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

How to Convert from IDE (UDMA mode 4) to IDE (PIO mode 3)?

Learn how to convert data transfer rates between IDE (UDMA mode 4) and IDE (PIO mode 3) for legacy hardware and troubleshooting purposes.

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

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

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

Explore More Data Transfer Units Converter

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

What Is This Tool?

This converter transforms data transfer rates from IDE (UDMA mode 4), a fast Ultra DMA transfer mode, to IDE (PIO mode 3), a slower CPU-driven programmed I/O mode. It is designed to assist users working with legacy IDE/ATA storage devices.

How to Use This Tool?

  • Enter the value in IDE (UDMA mode 4) units you want to convert
  • Select IDE (PIO mode 3) as the target unit
  • Click convert to see the equivalent data transfer rate
  • Use the result to assist with configuring or comparing legacy storage devices

Key Features

  • Converts data transfer rates between IDE (UDMA mode 4) and IDE (PIO mode 3)
  • Supports legacy IDE/ATA drive modes used in PCs and embedded systems
  • Provides conversion based on theoretical maximum throughput
  • Helps compare, configure, and troubleshoot legacy storage protocols

Examples

  • 1 IDE (UDMA mode 4) equals approximately 5.95 IDE (PIO mode 3)
  • 2 IDE (UDMA mode 4) equals approximately 11.89 IDE (PIO mode 3)

Common Use Cases

  • Connecting PATA/IDE hard drives or optical drives in older PC systems that support ATA-66
  • Configuring or troubleshooting DMA and PIO modes in BIOS or firmware for legacy desktop or embedded machines
  • Benchmarking, maintaining, or recovering data from legacy IDE storage devices
  • Testing performance and compatibility in retrocomputing environments or historical hardware comparisons
  • Interfacing embedded or industrial systems with older IDE drives where DMA is not supported

Tips & Best Practices

  • Verify the transfer mode supported by your hardware before converting
  • Use the converter to help maintain compatibility when working with older storage devices
  • Consider system overhead that may affect real-world transfer speeds despite theoretical values
  • Utilize the conversion tool during troubleshooting to identify protocol or speed mismatches

Limitations

  • Conversion is theoretical and based on maximum throughput specifications only
  • Actual transfer speeds can be affected by system performance, hardware condition, and overhead
  • IDE (PIO mode 3) is considerably slower and more CPU-intensive compared to IDE (UDMA mode 4)
  • Not suitable for modern hardware requirements due to legacy protocols

Frequently Asked Questions

What is IDE (UDMA mode 4)?
IDE (UDMA mode 4), also known as Ultra DMA/66, is a Parallel ATA transfer mode enabling data transfer rates up to about 66.7 megabytes per second using an 80-conductor IDE cable.

What distinguishes IDE (PIO mode 3) from IDE (UDMA mode 4)?
IDE (PIO mode 3) is a CPU-driven, programmed I/O mode with a maximum throughput near 11.1 megabytes per second, whereas IDE (UDMA mode 4) uses Ultra DMA protocol for faster data transfer.

Why would I convert between these two modes?
Conversion helps compare or configure legacy storage devices operating under different transfer protocols, aids in troubleshooting, and supports maintenance of older hardware systems.

Key Terminology

IDE (UDMA mode 4)
A Parallel ATA transfer mode using Ultra DMA protocol with a theoretical throughput of about 66.7 MB/s, requiring an 80-conductor IDE cable.
IDE (PIO mode 3)
A CPU-driven programmed I/O transfer mode with a theoretical maximum throughput of about 11.1 MB/s used in legacy Parallel ATA/IDE devices.
Ultra DMA
A data transfer protocol in the IDE/ATA standard enabling faster block data movement between devices and host systems.

Quick Knowledge Check

Which transfer mode uses an 80-conductor IDE cable for reliable signaling?
What is a key characteristic of IDE (PIO mode 3)?
What is one main use case for converting IDE (UDMA mode 4) to IDE (PIO mode 3)?