HP Surestore 80fx Optical Drive and Library SCSI-2 Command Reference - Page 74

Table 2-32 NOTE SCSI-2 Drive Command Set Mode Select Command (15H) Caching Page 08H The caching parameters table defines the parameters that affect the use of the cache. Caching Page 08H Byte 7 6 5 4 3 2 1 0 0 Reserved (0) Page Code (08H) 1 Page Length (0AH) 2 Reserved (0) WCE MF RCD 3 Reserved (0) 4 Disable Pre-fetch Transfer Length (MSByte) 5 Disable Pre-fetch Transfer Length (LSByte) 6 Minimum Pre-fetch (MSByte) 7 Minimum Pre-fetch (LSByte) 8 Maximum Pre-fetch (MSByte) 9 Maximum Pre-fetch (LSByte) 10 Maximum Pre-fetch Ceiling (MSByte) 11 Maximum Pre-fetch Ceiling (LSByte) With write caching enabled, data integrity of the information in the buffer is not guaranteed through power cycling. WCE RCD A Write Cache Enable bit of 1 indicates write caching is enabled. A Write Cache Enable bit of 0 indicates write caching is disabled. A Read Cache Disable bit of 1 indicates read ahead is disabled. A Read Cache Disable bit of 0 indicates read ahead is enabled. Chapter 2 2-37 SCSI-2 Drive Commands