This is all expected given its age. Window XP Tablet edition had been freshly installed. I reinstalled the OS via USB CD drive so the bios allows for USB 2.0 compatibility for booting. The keyboard and touch point work.
HP Compaq Tablet PC TC1100 - Pentium M 753/1.2 GHz ULV - Centrino - RAM 512 MB - HDD 60 GB - GF4 420 Go - WLAN : 802.11b/g, Bluetooth - Win XP Tablet PC 2005-10.4" TFT 1024 x 768 (XGA)
HP Compaq Tablet PC TC1100 - Pentium M 1 GHz ULV - Centrino - RAM 512 MB - HDD 40 GB - GF4 420 Go - WLAN : Bluetooth, 802.11b - Win XP Tablet PC - 10.4" TFT 1024 x 768 ( XGA )
HP Compaq PC875A#ABA Keyboard for Tablet PC TC1000 TC1100 (310681-001)
Jack for Laptops C25 (4.0 mm x 1.7 mm) for HP/Compaq
Micro USB Tablet Charging Cable for HP Pro Tablet 10 (EE G1) 1.2m UK Plug
Tablet Charger for HP Pro Tablet 608 G1 1,2m Cable w/ UK Plug