Yamaha CD Recordable/Rewritable Drive CRW-70 - Manual (Page 27)

Using the CRW-70 Drive as a CD-R/RW Drive (When Connected to a Computer)
18
Always install the CRW-70 drive horizontally.
1 11 1
Turn on the computer.
2 22 2
Check that the power switch of the CRW-70 drive is turned off.
3 33 3
Connect the USB cable that came with the CRW-70 drive.
The USB cable provided has two types of plug: a series A plug and a
series B plug.
Insert the series B plug (with a square cross section) of the USB cable
provided in the USB port of the CRW-70 drive.
STEP 1 Connect the CRW-70 Drive
Power switch
Series A plug Series B plug
USB port
USB cable
(provided)
Series B plug