Digital Equipment PRIORIS ZX 5000 MP, User Manual

Page: 145 / 169

Technical Specifications
A-7
Main Logic Board Jumper Settings
Jumper Description Setting Description
Test
development
vehicle Enable
(1)
Disable
J4H1, pins 1 and 2
(1)
J4H1, pins 2 and 3
Enables you to install
and use a TDV module
in slot CPU2.
Video Sleep Register 46E8
Register 3C3
(1)
J6A1, pins 1 and 2
J6A1, pins 2 and 3
(1)
After a period of key-
board inactivity, the video
sleep register blanks out
the monitor. You must
enter a password to re-
activate the monitor and
keyboard.
Program boot
block Disable
(1)
Enable
J7C1, pins 1 and 2
(1)
J7C1, pins 2 and 3
Set this jumper to dis-
able to prevent unauth-
orized personnel from
changing the BIOS boot
block.
Boot block Disable
(1)
Enable
J7D2, pins 1 and 2
(1)
J7D2, pins 2 and 3
If your BIOS upgrade
failed, refer to the
README.TXT file that
came with the BIOS
upgrade.
Floppy drive 1
(FD1) 1.44 MB
(1)
2.88 MB
J9B1, pins 1 and 2
(1)
J9B1, pins 2 and 3
Enables you to configure
the diskette drive port for
2.88 MB drives that sup-
port automatic size de-
tection.
Floppy drive 0
(FD0) 1.44 MB
(1)
2.88 MB
J9C1, pins 1 and 2
(1)
J9C1, pins 2 and 3
Enables you to configure
the diskette drive port for
2.88 MB drives that sup-
port automatic size de-
tection.
Power control Enable
(1)
Disable
J9C3, pins 1 and 2
(1)
J9C3, pins 2 and 3
Enables power supply
maintenance voltage
control using the RTC.
(1) Factory default setting