![background image](http://html.mh-extra.com/html/acer/aspire-3300/aspire-3300_service-manual_5852041.webp)
Chapter 2
33
IRQ
This function lets you assign an interrupt for the serial port. The options are IRQ
4
and
3
.
NOTE The Base Address and IRQ parameters are configurable only if the Serial
Port parameter is enabled.
Parallel Port
This parameter allows you to enable or disable the parallel port.
Base Address
This function lets you set a logical base address for the parallel port. The
options are:
❑
378h
❑
278h
IRQ
This function lets you assign an interrupt for the parallel port. The options are
IRQ
5
and
7
.
NOTE The Base Address and IRQ parameters are configurable only if the
Parallel Port is enabled.
If you install an add-on card that has a parallel port whose address
conflicts with the parallel port on board, a warning message appears on
the screen.
Check the parallel port address on the add-on card and change the
address to one that does not conflict.
Operation Mode
This item allows you to set the operation mode of the parallel port. Following
table lists the different operation modes.
Setting
Function
Standard Parallel Port (SPP)
Allows normal speed one-way operation
Standard and Bidirectional
Allows normal speed operation in a two-
way mode
Enhanced Parallel Port (EPP)
Allows bidirectional parallel port operation
at maximum speed
Extended Capabilities Port (ECP)
Allows parallel port to operate in
bidirectional mode and at a speed higher
than the maximum data transfer rate
Содержание Aspire 3300
Страница 70: ...62 Removal and Replacement 3 Remove the CPU ...
Страница 71: ...Chapter 3 63 Removing a Daughterboard 1 Remove two screws from the daughterboard 2 Pull up the daughterboard ...
Страница 72: ...64 Removal and Replacement ...
Страница 78: ...70 Troubleshooting ...
Страница 79: ...Chapter 5 Chapter 5 71 Jumper and Connector Information ...
Страница 92: ...84 FRU Field Replaceable Unit List ...
Страница 94: ...86 Model Number and Configurations ...
Страница 104: ...96 Test Compatible Components List ...
Страница 106: ...98 Online Support Information ...