Board Layout For The Aha-2744W - Adaptec AHA-2740W User Manual

Figure 1-1 shows the location of the major components on the
AHA-2744W; the table below provides a description of each
component.
J1 J2 J3
Pin 1
U35 U21
Figure 1-2. Board Layout for the AHA-2744W
Location Description
J1 Floppy Enable Jumper
J2 External LED Connector
J3 Floppy Connector
J4 16-bit Wide Differential SCSI Channel Internal Connector
J5 8-bit Differential SCSI Channel Internal Connector
J6 16-bit Wide SCSI Channel External Connector
U7 Floppy Controller
U21 RAM
U33 AIC-7770 Bus Master SCSI Chip
U34 AIC-701 Configuration Chip
U35 Host Adapter BIOS
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A
A A
AHA-2740W/2742W/2744W User's Guide
A A
A A Stock Number: 510647-00, Rev. A
A
A A Print Spec Number: 492897-00
A A
Current Date: 8/3/94
AAAA AAAA A A AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA
AAAA
J4 J5
Pin 1
U7 U33 U34
Page: 1-7
ECN Date: 8/9/94
AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA
Introduction
J6
1-7
A
A A
A A
A A
A
A A
A A
AAAA A A A A