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

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

Convert data transfer rates between IDE (UDMA mode 1) and IDE (UDMA mode 4) to analyze or configure legacy Parallel ATA hardware performance and compatibility.

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

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

IDE (UDMA 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 (UDMA mode 1) to IDE (UDMA mode 4) Conversion Table
IDE (UDMA mode 1) IDE (UDMA 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 converter facilitates the calculation and comparison of data transfer rates between IDE (UDMA mode 1) and IDE (UDMA mode 4), which are legacy Ultra DMA transfer modes used in Parallel ATA interfaces from vintage computing hardware.

How to Use This Tool?

  • Enter the data transfer value in IDE (UDMA mode 1) units.
  • Select IDE (UDMA mode 1) as the source unit and IDE (UDMA mode 4) as the target unit.
  • Click convert to get the equivalent value in IDE (UDMA mode 4).
  • Use the result to assess or configure hardware settings or conduct legacy hardware benchmarking.

Key Features

  • Converts transfer rates between two specific IDE UDMA modes used in older PATA devices.
  • Supports comparisons essential for vintage PC hardware configuration and troubleshooting.
  • Provides straightforward conversion based on established theoretical maximum transfer rates.
  • Useful for benchmarking and diagnosing data flow in legacy IDE drives and optical devices.

Examples

  • 5 IDE (UDMA mode 1) converts to approximately 1.89 IDE (UDMA mode 4).
  • 10 IDE (UDMA mode 1) converts to approximately 3.79 IDE (UDMA mode 4).

Common Use Cases

  • Determining transfer settings for vintage PCs with PATA drives.
  • Benchmarking expected throughput of older IDE hard disks or optical drives.
  • Troubleshooting compatibility and performance issues caused by inappropriate UDMA mode selection.
  • Configuring DMA modes in firmware for legacy desktop or embedded systems.
  • Supporting data recovery from older IDE devices.

Tips & Best Practices

  • Ensure the use of an 80-conductor IDE cable when working with IDE (UDMA mode 4) for reliable signals.
  • Avoid assuming theoretical maximum transfer rates reflect real throughput due to overhead and hardware condition.
  • Use this conversion tool as a guide for comparing modes rather than absolute performance measurement.
  • Pay attention to BIOS or firmware support when switching between UDMA modes to prevent compatibility issues.

Limitations

  • Theoretical transfer speeds do not consider cable quality, system overhead, or device condition.
  • IDE (UDMA mode 4) requires an 80-conductor IDE cable for optimal performance; lacking this can cause errors.
  • Hardware and firmware compatibility issues may restrict switching between UDMA modes.

Frequently Asked Questions

What is the main difference between IDE (UDMA mode 1) and IDE (UDMA mode 4)?
IDE (UDMA mode 1) offers a maximum theoretical rate of about 25 MB/s, while IDE (UDMA mode 4) provides up to approximately 66.7 MB/s and requires an 80-conductor IDE cable for stable operation.

Key Terminology

IDE (UDMA mode 1)
An Ultra DMA transfer mode for PATA devices delivering up to around 25 MB/s, used in older parallel ATA systems.
IDE (UDMA mode 4)
Also known as Ultra DMA/66, this PATA transfer mode supports up to approximately 66.7 MB/s and requires an 80-conductor IDE cable.
Ultra DMA
A protocol enabling efficient block data transfer between a drive and host controller within Parallel ATA standards.
PATA
Parallel ATA, an interface standard for connecting storage devices in computers, common before SATA.

Quick Knowledge Check

Which IDE mode requires an 80-conductor IDE cable for reliable signaling?
What is a common use case for converting IDE (UDMA mode 1) to IDE (UDMA mode 4)?
What factor is NOT accounted for in the theoretical transfer rates of these UDMA modes?