Online Data Transfer Units Converter
How to Convert from IDE (PIO mode 4) to IDE (UDMA mode 3)?
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How to Convert from IDE (PIO mode 4) to IDE (UDMA mode 3)?

Learn how to convert and compare data transfer rates between IDE (PIO mode 4) and IDE (UDMA mode 3) for legacy PATA/IDE storage devices using this practical online converter.

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

IDE (PIO mode 4) to IDE (UDMA mode 3) Conversion Table

IDE (PIO mode 4) IDE (UDMA mode 3)

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 4) to IDE (UDMA mode 3) Conversion Table
IDE (PIO mode 4) IDE (UDMA mode 3)

Explore More Data Transfer Units Converter

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

What Is This Tool?

This converter helps you transform values from IDE (PIO mode 4), a CPU-driven ATA/IDE transfer mode, into IDE (UDMA mode 3), a DMA-driven transfer mode with higher throughput. Ideal for legacy hardware performance comparisons and configurations.

How to Use This Tool?

  • Enter the value in IDE (PIO mode 4) units you wish to convert
  • Choose IDE (PIO mode 4) as the source unit and IDE (UDMA mode 3) as the target unit
  • Click the convert button to view the equivalent data transfer rate in IDE (UDMA mode 3)
  • Use the output to benchmark or configure legacy IDE/ATA device settings

Key Features

  • Converts IDE (PIO mode 4) data transfer rate values into IDE (UDMA mode 3) units accurately
  • Supports legacy PATA/IDE interface modes used in older PC and embedded systems
  • Provides clear conversion examples to assist with benchmarking and diagnosis
  • Browser-based, user-friendly interface requiring no installation

Examples

  • 1 IDE (PIO mode 4) = 0.332 IDE (UDMA mode 3)
  • 5 IDE (PIO mode 4) equals 1.66 IDE (UDMA mode 3) by multiplying 5 × 0.332

Common Use Cases

  • Configuring BIOS or firmware settings for older IDE/ATA storage devices
  • Benchmarking legacy storage device performance during hardware upgrades
  • Comparing transfer rates between CPU-driven and DMA-driven modes in retro-computing
  • Troubleshooting and refurbishing vintage PCs and embedded systems

Tips & Best Practices

  • Always verify which IDE mode your device supports before conversion
  • Use conversion results to inform configuration changes in system BIOS or firmware for optimal legacy device performance
  • Consider system overhead factors when comparing theoretical transfer rates
  • Retain legacy mode compatibility for industrial or retro-computing use cases

Limitations

  • Conversion reflects theoretical maximum throughput, not actual sustained transfer speeds
  • Performance may vary due to system overhead, hardware condition, or software factors
  • Applicable only to legacy PATA/IDE interfaces, not modern SATA or NVMe devices

Frequently Asked Questions

What does IDE (PIO mode 4) represent?
IDE (PIO mode 4) is a CPU-controlled ATA/IDE transfer mode with older timing and handshaking used in legacy storage devices, offering a maximum theoretical throughput of about 16.7 MB/s.

Why convert IDE (PIO mode 4) to IDE (UDMA mode 3)?
Converting helps compare transfer rates between older CPU-driven and newer DMA-driven modes, assisting in benchmarking, upgrades, and maintaining compatibility in legacy systems.

Can this converter be used for modern storage devices?
No, this tool is designed specifically for legacy PATA/IDE modes and is not applicable to modern SATA or NVMe storage technologies.

Key Terminology

IDE (PIO mode 4)
A CPU-driven Programmed Input/Output transfer mode for ATA/IDE devices with about 16.7 MB/s theoretical throughput.
IDE (UDMA mode 3)
An Ultra DMA transfer mode for PATA devices with approximately 44.4 MB/s maximum rate and reduced CPU involvement.
Data Transfer Rate
The speed at which data is transmitted between a storage device and the host system.

Quick Knowledge Check

What is the maximum theoretical throughput of IDE (PIO mode 4)?
Which IDE mode uses DMA for data transfers?
Is this converter applicable for SATA or NVMe devices?

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