Online Data Transfer Units Converter
How to Convert from IDE (UDMA mode 2) to IDE (UDMA-66)?

How to Convert from IDE (UDMA mode 2) to IDE (UDMA-66)?

Learn to convert data transfer values from IDE (UDMA mode 2) to IDE (UDMA-66) with this easy-to-use converter tool. Understand the differences between ATA/33 and ATA/66 transfer modes.

Please check your input. It must be a valid numeric value.

IDE (UDMA mode 2) to IDE (UDMA-66) Conversion Table

IDE (UDMA mode 2) IDE (UDMA-66)

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.
Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.
Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.
IDE (UDMA mode 2) to IDE (UDMA-66) Conversion Table
IDE (UDMA mode 2) IDE (UDMA-66)

Explore More Data Transfer Units Converter

  1. How to convert from bit/second [b/s] to IDE (UDMA mode 2)?
  2. How to convert from IDE (UDMA mode 2) to bit/second [b/s]?
  3. How to convert from byte/second [B/s] to IDE (UDMA mode 2)?
  4. How to convert from IDE (UDMA mode 2) to byte/second [B/s]?
  5. How to convert from kilobit/second (SI def.) to IDE (UDMA mode 2)?
  6. How to convert from IDE (UDMA mode 2) to kilobit/second (SI def.)?
  7. How to convert from kilobyte/second (SI def.) to IDE (UDMA mode 2)?
  8. How to convert from IDE (UDMA mode 2) to kilobyte/second (SI def.)?
  9. How to convert from kilobit/second [kb/s] to IDE (UDMA mode 2)?
  10. How to convert from IDE (UDMA mode 2) to kilobit/second [kb/s]?
  11. How to convert from kilobyte/second [kB/s] to IDE (UDMA mode 2)?
  12. How to convert from IDE (UDMA mode 2) to kilobyte/second [kB/s]?
  13. How to convert from megabit/second (SI def.) to IDE (UDMA mode 2)?
  14. How to convert from IDE (UDMA mode 2) to megabit/second (SI def.)?
  15. How to convert from megabyte/second (SI def.) to IDE (UDMA mode 2)?
  16. How to convert from IDE (UDMA mode 2) to megabyte/second (SI def.)?
  17. How to convert from megabit/second [Mb/s] to IDE (UDMA mode 2)?
  18. How to convert from IDE (UDMA mode 2) to megabit/second [Mb/s]?
  19. How to convert from megabyte/second [MB/s] to IDE (UDMA mode 2)?
  20. How to convert from IDE (UDMA mode 2) to megabyte/second [MB/s]?
  21. How to convert from gigabit/second (SI def.) to IDE (UDMA mode 2)?
  22. How to convert from IDE (UDMA mode 2) to gigabit/second (SI def.)?
  23. How to convert from gigabyte/second (SI def.) to IDE (UDMA mode 2)?
  24. How to convert from IDE (UDMA mode 2) to gigabyte/second (SI def.)?
  25. How to convert from gigabit/second [Gb/s] to IDE (UDMA mode 2)?
  26. How to convert from IDE (UDMA mode 2) to gigabit/second [Gb/s]?
  27. How to convert from gigabyte/second [GB/s] to IDE (UDMA mode 2)?
  28. How to convert from IDE (UDMA mode 2) to gigabyte/second [GB/s]?
  29. How to convert from terabit/second (SI def.) to IDE (UDMA mode 2)?
  30. How to convert from IDE (UDMA mode 2) to terabit/second (SI def.)?
  31. How to convert from terabyte/second (SI def.) to IDE (UDMA mode 2)?
  32. How to convert from IDE (UDMA mode 2) to terabyte/second (SI def.)?
  33. How to convert from terabit/second [Tb/s] to IDE (UDMA mode 2)?
  34. How to convert from IDE (UDMA mode 2) to terabit/second [Tb/s]?
  35. How to convert from terabyte/second [TB/s] to IDE (UDMA mode 2)?
  36. How to convert from IDE (UDMA mode 2) to terabyte/second [TB/s]?
  37. How to convert from ethernet to IDE (UDMA mode 2)?
  38. How to convert from IDE (UDMA mode 2) to ethernet?
  39. How to convert from ethernet (fast) to IDE (UDMA mode 2)?
  40. How to convert from IDE (UDMA mode 2) to ethernet (fast)?
  41. How to convert from ethernet (gigabit) to IDE (UDMA mode 2)?
