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PRODUCT INFORMATION BULLETIN No. PB _ _ _ _ _ _ _ _-0198
Page 3 of 5
Pioneer New Media Technologies, Inc., Engineering Support (310) 952-2111
The Modes are set as described in the table below (factory default is Mode 0):
Mode Bit 4 Bit 5 Name Description
0 OFF OFF Rewritable Read and write operations are enabled only with ISO
standard (sampled servo format) rewritable disks. Read and
write operations with WORM disks are disabled. (DE-
C7001)
1 ON OFF WORM Read and write operations are enabled only with ISO
standard (sampled servo (SS) format WORM disks. Read
and write operations with rewritable disks are disabled.
SCSI specifications are same as that of DD-5101 series
except DE-SH7101 enables RDBC (Read Blank Check) as
default. (DD-C5001)
2 OFF ON SCSI-2 Read and write operations are enabled with both ISO
standard (sampled servo (SS) format) rewritable and
WORM disks. SCSI specifications are based on SCSI-2.
(DE-C7101)
IMPORTANT: Because Mode 2 supports both WORM and MO type media as well as SCSI-2
command set, it is recommended that the user use the drive in Mode 2.
The 7101 series has a dual-color BUSY LED. The meaning of the light indications of the LED is listed in
the table below.
Drive Status Rewritable Mode WORM Mode
no disk inserted flashing green flashing yellow
MO disk present dim flashing yellow
WORM media present flashing green dim
BUSY steady green steady yellow
overheat orange orange
Note: The two colors of the LED are yellow and green. When both colors are lit, the result is orange.
DE-SH9101
The DE-SH9101 is a half-height external multifunction optical disk drive subsystem that can handle large
capacity (1.7 GB) utilizing the sampled servo format Multiplexed Address Sampled Servo (MASS).
MASS is a high density data recording system.