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Board Hardware
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
Table 2-20: PS/2 Keyboard and Mouse
KDAT
KCLK
MDAT
MCLK
KVCC, MVCC
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
AM29F040B (U4) Flash Memory device. Please review the ALi M1535D+ and AM29F040B
Data sheets, located on the ML310 CDROM, for more detailed information.
Table 2-21: ALi M1535 Flash Memory Interface
Schem Net Name
ROM_WE_N
ROM_OE_N
ROM_D7
ROM_D6
ROM_D5
ROM_D4
ROM_D3
ROM_D2
ROM_D1
ROM_D0
ML310 User Guide
UG068 (v1.01) August 25, 2004
shows the PS/2 keyboard and mouse connections to the P2 connector assembly.
Signal Name
Connector (P2)
1
5
7
11
4, 10
shows the connections between the ALi M1535D+ (U15) ROM signals to the
M1535D+
(U15)
U14
T14
W19
Y19
V20
W20
Y20
U18
U19
U20
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Description
Keyboard Data
Keyboard Clock
Mouse Data
Mouse Clock
Fuse protected power to Keyboard and Mouse
AM29F040B
(U4)
7
Active Low Write Enable
32
Active Low Output Enable
29
28
27
26
Flash Data
25
23
22
21
R
Description
47
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