Acer 61X User Manual
Major Chips Description
2-13
Table 2-2
M1521 Signal Descriptions (continued)
Signal
Pin
Type
Description
UMA Interface
MGNTJ/
GNTJ[4]
GNTJ[4]
F7
O
Memory Grant. This output connects to the MGNTJ
of the GUI device. This pin can also be used as
grant signal of the fifth PCI master.
of the GUI device. This pin can also be used as
grant signal of the fifth PCI master.
PRIO
G15
I
Priority. The high priority request from the GUI
device.
device.
Power Pins
VCC
F5, F6, G6, R6, R7,
F14, F15, P15, R15,
R16
F14, F15, P15, R15,
R16
P
Vcc 3.3V
VDD_5
E14
P
Vcc 5.0V
Vss or Gnd
E15, T16, J9, J10, J11,
J12, K9, K10, K11,
K12, L9, L10, L11, L12,
M9, M10, M11, M12
J12, K9, K10, K11,
K12, L9, L10, L11, L12,
M9, M10, M11, M12
P
Ground