Solving Technical Problems

Problem

Meaning / Solution

Technical Specifications

SAMSUNG continually strives to improve its products. Both the design specifications and these user instructions are thus subject to change without notice.

The COMBO drive is not detected by the computer.

After installing the COMBO drive, the PC gets slower.

Check that the power, audio and IDE cables are correctly connected to the computer.

Change the IDE cable and reconnect it to the computer. Preferably, connect a second IDE cable to the COMBO drive in master mode; see page 7 for further details.

Check the position of the jumper in the master/slave select terminal.

Item

CD-RW

DVD / CD

 

Disc types supported

DVD-ROM, DVD-VIDEO, CD-DA (Audio), CD-ROM, CD-ROM XA,

 

CD-Plus, CD-Extra, Photo-CD (Single, Multi-session), Video CD

Disc

ready, Enhanced CD, CD-I/FMV, CD-R, CD-RW, CD-TEXT

 

 

 

 

 

Erasing disc types

CD-RW

 

The COMBO drive is not

Reinstall the device driver or update it with the latest

recognized by MS-DOS.

version by downloading it from the Samsung Web site.

 

 

 

 

The COMBO drive is not

This case may occur when there is a Windows

detected by Windows.

installation problem; reinstall Windows.

 

 

 

No sound is heard from an

Check whether the audio cable is correctly connected

audio CD.

to the sound output terminal on the COMBO drive and

 

the sound card CD-IN terminal.

 

Check that the sound card is operational.

 

Adjust the volume control.

 

A CD is not read or is read too

Install the latest version of the device driver.

slowly.

Check whether the CD is of good quality and clean it,

 

if necessary.

 

 

 

The disc compartment will not

Check that the power cable is correctly connected.

open.

Power off and disconnect the PC. Insert a pin or

 

 

unfolded paper clip in the emergency hole and push

 

firmly until the disc compartment opens.

 

 

 

When the MPEG software plays

Adjust the size of the replay screen.

a Video CD, the pictures are not

After checking the display resolution, adjust it, if

regular and the running speed is

necessary.

too slow.

 

 

 

 

 

The Disc is not in message is

The computer may not recognize the disc if you start

displayed even though a disc

playback too quickly after inserting the disc.

has been inserted.

Open and close the disc compartment and try again.

 

Clean the disc and try again.

 

 

 

The COMBO drive is not

The interface mode of the sound card is AT-BUS.

detected after it is connected to

You must therefore connect the COMBO drive to the

a sound card.

IDE port on the PC mother board, rather than to the

 

sound card, or install an IDE-compatible sound card.

 

 

 

14

 

 

Disc diameter

12 cm or 8 cm

 

 

 

 

CD-R: Max.1200 KB/sec (8X)

Sustained:

 

 

 

Max. 600 KB/sec (4X)

 

Max. 10800 KB/sec (8X)

 

 

Data transfer rate

CD-RW: Max. 600 KB/sec (4X)

 

Max. 4800 KB/sec (32X)

 

 

 

 

 

 

 

 

PIO mode 4:16.6 MB/sec, DVD: 8X / CD, CD-R: 32X

 

 

 

Multiword DMA mode2: 16.6 MB/sec

 

 

 

 

 

 

Drive

 

Access time (1/3 stroke)

120 ms

 

130 ms / 110 ms

Performance

 

Data buffer capacity

2 048 KB

 

 

 

 

 

 

 

 

 

 

 

 

Laser

Semiconductor laser

 

 

 

 

 

 

 

 

 

Slide mechanism

Stepping motor

 

 

 

 

 

 

 

 

 

Spindle motor

Brushless motor

 

 

 

 

 

 

 

 

Load mechanism

Tray. DC motor (Soft Eject). Horizontal/Vertical.

 

 

 

 

 

 

 

 

Error rate

Mode 1:10-12, Mode 2:10-9

 

 

 

 

 

 

 

 

 

Eject button

Auto eject or Auto inject

 

 

 

 

 

 

 

Front Panel

 

Indicator (LED)

BUSY

 

 

 

 

 

 

 

Headphone output

Stereo mini-jack (Ø 3.6 mm)

0.60±20% (vrms) 33

 

 

 

 

 

 

 

 

 

 

Volume control

Dial type

 

 

 

 

 

 

 

 

Required power

+5 VDC: 2.5 A (max.), +12 VDC: 1.5 A (max.)

 

 

 

 

 

 

Rear Panel

 

Interface connector

ATAPI BUS (IDE)

 

 

 

 

 

 

 

Audio output

Line out 0.70 ± 20% (vrms): 47 K

 

 

 

 

 

 

 

 

 

 

Jumper block

Device configuration jumper

 

 

 

 

 

 

 

Operating

 

Operations

Temperature: 5~45°C

Humidity: 10~80%

Environment

 

Storage

Temperature: -25~55°C

Humidity: 10~90%

 

 

 

 

 

 

 

General

 

Dimensions

149 (W) x 42 (H) x 200 (D) mm (including bezel)

 

 

 

 

 

 

Net weight

860 g (drive only)

 

 

 

 

 

 

 

 

 

 

Reliability

 

MTBF

125 000 POH (20% duty)

 

15

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Samsung SM-308 manual Solving Technical Problems, Technical Specifications