LSI SYM8953U Manual do Utilizador descarregar pdf (Página 13)

3.75 pc 10.25 pc 11.25 pc 38.25 pc

4.333 pc

48.583 pc

52.5 pc

34.5 pc

44.25 pc

Interface Descriptions 1-3

• Contains external 68-pin High Density (HD) and internal 68-pin HD

latching connectors

• Performs wide Ultra2 SCSI LVD synchronous transfers up to

80 Mbytes/s

• Supports SCSI synchronous offset up to 31

• Provides SCSI termination power (TERMPWR) source with

autoresetting circuit protection device

• Supports SCSI Configured AutoMatically (SCAM) Level 1 Capability

(Set “OFF” by default)

• Utilizes flash ROM for BIOS storage for up to 256 Kbytes

• Supports variable block size and scatter/gather data transfers

• Performs complex SCSI bus sequences without interrupts, including

restore data pointers

• Has serial EEPROM for user configuration utility

• Has SCSI bus activity LED connector and on-board LED

1.2.3 Board Characteristics

• PCI board dimensions,

152.4 x 88.90 mm (6.00 x 3.5 inches)

• PCI Universal 32-bit card edge connector

• HD 68-pin external connector

• HD 68-pin internal connector

A mechanical drawing showing board dimensions and component layout

is located in Appendix A, “Technical Specifications”.

1.3 Interface Descriptions

This section provides a more detailed explanation about the PCI

Interface, the SCSI Interface, Ultra2 SCSI Technology, and LVD Link™

Technology.

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LSI SYM8953U Manual do Utilizador Página 13