Toshiba SD-W1111 Mode select headers functions, Scsi ID setting, Parity check setting

OD-A017-02

TOSHIBA DVD-RAM SD-W1111 ‘99/06/26 Version 1.0

12.3 Mode select headers functions

By inserting the jumper wire to the mode select headers , each kind of operation mode is made.

Mode select headers:2.54-mm pitch

Mode Select Headers

CD Audio

Connector

Pin No. 1 2 3 4 5 6 7 8

Interface Connector

Pin No.	Functions	Setting at shipping
1	SCSI ID1 (LSB)	Open
2	SCSI ID2	Open
3	SCSI ID4 (MSB)	Short
4	PARITY CHECK	Open
5	VERIFY	Open
6	ONE LUN/TWO LUN	Open
7	Reserved	Open
8	Termination	Open

12.3.1 SCSI ID setting

Pin 1	Pin 2	Pin 3	Pin 4
ID1	ID2	ID3	ID4
Open	Open	Open	0
Short	Open	Open	1
Open	Short	Open	2
Short	Short	Open	3
Open	Open	Short	4
Short	Open	Short	5
Open	Short	Short	6
Short	Short	Short	7

12.3.2 Parity check setting

Pin 4	Functions
Open	Data parity check enable.
Short	Data parity check disable.

12.3.3 VERIFY setting

•Verify setting function is effective to WRITE command only.

•The RAM disc re-inserted into TYPE-2 case is verified ,even if the pin5 is shorted.

Pin 5	Functions
Open	The drive verifies the written data, on the media
	after the write operation. Writing speed is lower,
	but data reliability is better.
Short	The drive does not verify the written data after the
	write operation. The drive cannot detect the
	defect on the media, but Writing speed is higher.

Page 24 Product Specification