Online Data Transfer Units Converter
How to Convert from IDE (DMA mode 1) to IDE (UDMA mode 4)?

How to Convert from IDE (DMA mode 1) to IDE (UDMA mode 4)?

Learn how to convert data transfer units from IDE (DMA mode 1) to IDE (UDMA mode 4) for legacy IDE/ATA storage interfaces. Understand the differences, use cases, and best practices for optimizing older system performance.

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

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

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

Explore More Data Transfer Units Converter

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

What Is This Tool?

This converter is designed to transform values between two specific data transfer modes used in legacy IDE/ATA storage devices: IDE (DMA mode 1) and IDE (UDMA mode 4). It helps users assess and compare transfer mode capabilities to optimize or troubleshoot older hardware setups.

How to Use This Tool?

  • Enter the number of units in IDE (DMA mode 1) you want to convert
  • Select IDE (DMA mode 1) as the input unit and IDE (UDMA mode 4) as the output unit
  • Click the convert button to get the equivalent value in IDE (UDMA mode 4)
  • Use the converted value to analyze or configure legacy system transfer modes

Key Features

  • Converts data transfer units from IDE (DMA mode 1) to IDE (UDMA mode 4)
  • Supports legacy IDE/ATA storage interface modes used in vintage computing
  • Browser-based and user-friendly for easy unit conversion
  • Provides conversion based on defined mode capabilities within ATA standards
  • Ideal for IT professionals handling legacy hardware upgrades and troubleshooting

Examples

  • Converting 5 IDE (DMA mode 1) results in approximately 1.0076 IDE (UDMA mode 4)
  • Converting 10 IDE (DMA mode 1) results in approximately 2.0152 IDE (UDMA mode 4)

Common Use Cases

  • Reducing CPU load by configuring data transfer between older IDE/ATA drives and system memory
  • Tuning or troubleshooting BIOS/OS ATA driver settings for legacy systems
  • Benchmarking or maintaining vintage desktop PCs and embedded systems
  • Data recovery and testing legacy IDE devices during system upgrades
  • Ensuring compatibility of older IDE devices with faster transfer modes

Tips & Best Practices

  • Ensure your hardware uses the correct cable type, such as an 80-conductor IDE cable for IDE (UDMA mode 4)
  • Verify BIOS or firmware settings align with the selected data transfer mode for optimal performance
  • Use this conversion to assess relative transfer capabilities rather than actual achieved speeds
  • Complement conversion results with hardware benchmarking for accurate performance insights

Limitations

  • The conversion represents mode capability and not actual data transfer speeds
  • Real throughput is affected by hardware quality and system configurations
  • The tool is not applicable for SATA or newer NVMe storage technologies
  • Using the wrong cable type may lead to unreliable signaling in UDMA modes

Frequently Asked Questions

What does IDE (DMA mode 1) mean?
IDE (DMA mode 1) is a Direct Memory Access transfer mode within the IDE/ATA protocol used for moderate-speed data transfers with minimal CPU involvement on older hardware.

Why is this conversion important?
Converting from IDE (DMA mode 1) to IDE (UDMA mode 4) helps users evaluate and upgrade legacy system data transfer speeds and configure BIOS or firmware appropriately.

Can I use this tool for SATA or NVMe drives?
No, this converter specifically applies to legacy IDE/ATA transfer modes and is not compatible with SATA or NVMe storage technologies.

Key Terminology

IDE (DMA mode 1)
A direct memory access mode defined for IDE/ATA devices allowing moderate-speed transfers with minimal CPU usage.
IDE (UDMA mode 4)
An Ultra DMA mode within the IDE/ATA standard enabling faster parallel data transfers requiring an 80-conductor cable.
Direct Memory Access (DMA)
A feature allowing hardware subsystems to access system memory independently from the CPU.

Quick Knowledge Check

What type of cable is required for IDE (UDMA mode 4)?
What does the conversion from IDE (DMA mode 1) to IDE (UDMA mode 4) represent?
Which use case applies to converting IDE (DMA mode 1) to IDE (UDMA mode 4)?