  42. How to convert from IDE (UDMA mode 2) to ethernet (gigabit)?
  43. How to convert from OC1 to IDE (UDMA mode 2)?
  44. How to convert from IDE (UDMA mode 2) to OC1?
  45. How to convert from OC3 to IDE (UDMA mode 2)?
  46. How to convert from IDE (UDMA mode 2) to OC3?
  47. How to convert from OC12 to IDE (UDMA mode 2)?
  48. How to convert from IDE (UDMA mode 2) to OC12?
  49. How to convert from OC24 to IDE (UDMA mode 2)?
  50. How to convert from IDE (UDMA mode 2) to OC24?
  51. How to convert from OC48 to IDE (UDMA mode 2)?
  52. How to convert from IDE (UDMA mode 2) to OC48?
  53. How to convert from OC192 to IDE (UDMA mode 2)?
  54. How to convert from IDE (UDMA mode 2) to OC192?
  55. How to convert from OC768 to IDE (UDMA mode 2)?
  56. How to convert from IDE (UDMA mode 2) to OC768?
  57. How to convert from ISDN (single channel) to IDE (UDMA mode 2)?
  58. How to convert from IDE (UDMA mode 2) to ISDN (single channel)?
  59. How to convert from ISDN (dual channel) to IDE (UDMA mode 2)?
  60. How to convert from IDE (UDMA mode 2) to ISDN (dual channel)?
  61. How to convert from modem (110) to IDE (UDMA mode 2)?
  62. How to convert from IDE (UDMA mode 2) to modem (110)?
  63. How to convert from modem (300) to IDE (UDMA mode 2)?
  64. How to convert from IDE (UDMA mode 2) to modem (300)?
  65. How to convert from modem (1200) to IDE (UDMA mode 2)?
  66. How to convert from IDE (UDMA mode 2) to modem (1200)?
  67. How to convert from modem (2400) to IDE (UDMA mode 2)?
  68. How to convert from IDE (UDMA mode 2) to modem (2400)?
  69. How to convert from modem (9600) to IDE (UDMA mode 2)?
  70. How to convert from IDE (UDMA mode 2) to modem (9600)?
  71. How to convert from modem (14.4k) to IDE (UDMA mode 2)?
  72. How to convert from IDE (UDMA mode 2) to modem (14.4k)?
  73. How to convert from modem (28.8k) to IDE (UDMA mode 2)?
  74. How to convert from IDE (UDMA mode 2) to modem (28.8k)?
  75. How to convert from modem (33.6k) to IDE (UDMA mode 2)?
  76. How to convert from IDE (UDMA mode 2) to modem (33.6k)?
  77. How to convert from modem (56k) to IDE (UDMA mode 2)?
  78. How to convert from IDE (UDMA mode 2) to modem (56k)?
  79. How to convert from SCSI (Async) to IDE (UDMA mode 2)?
  80. How to convert from IDE (UDMA mode 2) to SCSI (Async)?
  81. How to convert from SCSI (Sync) to IDE (UDMA mode 2)?
  82. How to convert from IDE (UDMA mode 2) to SCSI (Sync)?
  83. How to convert from SCSI (Fast) to IDE (UDMA mode 2)?
  84. How to convert from IDE (UDMA mode 2) to SCSI (Fast)?
  85. How to convert from SCSI (Fast Ultra) to IDE (UDMA mode 2)?
  86. How to convert from IDE (UDMA mode 2) to SCSI (Fast Ultra)?
  87. How to convert from SCSI (Fast Wide) to IDE (UDMA mode 2)?
  88. How to convert from IDE (UDMA mode 2) to SCSI (Fast Wide)?
  89. How to convert from SCSI (Fast Ultra Wide) to IDE (UDMA mode 2)?
  90. How to convert from IDE (UDMA mode 2) to SCSI (Fast Ultra Wide)?
  91. How to convert from SCSI (Ultra-2) to IDE (UDMA mode 2)?
  92. How to convert from IDE (UDMA mode 2) to SCSI (Ultra-2)?
  93. How to convert from SCSI (Ultra-3) to IDE (UDMA mode 2)?
  94. How to convert from IDE (UDMA mode 2) to SCSI (Ultra-3)?
  95. How to convert from SCSI (LVD Ultra80) to IDE (UDMA mode 2)?
  96. How to convert from IDE (UDMA mode 2) to SCSI (LVD Ultra80)?
  97. How to convert from SCSI (LVD Ultra160) to IDE (UDMA mode 2)?
  98. How to convert from IDE (UDMA mode 2) to SCSI (LVD Ultra160)?
  99. How to convert from IDE (PIO mode 0) to IDE (UDMA mode 2)?
  100. How to convert from IDE (UDMA mode 2) to IDE (PIO mode 0)?
  101. How to convert from IDE (PIO mode 1) to IDE (UDMA mode 2)?
