Product specifications

VT8237R Data Sheet
Revision 2.06 December 15, 2004 -102- Device 17 Function 0 Bus Control Registers
Function Control
Offset 50 – Function Control 1 (00h)...............................RW
7 Device 17 Function 6 MC97
0 Enable ....................................................default
1 Disable
6 Device 17 Function 5 AC97
0 Enable ....................................................default
1 Disable
5 Device 16 Function 1 USB 1.1 UHCI Ports 2-3
0 Enable ....................................................default
1 Disable
4 Device 16 Function 0 USB 1.1 UHCI Ports 0-1
0 Enable ....................................................default
1 Disable
3 Device 15 Function 0 Serial ATA
0 Enable ....................................................default
1 Disable
2 Device 16 Function 2 USB 1.1 UHCI Ports 4-5
0 Enable ....................................................default
1 Disable
1 Device 16 Function 4 USB 2.0 EHCI
0 Enable ....................................................default
1 Disable
0 Device 16 Function 3 USB 1.1 UHCI Ports 6-7
0 Enable ....................................................default
1 Disable
Offset 51 – Function Control 2 (0Ch) ............................. RW
7 USB Device Mode
0 Enable.................................................... default
1 Disable
6 Reserved ........................................always reads 0
5 Internal LAN Controller Clock Gating
When bit-4 of this register is disabled, the LAN
function is disabled but the LAN controller clock is
not gated automatically. This bit controls whether
the clock is actually gated.
0 Disable................................................... default
1 Enable
4 Internal LAN Controller
0 Disable................................................... default
1 Enable
3 Internal RTC
0 Disable
1 Enable................................................... default
2 Internal PS2 Mouse
0 Disable
1 Enable................................................... default
1 Internal KBC Configuration
0 Disable ports 2E / 2F offsets E0-EF ...... default
1 Enable ports 2E / 2F offsets E0-EF
0 Internal Keyboard Controller
0 Disable................................................... default
1 Enable