Chip seems to be an ALPS UGXZ2 (Z2-509A).
This piece is found in the registry in PocketPC. Interesting point: IoBase = 0xAFE00700
(HimalayaMemoryMap 2nd-level.txt shows the physical address for 0xafe00000 to be 41e00000). Doesn't look good.
[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\ASIC5_BTUR] "Dll"="ASIC5_BTUR.Dll" "Tsp"="Unimodem.dll" "IoBase"=dword:afe00700 "Irq"=dword:00000022 "IoLen"=dword:00000024 "DeviceArrayIndex"=dword:00000000 "Prefix"="COM" "Order"=dword:00000002 "Index"=dword:00000006 "DeviceType"=dword:00000000 "FriendlyName"="BT on COM6:"
Running hcitool gives additional information on the manufacturer http://www.csrsupport.com/ and capabillities:
Requesting information ... BD Address: 00:02:xx:xx:xx:xx Device Name: MDA II LMP Version: 1.1 (0x1) LMP Subversion: 0x1e7 Manufacturer: Cambridge Silicon Radio (10) Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00 <3-slot packets> <5-slot packets> <encryption> <slot offset> <timing accuracy> <role switch> <hold mode> <sniff mode> <park state> <RSSI> <channel quality> <SCO link> <HV2 packets> <HV3 packets> <u-law log> <A-law log> <CVSD> <paging scheme> <power control> <transparent SCO>