  EGA/VGA   | EGA/VGA          |
  97. |---------|------------|------------------|
  98. | 3       | COM2       | COM2             |
  99. |---------|------------|------------------|
  100. | 4       | COM1       | COM1             |
  101. |---------|------------|------------------|
  102. | 5       | HARD DISK  | LPT2             |
  103. |---------|------------|------------------|
  104. | 6       |            | FLOPPY DISK      |
  105. |---------|------------|------------------|
  106. | 7       | LPT1       | LPT1             |
  107. |---------|------------|------------------|
  108. | 8       |            | REAL TIME CLOCK  |
  109. |---------|------------|------------------|
  110. | 9       |            |                  |
  111. |---------|------------|------------------|
  112. | 10      |            |                  |
  113. |---------|------------|------------------|
  114. | 11      |            |                  |
  115. |---------|------------|------------------|
  116. | 12      |            |                  |
  117. |---------|------------|------------------|
  118. | 13      |            | COPROCESSOR      |
  119. |---------|------------|------------------|
  120. | 14      |            | HARD DISK        |
  121. |---------|------------|------------------|
  122. | 15      |            |                  |
  123.  -----------------------------------------
  124.  
  125. Note:  For best results, you should try using a free interrupt line.
  126. If the chart shows that you are using all possible interrupts, it is
  127. possible that your Ethernet or other network board may use an
  128. interrupt that is already being used. For example:  many programs do
  129. not address LPT1 on the interrupt level; hence, if you have no free
  130. interrupts, it is possible to assign two functions to the same
  131. interrupt.
  132.  
  133. ---------------------------------------------------------------------
  134. Any trademarks referenced in this document are the property of their
  135. respective owners. Consult your product manuals for complete
  136. trademark information.
  137. ---------------------------------------------------------------------
  138.