Acer TravelMate 280 TravelMate 230/280 Service Guide - Page 32

Audio Interface Item Supports PnP DMA channel Supports PnP IRQ Video Interface Item Vendor & Model Name Chip voltage Supports ZV (Zoomed Video) port Graph interface Maximum resolution (LCD) Maximum resolution (CRT) DMA channel 0 DMA channel 1 IRQ10, IRQ11 Specification Specification Intel 845GL Core / 2.5V, 1.5V, 1.8V NO 4X AGP (Accelerated Graphic Port) Bus 1024 x768 (32bit colors) 1024x768 (32 bit colors) 1280x1024 (32 bit colors) 1600x1200 (32 bit colors) Video Memory Item Fixed or upgradeable Video memory size Specification Fixed, share the system memory 8MB Video Resolutions Mode Resolution 640x480x256 640x480x64K 640x480x16M 800x600x256 800x600x64K 1024x768x256 CRT Only 90 90 90 90 90 90 Refresh Rate LCD/CRT Simultaneous 60 60 60 60 60 60 Parallel Port Item Parallel port controller Number of parallel port Location Connector type Parallel port function control Supports ECP/EPP Optional ECP DMA channel (in BIOS Setup) Optional parallel port I/O address (in BIOS Setup) Optional parallel port IRQ (in BIOS Setup) Specification LPC47N227 1 Rear side 25-pin D-type Enable/Disable by BIOS Setup Yes (set by BIOS setup) DMA channel 1 and 3 378, 278, 3BC IRQ7, IRQ5 24 TravelMate 230/ 280