VPI & VCI Parameters: VPI=0 VCI=38
Multiplexing method: VC-Based
Host & Domain names: haven't heard of these being required
ISP DNS addresses: normally assigned automatically by the ISP via DHCP. However Virgin's DNS server addresses are 126.96.36.199 and 188.8.131.52
Fixed or static IP address: You would normally have a "dynamic" IP address allocated by the ISP each time you connect.
PPPoE or PPPoA: ADSL in the UK uses PPPoA