Motorola 900 series - MVME328 XT-1;-2 SCSI-II Controller

VME Expansion Module
MVME328XT-1/-2 SCSI-II Controller
The MVME328XT is a SCSI-II controller capable of controlling up to 14 SCSI
devices, seven with the primary SCSI channel (channel 0), plus seven more
with the secondary SCSI channel (channell).
Table 3-1. MVME328XT Jumper Settings
Header
Description Setting
Jl
Hardware halt
No Jumper
J2
Terminator power to primary SCSI bus (power connected)
1-2
]3 EPROM selection (128K x 8 (27C010)
No Jumper
J4
EPROM selection (128K x 8 (27C010)
No Jumper
JS
SCSI bus ID and VME bus grant
No Jumper
J6
Console Message disabled and GDB initialized on exit 5-6, 7-8
J7
16 bit block mode disabled, clear SysFail after passing 3-4, 5-6, 7-8
diagnostics, reset disabled, debugger enable
J8
Load firmware from EPROM, normal run mode, 2K bytes of 5-6,7-8
secondary short
I/0 space
J9
2K bytes of primary short I/ 0 space, primary master control 1-2,3-4,7-8
register reset enabled
JlO
Secondary channel address modifiers 29 or 2D 1-2
Jll
Primary channel address modifiers 29 or 2D 1-2
J12
See Figure
Jl3
Primary short I/0 Base address
J14
J15
J16
See Figure
J17
Secondary short
I/0 address
J18
J19
P4
Terminator power to secondary SCSI bus is connected
Jumper In
3-4
Reference Guide
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