Online Data Transfer Units Converter
How to Convert from IDE (UDMA mode 2) to IDE (UDMA mode 4)?

How to Convert from IDE (UDMA mode 2) to IDE (UDMA mode 4)?

A detailed guide and unit converter for converting data transfer rates from IDE (UDMA mode 2) to IDE (UDMA mode 4) to assist with legacy PC hardware configuration and benchmarking.

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

IDE (UDMA mode 2) to IDE (UDMA mode 4) Conversion Table

IDE (UDMA mode 2) IDE (UDMA mode 4)

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 mode 4) Conversion Table
IDE (UDMA mode 2) IDE (UDMA mode 4)

Explore More Data Transfer Units Converter

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  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 allows users to transform data transfer values between IDE (UDMA mode 2), known as ATA/33, and IDE (UDMA mode 4), also called Ultra DMA/66, aiding in legacy hardware performance evaluation and configuration.

How to Use This Tool?

  • Enter the data value in IDE (UDMA mode 2) units you want to convert
  • Select IDE (UDMA mode 2) as the source unit and IDE (UDMA mode 4) as the target unit
  • Click the convert button to get equivalent data transfer values in IDE (UDMA mode 4)
  • Review the conversion results to assist with configuration or comparison tasks

Key Features

  • Converts data transfer units between two specific Ultra DMA modes for Parallel ATA interfaces
  • Supports legacy PC BIOS/firmware setting adjustments related to ATA/33 and ATA/66 modes
  • Provides instant conversion examples to simplify benchmarking and troubleshooting
  • Browser-based and easy to use without any installation
  • Helps compare transfer rates relevant to vintage and embedded system hardware

Examples

  • Converting 2 IDE (UDMA mode 2) results in 1 IDE (UDMA mode 4)
  • Converting 4 IDE (UDMA mode 2) results in 2 IDE (UDMA mode 4)

Common Use Cases

  • Configuring older PC BIOS or drive-controller settings for optimal data transfer rates
  • Benchmarking and comparing throughput between ATA/33 and ATA/66 legacy devices
  • Troubleshooting device compatibility and driver or firmware DMA mode negotiations
  • Maintaining and recovering data from vintage PATA/IDE hard drives or optical drives

Tips & Best Practices

  • Verify that an 80-conductor IDE cable is used for reliable IDE (UDMA mode 4) performance
  • Use this conversion as a theoretical guide, considering real-world hardware variations
  • Cross-check BIOS or firmware settings to match the intended DMA mode for stable operation
  • Compare benchmark results using both units to understand device capabilities and limits

Limitations

  • Conversion reflects theoretical maximum throughput speeds and may differ in practice
  • Actual transfer rates depend on hardware quality and system conditions
  • Compatibility challenges may occur when mixing devices with different UDMA modes
  • Proper cabling is essential to achieve reliable performance especially for IDE (UDMA mode 4)

Frequently Asked Questions

What is IDE (UDMA mode 2)?
It is an Ultra DMA transfer mode, commonly called ATA/33, providing a maximum theoretical throughput of about 33.3 MB/s for PATA/IDE interfaces.

What distinguishes IDE (UDMA mode 4) from mode 2?
IDE (UDMA mode 4), known as ATA/66, doubles the theoretical speed to about 66.7 MB/s and requires an 80-conductor IDE cable for proper signaling.

Why convert between these two modes?
Converting helps compare transfer speeds, configure system BIOS settings, troubleshoot device negotiations, and benchmark legacy hardware performance.

Key Terminology

IDE (UDMA mode 2)
An Ultra DMA mode (ATA/33) providing up to 33.3 MB/s transfer speed for PATA interfaces.
IDE (UDMA mode 4)
An Ultra DMA mode (ATA/66) offering up to 66.7 MB/s transfer speed and requiring an 80-conductor cable.
Ultra DMA
A protocol for fast synchronous data transfer between drives and hosts in Parallel ATA systems.

Quick Knowledge Check

What is the maximum theoretical transfer rate of IDE (UDMA mode 2)?
Which cable type is required for IDE (UDMA mode 4)?
What does converting from IDE (UDMA mode 2) to IDE (UDMA mode 4) help with?