NEC POWERMATE PROFESSIONAL - SERVICE MANUAL 09-1997 Service Manual page 12

1-8 Specifications
Table 1-6 Lite-on 24X CD-ROM Reader Specifications
Feature
Temperature
Humidity
Altitude
Physical Dimensions
Table 1-7 Lucky Goldstar 24X CD-ROM Reader Specifications
Feature
CD-ROM Reader
Performance
Data Transfer Rate
(Sustained)
Data Transfer Rate/Burst
(ATAPI)
Disc format
Data Capacity (Yellow Book)
(User Data/Block)
Rotational Speed
Average Access Time
1/3 Stroke
Full Stroke
Random Access
Data Buffer Capacity
Specification
Operating: 5 to 45
non-operating: -20 to 60
Operating: 20% to 80% (non-condensing)
non-operating: 20% to 90% (non-condensing)
Operating: -61 to 3,048 meters
Non-operating: -61 to 12,192 meters
H x W x L: 41.5 x 146 x 191 mm max
Weight: 1.1Kg typical
Specification
LG Electronics CD-ROM reader CRD-8240B
1X : 150 Kbytes/sec
24X (max): 3,600 Kbytes/sec
16.67 Mbytes/sec (PIO mode 4)
16.67 Mbytes/sec (MULTI-DMA mode 2)
Mixed Mode (Audio and Data Combined)
CD-DA, Mode1 (basic format), Mode2 (form1 and form2)
Photo-CD (Multisession), CD-XA Ready
CD-I Ready, CD-Plus
2,048 bytes/block (Mode1 and Mode 2, form1)
2,340, 2336 bytes/block (Mode2)
2,324 bytes/block (Mode 2, form2)
2,352 bytes/block (CD-DA)
1X (CLV): Approximately 200 to 530 rpm
10X ~ 24X (CAV): Approximately 5000 rpm
90 ms typical (max 24X)
110 ms typical (max 24X) including latency
160 ms typical (max 24X)
180 ms typical (max 24X) including latency
90 ms typical (max 24X)
110 ms typical (max 24X) including latency
128 Kbytes