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

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

Learn how to convert data transfer values from IDE (PIO mode 2) to IDE (UDMA mode 4) to understand improvements in legacy drive transfer performance and system configuration.

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

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

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

Explore More Data Transfer Units Converter

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

What Is This Tool?

This converter allows you to translate data transfer values from IDE (PIO mode 2), a legacy programmed I/O transfer mode, to IDE (UDMA mode 4), an Ultra DMA transfer mode with higher theoretical throughput. It is useful for working with older storage devices and systems.

How to Use This Tool?

  • Enter the value in IDE (PIO mode 2) transfer units
  • Select the target unit as IDE (UDMA mode 4)
  • Click convert to get the equivalent IDE (UDMA mode 4) value
  • Review the output to interpret performance differences

Key Features

  • Converts between IDE (PIO mode 2) and IDE (UDMA mode 4) data transfer modes
  • Provides clear understanding of legacy and Ultra DMA transfer modes
  • Supports use in troubleshooting and configuring older IDE hardware
  • Browser-based and easy to use without installation

Examples

  • 2 IDE (PIO mode 2) equals approximately 0.25 IDE (UDMA mode 4)
  • 8 IDE (PIO mode 2) is about 1.01 IDE (UDMA mode 4)

Common Use Cases

  • Interpreting or configuring legacy BIOS/firmware IDE drive timings
  • Diagnosing performance issues on vintage PCs using older IDE drives
  • Benchmarking or maintaining storage devices from the late 1990s to early 2000s
  • Data recovery from legacy IDE hardware
  • Understanding transition benefits from PIO to Ultra DMA transfer protocols

Tips & Best Practices

  • Verify you are using the correct unit definitions before converting
  • Use an 80-conductor IDE cable when working with UDMA mode 4
  • Consider hardware and system configuration as they affect actual throughput
  • Use the tool to assist troubleshooting legacy systems and firmware

Limitations

  • Conversion shows theoretical transfer mode timings, not exact actual speeds
  • Real transfer rates depend on hardware, cable quality, and system configuration
  • Compatibility issues can arise due to differing interface requirements
  • Modern systems typically do not support PIO modes due to lower efficiency

Frequently Asked Questions

What does IDE (PIO mode 2) represent?
It is an ATA/IDE timing specification for CPU-driven data transfers without DMA, used by older IDE hard and optical drives.

Why convert IDE (PIO mode 2) values to IDE (UDMA mode 4)?
To understand performance improvements from legacy programmed I/O to faster Ultra DMA transfer modes in storage devices.

Does this converter reflect real transfer speeds?
No, it reflects theoretical transfer mode timings. Actual speeds vary based on hardware and configuration.

Key Terminology

IDE (PIO mode 2)
A legacy ATA/IDE timing mode for CPU-driven data transfers using programmed I/O cycles.
IDE (UDMA mode 4)
An Ultra DMA transfer mode in the ATA/IDE standard allowing faster block data movement, also known as Ultra DMA/66.
PIO
Programmed Input/Output; a method where the CPU manages data transfer without direct memory access.

Quick Knowledge Check

What type of data transfer is IDE (PIO mode 2)?
Which cable is required for IDE (UDMA mode 4)?
Why might you convert IDE (PIO mode 2) to IDE (UDMA mode 4)?