Online Data Transfer Units Converter
How to Convert from IDE (UDMA-66) to SCSI (Fast Ultra)?
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How to Convert from IDE (UDMA-66) to SCSI (Fast Ultra)?

Learn how to convert data transfer units from IDE (UDMA-66) to SCSI (Fast Ultra) with this easy-to-use online converter. Understand the differences, usage, and practical applications of these legacy transfer modes.

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IDE (UDMA-66) to SCSI (Fast Ultra) Conversion Table

IDE (UDMA-66) SCSI (Fast Ultra)

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-66) to SCSI (Fast Ultra) Conversion Table
IDE (UDMA-66) SCSI (Fast Ultra)

Explore More Data Transfer Units Converter

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

What Is This Tool?

This tool converts data transfer rates from IDE (UDMA-66), a legacy PATA transfer mode, to SCSI (Fast Ultra), a parallel SCSI signalling standard. It helps users compare transfer speeds between older ATA devices and higher throughput SCSI peripherals.

How to Use This Tool?

  • Enter the value in IDE (UDMA-66) units you want to convert.
  • Select IDE (UDMA-66) as the from-unit and SCSI (Fast Ultra) as the to-unit.
  • Click the convert button to see the equivalent SCSI (Fast Ultra) units.
  • Use the results to evaluate or compare data transfer performance.

Key Features

  • Converts IDE (UDMA-66) data transfer units to SCSI (Fast Ultra) units accurately.
  • Displays conversion based on theoretical maximum transfer rates.
  • Supports legacy hardware comparison for system compatibility and performance evaluation.
  • Browser-based and easy to use without installation.

Examples

  • 1 IDE (UDMA-66) equals 3.3 SCSI (Fast Ultra).
  • 2 IDE (UDMA-66) equals 6.6 SCSI (Fast Ultra).

Common Use Cases

  • Verifying maximum burst throughput of legacy PATA (IDE) hard drives.
  • Configuring or selecting transfer modes in BIOS for older systems.
  • Comparing transfer performance between IDE and SCSI devices in server setups.
  • Interpreting benchmarks and diagnosing transfer issues on legacy systems.
  • Managing tape backups and optical devices using SCSI interfacing.

Tips & Best Practices

  • Ensure both the device and controller support the specified transfer modes for accurate measurement.
  • Use the converter to assist with compatibility assessments when integrating legacy hardware.
  • Remember that actual transfer speeds may vary due to hardware and environmental factors.
  • Keep in mind the converter supports only legacy standards, useful mainly for maintenance or archival purposes.

Limitations

  • Conversion rates are theoretical maximums and do not guarantee actual sustained throughput.
  • Results may not account for hardware, cable quality, protocol overhead, or system bottlenecks.
  • Applies only to older legacy transfer technologies largely replaced by modern interfaces.
  • Practical use is mainly limited to specific repair, archival, or legacy system setups.

Frequently Asked Questions

What does IDE (UDMA-66) mean?
IDE (UDMA-66), also known as Ultra DMA Mode 4 or ATA-66, is a PATA transfer mode defining a maximum theoretical data rate of 66.7 megabytes per second.

What is SCSI (Fast Ultra)?
SCSI (Fast Ultra) is a parallel SCSI signalling mode that enhances device-to-host throughput while maintaining compatibility with the SCSI command set.

Why convert between IDE (UDMA-66) and SCSI (Fast Ultra)?
Conversion helps compare transfer speeds between legacy PATA devices and higher throughput SCSI peripherals for compatibility assessment and performance evaluation.

Key Terminology

IDE (UDMA-66)
A Parallel ATA mode also called Ultra DMA Mode 4 defining a maximum burst data rate of 66.7 MB/s for legacy PATA devices.
SCSI (Fast Ultra)
A parallel SCSI signalling mode combining Fast and Ultra extensions to increase throughput and reduce latency.
Data Transfer Rate
The speed at which data is transmitted from one device to another within a computer or network.

Quick Knowledge Check

What is the maximum theoretical data rate of IDE (UDMA-66)?
What does the conversion from IDE (UDMA-66) to SCSI (Fast Ultra) represent?
Which hardware environment commonly uses SCSI (Fast Ultra)?

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