The first step in this process is going to be getting root access. I have to get access to the tablet via USB. The PlayBase works a a USB storage device if you plug it in to a PC, but there is also an ADB (Android Debug Bridge) port on the tablet that XP doesn't find drivers for auto-magically. A quick look in device manager and a search on the PID revealed that the HTC Dream uses the same PID. One quick download and a little editing and I now have
Here's a link to the modified drivers: PlayBase ASB USB Win32 (4shared.com)
(Hopefully) more to come!
Added 3-31-12: It looks like the PB is already rooted (# command prompt in the ADB terminal instead of a $). Now I just have to figure out how to get into recovery mode so I can get an updated su and superuser on it. The chip is made by Rockchip- it's an RK2918.