TECHNICAL
INFORMATION
__________________________________
4-5
SYSTEM TIMERS
Panther-II has three build-in programmable timer/counters
defined as channels 0 through 2 :
Channel 0
System Timer
Gate 0
Tied on
Clk in 0
1.190 Mhz OSC
Clk out 0
8259 IRQ 0
Channel 1
Refresh Request
Generator
Gate 1
Tied on
Clk in 1
1.190 Mhz OSC
Clk out 1
Request Refresh Cycle
Channel 2
Tone Generation of
Speaker
Gate 2
Controlled by bit 0 of
port hex 61 PPI bit
Clk in 2
1.190 Mhz OSC
Clk out 2
Used to drive the
speaker
Summary of Contents for Panther II
Page 1: ...P A N T H E R I I ...
Page 8: ......
Page 11: ...INTRODUCTION __________________________________ 1 3 THIS PAGE IS INTENTIONALLY LEFT BLANK ...
Page 12: ......
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Page 26: ...INSTALLING COMPONENTS __________________________________ 3 2 ...
Page 31: ...INSTALLING COMPONENTS __________________________________ 3 7 RAM Module Orientation ...
Page 40: ...4 2 ...
Page 47: ...TECHNICAL INFORMATION __________________________________ 4 9 ...
Page 60: ......
Page 68: ...AMI System BIOS __________________________________ A 8 ...
Page 74: ...AMI System BIOS __________________________________ A 12 ...
Page 85: ...AMI System BIOS __________________________________ A 21 ...
Page 88: ...AMI System BIOS __________________________________ A 22 ...
Page 93: ...AMI System BIOS __________________________________ A 25 ...
Page 96: ...AMI System BIOS __________________________________ A 26 ...
Page 101: ...C 1 Appendix C System Board Layout _______________________________ ...
Page 102: ...C 2 ...