HP Vectra XE320 hp vectra xe320, technical reference manual - Page 24

System Features Features of the DVD-ROM Drive (16X/40X) Description Supported formats - CD-ROM Mode-1 data disc - CD-ROM Mode-2 data disc (Mode 1 and Mode 2) - Photo-CD Singlesession and Multisession - CD Audio disc - Video CD - Mixed mode CD-ROM disc (data and audio) - CD-ROM XA - CD-I - CD-Extra - CD-R - CD-RW - CD Text - DVD-ROM - DVD+ RW - DVD-R - DVD-RW Disc Diameter 120mm Storage Capacity 656MB to 18GB (depending on disk type) Read Mode 16X max (DVD), 40X max CD-ROM Burst Transfer Rate PIO mode 4: 16.6MB/s maximum Single Word DMA Mode 2: 8.3MB/s maximum Multi Word DMA Mode 2: 16.6MB/s maximum Ultra DMA 33: 33.3MB/s maximum Access Time CDs - Average Random Access Time: 90ms (typical) Full Stroke Access Time: 160ms (typical) DVDs - Average Random Access Time: 120ms (typical) Full Stroke Access Time: 180ms (typical) Buffer Memory Size 512KB Rotational speed Approx. 7,300 rpm maximum NOTE If a disk is still in the drive after power failure or drive failure, the disk can be reclaimed by inserting a straightened paper-clip into the small hole at the bottom of the door. 24 XE320 product description