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© Sealevel Systems, Inc. R91001 Manual | SL9211 11/2022
Upgrading the OS Runtime Image on NAND Flash
Factory OS runtime images are stored in the “Boot Files” directory of the R9 Development installation (see
Quick start guide). The OS runtime image present in the NAND Flash is programmed through the USB device
port connection. Prior to programming an OS runtime, the existing image must be erased. The procedure
to erase the NAND Flash is documented in the Debug Port section.
Once the NAND Flash has been erased, use a standard USB device cable, and connect the Type B connector
to the Relio R9. Connect Type A connector into the host PC.
(See Figure 41.)
Figure 41-
TR123 tinned leads and Type B USB connector
In Microsoft Windows 7, the device is recognized as a GPS camera and will typically enumerate as a COM
port. Check the device manager to determine the COM# associated with the device. If prompted with the
New Hardware wizard or the device is not recognized, then install the driver using the following steps (XP
menus shown, but Vista is similar). In the Found New Hardware Wizard, specify "Install from a list or specific
location" and click Next. (See Figure 42.)
Figure 42-
Found New Hardware Wizard