Online Data Transfer Units Converter
Convert IDE (UDMA mode 1) to IDE (PIO mode 4) Data Transfer Rates

Convert IDE (UDMA mode 1) to IDE (PIO mode 4) Data Transfer Rates

Easily convert data transfer rates from IDE (UDMA mode 1) to IDE (PIO mode 4) for legacy ATA/IDE devices with this accurate online converter tool.

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

IDE (UDMA mode 1) to IDE (PIO mode 4) Conversion Table

IDE (UDMA mode 1) IDE (PIO 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 1) to IDE (PIO mode 4) Conversion Table
IDE (UDMA mode 1) IDE (PIO mode 4)

Explore More Data Transfer Units Converter

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

What Is This Tool?

This online converter transforms data transfer values between two legacy ATA/IDE modes: IDE (UDMA mode 1) and IDE (PIO mode 4). It is designed to aid vintage computing and embedded systems users in comparing and configuring older storage devices.

How to Use This Tool?

  • Enter the data transfer value in IDE (UDMA mode 1)
  • Select IDE (UDMA mode 1) as the source unit
  • Select IDE (PIO mode 4) as the target unit
  • Click convert to see the equivalent IDE (PIO mode 4) value

Key Features

  • Converts transfer rates from IDE (UDMA mode 1) to IDE (PIO mode 4)
  • Supports legacy Parallel ATA (PATA) interface modes
  • Provides conversions useful for benchmarking and troubleshooting
  • Accessible via any modern web browser without installation

Examples

  • 1 IDE (UDMA mode 1) equals approximately 1.506 IDE (PIO mode 4)
  • 2 IDE (UDMA mode 1) equals approximately 3.012 IDE (PIO mode 4)

Common Use Cases

  • Specifying or diagnosing BIOS and drive transfer settings on vintage PCs
  • Benchmarking performance of older IDE hard disks or optical drives
  • Troubleshooting compatibility and data errors with legacy ATA controllers
  • Configuring embedded systems using historical ATA timing modes
  • Comparing legacy storage device throughput for upgrade assessment

Tips & Best Practices

  • Verify that devices use Parallel ATA interfaces before converting
  • Use conversions for comparative and diagnostic purposes only
  • Recognize that real transfer speeds depend on hardware and system setup
  • Consult device documentation when adjusting BIOS or driver IDE modes

Limitations

  • Theoretical maximum transfer rates may differ from real-world results
  • Conversion applies only to older PATA devices, not to modern SATA or PCIe storage
  • Both modes reflect legacy standards and are considered obsolete today

Frequently Asked Questions

What is IDE (UDMA mode 1)?
IDE (UDMA mode 1) is an Ultra DMA transfer mode for Parallel ATA devices, offering a theoretical maximum transfer speed of about 25 MB/s for legacy PATA drives.

How does IDE (PIO mode 4) differ from IDE (UDMA mode 1)?
IDE (PIO mode 4) is a CPU-driven programmed I/O timing mode with a lower theoretical transfer rate around 16.7 MB/s, focusing on direct CPU control rather than DMA.

Why convert between these two IDE modes?
Converting between IDE (UDMA mode 1) and IDE (PIO mode 4) helps users compare legacy transfer speeds, diagnose BIOS settings, and troubleshoot hardware compatibility for older ATA devices.

Key Terminology

IDE (UDMA mode 1)
An Ultra DMA transfer mode for older Parallel ATA devices with a maximum theoretical rate near 25 MB/s, used for timing and error control in PATA interfaces.
IDE (PIO mode 4)
A Programmed Input/Output timing mode where the CPU directly controls data transfers, featuring a maximum theoretical throughput around 16.7 MB/s for ATA/IDE devices.
PATA
Parallel ATA, an older interface standard for connecting storage devices such as hard drives and optical drives.

Quick Knowledge Check

What transfer rate is associated with IDE (UDMA mode 1)?
IDE (PIO mode 4) is characterized by which type of control?
In which scenario is converting IDE (UDMA mode 1) to IDE (PIO mode 4) useful?