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3 lsi22903 host adapter, Figure3.3 lsi22903 mechanical drawing, Lsi22903 host adapter – LSI Ultra160 User Manual

Page 33: Lsi22903 mechanical drawing

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Host Adapter Characteristics

3-5

3.2.3

LSI22903 Host Adapter

The LSI Logic LSI22903 PCI to Dual Channel Ultra160 SCSI Low Profile
PCI Host Adapter (

Figure 3.3)

provides two independent Ultra160 SCSI

channels. The LSI22903 board is a LPPCI board with a low profile
bracket. The SCSI interface is made through connector J2 for channel A
and J4 for channel B.

The LSI22903 has these features:

Two independent Ultra160 SCSI channels

Two connectors

One external 68-pin VHDCI connection

One internal 68-pin high density connection

LVD/SE termination for external Channel A

LVD termination for internal Channel B

Figure 3.3

LSI22903 Mechanical Drawing

Note:

J1: PCI 64-bit, universal type board edge connector.

J2: 68-pin very high density external connector for channel A.

J4: 68-pin high density internal connector for channel B.

J3: 4-pin low density unshrouded right-angle LED connector.

Subsystem Vendor ID is 1000.

Subsystem ID is 1020.

J1T - PCI

LSI53C1010

J2
Channel A

J3 LED

Ultra160 SCSI LVD/SE

J4
Channel B
Ultra160 SCSI LVD only