Parallel Port Addresses; Refresh Rates And Monitor Frequencies; Cmos Reset - IBM Aptiva Hardware Maintenance Manual

Parallel Port Addresses

The built-in parallel port supports these addresses and interrupts.
Table 1- 7 Parallel Port Addresses Table
Address Interrupt
378 IRQ 7
3BC IRQ 7
278 IRQ 5

Refresh Rates and Monitor Frequencies

The following table lists the maximum vertical refresh rates supported by the
system's ATI 3D Rage II+ and 3D Rage Pro AGP video controller.
IMPORTANT: The maximum refresh rate set for each resolution should be
within the monitor's vertical frequency specification. Refer to the
service manual provided with your monitor.
Table 1- 8 On-board Video Controller
Maximum Vertical Refresh Rate
Resolution →
640x480
Color ↓
256 100 Hz.
64,000 100 Hz.
16,000,000 100 Hz.

CMOS Reset

This system does not deny access to the BIOS Setup Utility. Execute "Load
BIOS Default Settings" in BIOS Setup to clear the corrupted CMOS data. See
"Loading the Default Settings" on page 1-19.
1-14
Default
Audio
800x600 1024x768
100 Hz. 100 Hz.
100 Hz. --
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