  102. How to convert from IDE (UDMA mode 2) to IDE (PIO mode 1)?
  103. How to convert from IDE (PIO mode 2) to IDE (UDMA mode 2)?
  104. How to convert from IDE (UDMA mode 2) to IDE (PIO mode 2)?
  105. How to convert from IDE (PIO mode 3) to IDE (UDMA mode 2)?
  106. How to convert from IDE (UDMA mode 2) to IDE (PIO mode 3)?
  107. How to convert from IDE (PIO mode 4) to IDE (UDMA mode 2)?
  108. How to convert from IDE (UDMA mode 2) to IDE (PIO mode 4)?
  109. How to convert from IDE (DMA mode 0) to IDE (UDMA mode 2)?
  110. How to convert from IDE (UDMA mode 2) to IDE (DMA mode 0)?
  111. How to convert from IDE (DMA mode 1) to IDE (UDMA mode 2)?
  112. How to convert from IDE (UDMA mode 2) to IDE (DMA mode 1)?
  113. How to convert from IDE (DMA mode 2) to IDE (UDMA mode 2)?
  114. How to convert from IDE (UDMA mode 2) to IDE (DMA mode 2)?
  115. How to convert from IDE (UDMA mode 0) to IDE (UDMA mode 2)?
  116. How to convert from IDE (UDMA mode 2) to IDE (UDMA mode 0)?
  117. How to convert from IDE (UDMA mode 1) to IDE (UDMA mode 2)?
  118. How to convert from IDE (UDMA mode 2) to IDE (UDMA mode 1)?
  119. How to convert from IDE (UDMA mode 3) to IDE (UDMA mode 2)?
  120. How to convert from IDE (UDMA mode 2) to IDE (UDMA mode 3)?
  121. How to convert from IDE (UDMA mode 4) to IDE (UDMA mode 2)?
  122. How to convert from IDE (UDMA mode 2) to IDE (UDMA mode 4)?
  123. How to convert from IDE (UDMA-33) to IDE (UDMA mode 2)?
  124. How to convert from IDE (UDMA mode 2) to IDE (UDMA-33)?
  125. How to convert from IDE (UDMA-66) to IDE (UDMA mode 2)?
  126. How to convert from IDE (UDMA mode 2) to IDE (UDMA-66)?
  127. How to convert from USB to IDE (UDMA mode 2)?
  128. How to convert from IDE (UDMA mode 2) to USB?
  129. How to convert from firewire (IEEE-1394) to IDE (UDMA mode 2)?
  130. How to convert from IDE (UDMA mode 2) to firewire (IEEE-1394)?
  131. How to convert from T0 (payload) to IDE (UDMA mode 2)?
  132. How to convert from IDE (UDMA mode 2) to T0 (payload)?
  133. How to convert from T0 (B8ZS payload) to IDE (UDMA mode 2)?
  134. How to convert from IDE (UDMA mode 2) to T0 (B8ZS payload)?
  135. How to convert from T1 (signal) to IDE (UDMA mode 2)?
  136. How to convert from IDE (UDMA mode 2) to T1 (signal)?
  137. How to convert from T1 (payload) to IDE (UDMA mode 2)?
  138. How to convert from IDE (UDMA mode 2) to T1 (payload)?
  139. How to convert from T1Z (payload) to IDE (UDMA mode 2)?
  140. How to convert from IDE (UDMA mode 2) to T1Z (payload)?
  141. How to convert from T1C (signal) to IDE (UDMA mode 2)?
  142. How to convert from IDE (UDMA mode 2) to T1C (signal)?
  143. How to convert from T1C (payload) to IDE (UDMA mode 2)?
  144. How to convert from IDE (UDMA mode 2) to T1C (payload)?
  145. How to convert from T2 (signal) to IDE (UDMA mode 2)?
  146. How to convert from IDE (UDMA mode 2) to T2 (signal)?
  147. How to convert from T3 (signal) to IDE (UDMA mode 2)?
  148. How to convert from IDE (UDMA mode 2) to T3 (signal)?
  149. How to convert from T3 (payload) to IDE (UDMA mode 2)?
  150. How to convert from IDE (UDMA mode 2) to T3 (payload)?
  151. How to convert from T3Z (payload) to IDE (UDMA mode 2)?
  152. How to convert from IDE (UDMA mode 2) to T3Z (payload)?
  153. How to convert from T4 (signal) to IDE (UDMA mode 2)?
  154. How to convert from IDE (UDMA mode 2) to T4 (signal)?
  155. How to convert from E.P.T.A. 1 (signal) to IDE (UDMA mode 2)?
  156. How to convert from IDE (UDMA mode 2) to E.P.T.A. 1 (signal)?
  157. How to convert from E.P.T.A. 1 (payload) to IDE (UDMA mode 2)?
