OD-A017-02
TOSHIBA DVD-RAM SD-W1111 ‘99/06/26 Version 1.0
Page 24 Product Specification
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
Pin No. Functions Setting at shipping
1SCSI ID1 (LSB) Open
2SCSI ID2 Open
3SCSI ID4 (MSB) Short
4PARITY CHECK Open
5VERIFY Open
6ONE LUN/TWO LUN Open
7Reserved Open
8Termination 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

l Verify setting function is effective to WRITE command only.
l 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.
Pin No. 12345678
Interface
Connector
Mode Select Headers
CD Audio
Connector