Online Data Transfer Units Converter
How to Convert from IDE (DMA mode 2) to IDE (PIO mode 1)?
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How to Convert from IDE (DMA mode 2) to IDE (PIO mode 1)?

Convert data transfer units between IDE (DMA mode 2) and IDE (PIO mode 1), two legacy PATA/IDE transfer modes used for configuring and diagnosing older storage devices and systems.

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

IDE (DMA mode 2) to IDE (PIO mode 1) Conversion Table

IDE (DMA mode 2) IDE (PIO mode 1)

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 (DMA mode 2) to IDE (PIO mode 1) Conversion Table
IDE (DMA mode 2) IDE (PIO mode 1)

Explore More Data Transfer Units Converter

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

What Is This Tool?

This tool allows users to convert between IDE (DMA mode 2) and IDE (PIO mode 1), which are data transfer modes for legacy Parallel ATA (PATA) devices. It helps in understanding differences in transfer speeds and CPU overhead in older storage hardware and system environments.

How to Use This Tool?

  • Enter the data transfer value in IDE (DMA mode 2) units.
  • Select IDE (DMA mode 2) as the source unit and IDE (PIO mode 1) as the target unit.
  • Click convert to see the equivalent IDE (PIO mode 1) value.
  • Use results to assist in diagnosing or configuring legacy PATA/IDE devices.

Key Features

  • Converts data transfer values from IDE (DMA mode 2) to IDE (PIO mode 1).
  • Supports legacy PATA/IDE device transfer mode configurations.
  • Helps compare throughput and CPU usage differences between DMA and PIO transfers.
  • Browser-based and easy to use for troubleshooting and benchmarking.

Examples

  • 1 IDE (DMA mode 2) equals approximately 3.19 IDE (PIO mode 1).
  • 2 IDE (DMA mode 2) converts to about 6.38 IDE (PIO mode 1).

Common Use Cases

  • Diagnosing legacy PATA/IDE hard drives and optical drives performance.
  • Firmware and BIOS development adjusting transfer modes on older systems.
  • Benchmarking or troubleshooting data transfer behavior on vintage or embedded devices.

Tips & Best Practices

  • Use this conversion to compare CPU overhead differences between DMA and PIO modes.
  • Apply results when configuring legacy hardware or debugging device drivers.
  • Remember the conversion is approximate and depends on actual hardware conditions.

Limitations

  • Conversion applies only within legacy PATA/IDE standards and device capabilities.
  • Transfer speeds and CPU load can vary due to system firmware and architecture.
  • Modern computer systems rarely use these modes, limiting conversion to vintage hardware contexts.

Frequently Asked Questions

What does IDE (DMA mode 2) mean?
IDE (DMA mode 2) is a multiword DMA transfer mode that allows IDE devices to move data directly with minimal CPU use, offering higher throughput than PIO modes.

Why convert IDE (DMA mode 2) to IDE (PIO mode 1)?
Users convert to compare transfer speeds and CPU overhead differences, useful for configuring legacy devices and diagnosing performance.

Can this converter be used for modern hard drives?
No, because these transfer modes are part of legacy PATA/IDE standards and are rarely used in modern hardware.

Key Terminology

IDE (DMA mode 2)
A data transfer mode that enables IDE devices to move data directly to or from memory with minimal CPU intervention, part of legacy PATA/IDE standards.
IDE (PIO mode 1)
A programmed I/O transfer mode where the CPU controls each data transfer cycle, resulting in moderate throughput but higher CPU overhead.
PATA/IDE
An older interface standard for connecting storage devices using Parallel ATA technology.

Quick Knowledge Check

What is the primary characteristic of IDE (DMA mode 2)?
What distinguishes IDE (PIO mode 1) from DMA mode 2?
Why is this conversion useful for vintage systems?

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