  158. How to convert from IDE (UDMA mode 2) to E.P.T.A. 1 (payload)?
  159. How to convert from E.P.T.A. 2 (signal) to IDE (UDMA mode 2)?
  160. How to convert from IDE (UDMA mode 2) to E.P.T.A. 2 (signal)?
  161. How to convert from E.P.T.A. 2 (payload) to IDE (UDMA mode 2)?
  162. How to convert from IDE (UDMA mode 2) to E.P.T.A. 2 (payload)?
  163. How to convert from E.P.T.A. 3 (signal) to IDE (UDMA mode 2)?
  164. How to convert from IDE (UDMA mode 2) to E.P.T.A. 3 (signal)?
  165. How to convert from E.P.T.A. 3 (payload) to IDE (UDMA mode 2)?
  166. How to convert from IDE (UDMA mode 2) to E.P.T.A. 3 (payload)?
  167. How to convert from H0 to IDE (UDMA mode 2)?
  168. How to convert from IDE (UDMA mode 2) to H0?
  169. How to convert from H11 to IDE (UDMA mode 2)?
  170. How to convert from IDE (UDMA mode 2) to H11?
  171. How to convert from H12 to IDE (UDMA mode 2)?
  172. How to convert from IDE (UDMA mode 2) to H12?
  173. How to convert from Virtual Tributary 1 (signal) to IDE (UDMA mode 2)?
  174. How to convert from IDE (UDMA mode 2) to Virtual Tributary 1 (signal)?
  175. How to convert from Virtual Tributary 1 (payload) to IDE (UDMA mode 2)?
  176. How to convert from IDE (UDMA mode 2) to Virtual Tributary 1 (payload)?
  177. How to convert from Virtual Tributary 2 (signal) to IDE (UDMA mode 2)?
  178. How to convert from IDE (UDMA mode 2) to Virtual Tributary 2 (signal)?
  179. How to convert from Virtual Tributary 2 (payload) to IDE (UDMA mode 2)?
  180. How to convert from IDE (UDMA mode 2) to Virtual Tributary 2 (payload)?
  181. How to convert from Virtual Tributary 6 (signal) to IDE (UDMA mode 2)?
  182. How to convert from IDE (UDMA mode 2) to Virtual Tributary 6 (signal)?
  183. How to convert from Virtual Tributary 6 (payload) to IDE (UDMA mode 2)?
  184. How to convert from IDE (UDMA mode 2) to Virtual Tributary 6 (payload)?
  185. How to convert from STS1 (signal) to IDE (UDMA mode 2)?
  186. How to convert from IDE (UDMA mode 2) to STS1 (signal)?
  187. How to convert from STS1 (payload) to IDE (UDMA mode 2)?
  188. How to convert from IDE (UDMA mode 2) to STS1 (payload)?
  189. How to convert from STS3 (signal) to IDE (UDMA mode 2)?
  190. How to convert from IDE (UDMA mode 2) to STS3 (signal)?
  191. How to convert from STS3 (payload) to IDE (UDMA mode 2)?
  192. How to convert from IDE (UDMA mode 2) to STS3 (payload)?
  193. How to convert from STS3c (signal) to IDE (UDMA mode 2)?
  194. How to convert from IDE (UDMA mode 2) to STS3c (signal)?
  195. How to convert from STS3c (payload) to IDE (UDMA mode 2)?
  196. How to convert from IDE (UDMA mode 2) to STS3c (payload)?
  197. How to convert from STS12 (signal) to IDE (UDMA mode 2)?
  198. How to convert from IDE (UDMA mode 2) to STS12 (signal)?
  199. How to convert from STS24 (signal) to IDE (UDMA mode 2)?
  200. How to convert from IDE (UDMA mode 2) to STS24 (signal)?
  201. How to convert from STS48 (signal) to IDE (UDMA mode 2)?
  202. How to convert from IDE (UDMA mode 2) to STS48 (signal)?
  203. How to convert from STS192 (signal) to IDE (UDMA mode 2)?
  204. How to convert from IDE (UDMA mode 2) to STS192 (signal)?
  205. How to convert from STM-1 (signal) to IDE (UDMA mode 2)?
  206. How to convert from IDE (UDMA mode 2) to STM-1 (signal)?
  207. How to convert from STM-4 (signal) to IDE (UDMA mode 2)?
  208. How to convert from IDE (UDMA mode 2) to STM-4 (signal)?
  209. How to convert from STM-16 (signal) to IDE (UDMA mode 2)?
  210. How to convert from IDE (UDMA mode 2) to STM-16 (signal)?
  211. How to convert from STM-64 (signal) to IDE (UDMA mode 2)?
  212. How to convert from IDE (UDMA mode 2) to STM-64 (signal)?

