Sony PCV-RX480DS - Manual (Page 71)

System Board 57
PCI Slots
There are a total of three PCI slots (slot No. 1 to No. 3).
In all models, PCI slot No. 1 is occupied by the fax/modem card. Your
modem may look different depending on whether it is a Lucent modem
or an HPNA modem.
In models PCV-RX462DS/PCV-RX463DS/PCV-RX465DS/
PCV-RX470DS/PCV-RX480DS, PCI slot No. 2 and No. 3 are available for
expansion.
In model PCV-RX490TV, PCI slot No. 3 is available for expansion; a Giga
Pocket card occupies PCI slot No. 2.
The PCI slots support 32-bit 5 V and Universal (3.3/5 V) PCI add-in cards.
Slot No. 3 (PCI)
Slot No. 2 (PCI)
Slot No. 1 (PCI)
A1
B1
A49 A52 A62
B49 B52 B62