[X]

1. X
2. X16CLK
3. X1CLK
4. X32CLK
5. X64CLK
6. XCASE
7. XCT
8. XD_CONTROL
9. XD_DATA
10. XD_GEOMETRY
11. XD_INFO
12. XD_JUMPER
13. XD_MAXDRIVES
14. XD_RESERVED
15. XD_RESET
16. XD_RETRIES
17. XD_SELECT
18. XD_SIGNATURE
19. XD_STATUS
20. XD_TIMEOUT
21. XENIX_LINK_MAX
22. XENIX_NICFREE
23. XENIX_NICINOD
24. XENIX_SUPER_MAGIC
25. XIAFS_ADDRS_PER_Z
26. XIAFS_ADDRS_PER_Z_BITS
27. XIAFS_BITS_PER_Z
28. XIAFS_BITS_PER_Z_BITS
29. XIAFS_GET_BLOCKS
30. XIAFS_INODES_PER_Z
31. XIAFS_PUT_BLOCKS
32. XIAFS_ZSHIFT
33. XIAFS_ZSIZE
34. XIAFS_ZSIZE_BITS
35. XJIFFER
36. XMIT_1_RETRY
37. XMIT_BEACON
38. XMIT_BUFF
39. XMIT_BUFF_SIZE
40. XMIT_DATA_REQ
41. XMIT_DEF
42. XMIT_DIR_FRAME
43. XMIT_END
44. XMIT_ERR
45. XMIT_LCAR
46. XMIT_LCOL
47. XMIT_OWN
48. XMIT_RESERV
49. XMIT_RETRY
50. XMIT_RTRY
51. XMIT_START
52. XMIT_TDRMASK
53. XMIT_TEST_CMD
54. XMIT_UFLO
55. XMIT_UI_FRAME
56. XMIT_XID_CMD
57. XMITtime
58. XMTU
59. XMT_BAR
60. XMT_CHAIN
61. XMT_CMD
62. XMT_COUNT
63. XMT_Chain_ErrStop
64. XMT_Chain_Int
65. XMT_HEADER
66. XMT_LOWER_LIMIT
67. XMT_LOWER_LIMIT_REG
68. XMT_RAM
69. XMT_STATUS
70. XMT_UPPER_LIMIT
71. XMT_UPPER_LIMIT_REG
72. XSIG_LL
73. XTABS
74. XTALFREQ
75. XT_DISK_MAJOR
76. Xmit_pkt
77. Xmit_resp
78. Xsig
79. XsigH
80. XsigL
81. XsigLL