Troubleshooting Guide
A–10 www.hp.com Troubleshooting Guide
POST Error Messages
1785-Multibay
incorrectly installed
(for Multibay option on
non-USDT systems)
1. Multibay option
ribbon cables not
seated or improperly
attached.
2. Multibay device not
properly seated.
3. Multibay diskette
present.
1. Ensure the Multibay option is
attached as device 0 on the IDE
cable.
2. Ensure no other device is attached to
the same IDE cable.
3. Ensure both ends of the IDE and
Multibay ribbon cables are properly
seated.
4. Ensure the Multibay device is fully
inserted.
5. Ensure a Multibay diskette is not
present (Multibay diskette drives are
not supported by the Multibay
option).
(for integrated Multibay/
USDT systems)
1. Multibay device not
properly seated.
2. Multibay riser not
properly seated.
1. Ensure the Multibay device is fully
inserted.
2. Ensure the Multibay riser is properly
seated.
1794-Inaccessible
devices attached to
SATA 1 and/or
SATA 3
A device is attached to
SATA 1 and/or SATA 3.
Devices attached to these
connectors will be
inaccessible while “SATA
Emulation” is set to
“Combined IDE
Controller” in Computer
Setup.
1. If using Windows 2000 or Windows
XP, change “SATA Emulation” to
“Separate IDE Controller” in
Computer Setup.
2. If not using Windows 2000 or
Windows XP, relocate the affected
devices to SATA 0 or SATA 2 (if
available).
3. Remove the affected devices from
SATA 1 and SATA 3.
Numeric Codes and Text Messages (Continued)
Code/Message Probable Cause Recommended Action










