Table 3.10 CD-ROM system specifications

	Item	Finish	Remarks
1	G / A register width	16 bits
2	seek time	400 msec (1/3 Access time, double speed rotation time)
3	Rotation speed	Normal: 620 to 1680 rpm Double speed: 1240-3360rpm
4	CD read speed	Normal speed: 75 sectors / sec = 150KB / sec Double speed: 150 sectors / sec = 300KB / sec
5	Tray opening / closing method	Top loading
6	Memory capacity	RAM 512KB (for CD buffer) ) ROM 64KB (for BIOS) RAM512KB (for MPEG)
7	Data transfer rate	Up to 8MB / sec, Up to 4MB / sec during MPEG operation
8	LED	Blinks depending on CD operating status

Table 3.11 CD drive specifications

	items	specifications	Remarks
1	CD playback	Track / index specific playback Frame address (corresponding to absolute time) specified playback Playback restart (pause release, pickup movement control) Repeat playback CD-DA and CD-ROM can be controlled with commands in the same format Scan playback Subcode acquisition
2	Other	Multisession support Emphasis Correspondence Decoding and error correction corresponding to CD-ROM XA (subheader recognition, ECC processing, read retry processing)