What Is This Tool?

This converter helps you translate data transfer units from IDE (UDMA mode 2), also known as ATA/33, to IDE (UDMA-66), also called Ultra DMA Mode 4 or ATA‑66. It simplifies understanding and comparing the transfer rates between these legacy PATA storage modes.

How to Use This Tool?

  • Enter the value in IDE (UDMA mode 2) units you want to convert
  • Choose IDE (UDMA-66) as the target unit
  • Click the convert button to get the equivalent IDE (UDMA-66) value
  • Use the result to compare transfer rates or configure device settings

Key Features

  • Converts transfer rates between IDE (UDMA mode 2) and IDE (UDMA-66)
  • Supports legacy PATA (IDE) device and controller configurations
  • Provides clear examples of conversion usage
  • Browser-based and easy to navigate
  • Helps in BIOS setting verification and hardware troubleshooting

Examples

  • 2 IDE (UDMA mode 2) equals 1 IDE (UDMA-66)
  • 4 IDE (UDMA mode 2) equals 2 IDE (UDMA-66)

Common Use Cases

  • Configuring legacy PC BIOS or drive-controller settings for ATA/33 or ATA/66 performance
  • Interpreting benchmark results for older hard drives and optical drives
  • Troubleshooting transfer mode compatibility on PATA/IDE systems
  • Selecting the correct transfer mode to optimize legacy system throughput
  • Understanding data rate differences for system maintenance and upgrades

Tips & Best Practices

  • Verify both the controller and drive support the transfer mode you intend to use
  • Use an 80-conductor cable when working with IDE (UDMA-66) to ensure proper functionality
  • Cross-check BIOS and firmware settings when configuring transfer modes
  • Interpret conversion results as theoretical values and consider real-world factors
  • Use this tool to aid in troubleshooting and optimizing older computer systems

Limitations

  • The conversion reflects theoretical maximum transfer rates only
  • Actual throughput may vary due to cable quality, device firmware, and system overhead
  • Compatibility relies on device and controller support as well as appropriate cabling
  • Does not account for real-world performance variation or errors

Frequently Asked Questions

What is IDE (UDMA mode 2)?
IDE (UDMA mode 2), also called ATA/33, is a legacy PATA transfer mode with a maximum theoretical rate of about 33.3 megabytes per second for host-drive data transfers.

Why do I need to use IDE (UDMA-66)?
IDE (UDMA-66) offers a higher theoretical data transfer rate of 66.7 megabytes per second and requires an 80-conductor cable along with controller and device support.

Can I convert actual data speeds exactly using this tool?
No, this tool provides conversions based on theoretical maximum rates and does not account for actual system overhead or hardware limitations.

Key Terminology

IDE (UDMA mode 2)
A Parallel ATA transfer mode also known as ATA/33 with a theoretical maximum data rate of approximately 33.3 MB/s used in legacy PATA systems.
IDE (UDMA-66)
Also called Ultra DMA Mode 4 or ATA-66, a PATA mode providing a 66.7 MB/s theoretical data transfer rate requiring 80-conductor cables and device/controller support.
PATA (Parallel ATA)
A legacy interface standard for connecting storage devices like hard drives and optical drives using parallel data transfer.

Quick Knowledge Check

What transfer rate does IDE (UDMA mode 2) represent?
What is required for IDE (UDMA-66) that is not for IDE (UDMA mode 2)?
What does the conversion factor 0.5 indicate?