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Chapter3
ZM6
ä
IrDA (HPSIR) mode.
ä
ASK IR (Amplitude Shift Keyed IR) mode.
ä
Disabled.
/
RxD , TxD Active:
Set IR transmission/reception polarity as High or Low.
/
IR Transmission Delay:
Set IR transmission delays 4 character-time(40 bit-time) when SIR is changed from RX
mode to TX mode.
Onboard Parallel Port:
Sets the I/O address and IRQ of the onboard parallel port. Four options are available:
Disable, 3BCh/IRQ7, 278h/IRQ5 and 378h/IRQ7. Default is 378h/IRQ7.
/
Parallel Port Mode:
Can be set as ECP, EPP, ECP+EPP, or Normal (SPP) mode. Default is Normal (SPP)
mode.
/
ECP Mode Use DMA:
When the mode selected for the onboard parallel port is ECP, the DMA channel selected
can be Channel 1 or Channel 3.
/
EPP Mode Select:
When the mode selected for the onboard parallel port is EPP, two EPP version options
are available: EPP1.7 and EPP1.9.
Summary of Contents for ZM6
Page 2: ......
Page 4: ......
Page 10: ...1 6 Chapter1 ZM6 1 4 The System Block Diagram Figure 1 3 System diagram of the 440ZX chipset...
Page 28: ...2 18 Chapter2 ZM6...
Page 66: ...3 38 Chapter3 ZM6...
Page 76: ...B 6 Appendix B ZM6...
Page 86: ...D 6 Appendix D ZM6...