Hardware Reference
32
PS/2 mouse and keyboard
With the Winbond® W83627DHG Super I/O controller, the Q35 motherboards support the PS/
2 keyboard and mouse interfaces on the rear I/O panel.
Mouse and keyboard features include:
8042-based keyboard controller with support for PS/2 mouse and keyboard
Fast Gate A20 and hardware keyboard reset
User options for the clock frequency of 6, 8, 12, and 16MHz via the BIOS setup utility
configuration.
Super I/O
The Winbond W83627EHG Super I/O controllers is capable of supporting a wide range of I/O
functions with the LPC (Low Pin Count) interface. The Q35 motherboards support the following
legacy devices via this super I/O chip:
UART ports (page 31)
PS/2 mouse and keyboard (page 32)
Note: Though the W83627EHG super I/O chip is capable of supporting 40 GPIO lines by itself,
these GPIO lines are unavailable on the Q35 motherboards.
Expansion interfaces
IDE
The Q35 motherboard provide a standrd IDE connector to support IDE hard disks and ATAPI
devices via the ICH9‘s PCI controller.
PCI
PCI slots are compliant with the PCI Local Bus Specification Version 2.3. The PL35Q
motherboard has one 32-bit, 33MHz, 3.3V PCI slot.
PCI Express
All PCI Express interfaces on the PL35Q motherboard are compliant with the PCI Express Base
Specification Version 1.1.
One PCI Express x16 graphics interface
One PCI Express x4 interface
One PCI Express x1 interface.
To Next Page
Loading...
