SCSI2SD
From SCSI2SD.COM
1 April 2024 - A direct successor to SCSI2SD V6, ZuluSCSI V6.4, is now available for purchase today at the Rabbit Hole Computing on-line shop.
Legacy products:
| SCSI2SD model |  V5.1 (discontinued) |
 SCSI2SD V5.5 |
||
|---|---|---|---|---|
| SD card slot | full size | microSD | full size | |
| SD card interface | Tested up to 256GB. Communication is via the SPI protocol at 25MHz (3MB/s theoretical max) | |||
| SCSI Interface | SCSI-2 Narrow 8-bit 50-pin IDC connector, Optional DB25 female socket Supports asynchronous transfers only. |
SCSI-2 Narrow 8-bit 50 IDC pin connector Supports asynchronous transfers only. |
Male DB-25 socket Supports asynchronous transfers only. |
SCSI-2 Narrow 8-bit 50 IDC pin connector FAST10 (10MB/s) synchronous transfer. |
| SCSI Termination | Software controlled active termination, via scsi2sd-util | Active terminator, always on | ||
| Dimensions | 10cm x 9cm x 1.5cm | 7.5cm x 5.5cm x 1.8cm (External case) | 10cm x 9cm x 1.5cm | |
| Performance | Up to 2.6MB/s read, 2.3MB/s write (1.1MB/s on most older SCSI hosts) |
Up to 1MB/sec | Up to 10MB/s | |
| USB Interface | Firmware updates and configuration USB 2.0 micro-B |
Firmware updates, configuration, and mass-storage USB 2.0 micro-B. Mass-storage at USB 2.0 FS speeds (1.2MB/s max) | ||
| Power | 5V via: * standard 4-pin floppy-drive connector * micro USB * self-powered using the SCSI host termination power |
5V via: * standard 4-pin floppy-drive connector * micro USB * self-powered using the SCSI host termination power * Regulated 5V via optional DC barrel jack. |
Self-powered using the SCSI host termination power, or via USB. 2.35W maximum (500mA) To function without external power via USB, requires SCSI host that supplies terminator power on pin 25 of the DB25 socket |
5V via standard 4-pin floppy-drive connector, USB, or self-powered using the SCSI host termination power |
| Current Draw | 2.35W maximum (500mA) | |||
