Xilinx ML310 - Manual (Page 47)

ML310 User Guide www.xilinx.com 47
UG068 (v1.01) August 25, 2004 1-800-255-7778
Board Hardware R
PS/2 Keyboard/Mouse Interface, connector P2
The ALi M1535D+ has a built-in PS2/AT Keyboard and PS/2 Mouse controller. The PS/2
Keyboard and Mouse ports are connected to the ALi M1535D+ via standard DIN
connectors contained in the P2 connector assembly. In the event of a short circuit by the
keyboard or mouse device, the 5V power provided to these devices is fuse protected by a
resettable fuse, F1. Please review the ALi M1535D+ Data sheets for more detailed
information.
Table 2-20 shows the PS/2 keyboard and mouse connections to the P2 connector assembly.
Flash ROM, U4
The ALi South Bridge supports 4 Mbit Flash memory interface. The ML310 provides
connectivity to an AM29F040B 4-Megabit (512 K x 8-Bit) Flash (U4) via the ALi M1535D+
ROM interface. Please review the ALi M1535D+ Data sheets for more detailed information.
Table 2-21 shows the connections between the ALi M1535D+ (U15) ROM signals to the
AM29F040B (U4) Flash Memory device. Please review the ALi M1535D+ and AM29F040B
Data sheets, located on the ML310 CDROM, for more detailed information.
Table 2-20: PS/2 Keyboard and Mouse
Signal Name Connector (P2) Description
KDAT 1 Keyboard Data
KCLK 5 Keyboard Clock
MDAT 7 Mouse Data
MCLK 11 Mouse Clock
KVCC, MVCC 4, 10 Fuse protected power to Keyboard and Mouse
Table 2-21: ALi M1535 Flash Memory Interface
Schem Net Name
M1535D+
(U15)
AM29F040B
(U4)
Description
ROM_WE_N U14 7 Active Low Write Enable
ROM_OE_N T14 32 Active Low Output Enable
ROM_D7 W19 29
Flash Data
ROM_D6 Y19 28
ROM_D5 V20 27
ROM_D4 W20 26
ROM_D3 Y20 25
ROM_D2 U18 23
ROM_D1 U19 22
ROM_D0 U20 21