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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
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
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. 1 2 3 4 5 6 7 8
Interface
Connector
Mode Select Headers
CD Audio
Connector