Installation guide
Performing a Standard Installation
2 AcceleRAID 150/200/250 Quick Installation Guide
Performing a Standard Installation
(AcceleRAID 150 and AcceleRAID 250 only)
m Caution
If an operating system or existing data resides on
SCSI disk drives already installed on the system, a
full backup should be performed on these drives prior
to this installation.
1. Be sure power is turned off and the system is not plugged into an
electrical outlet.
,
WARNING
To avoid electrical shock, do not attempt to
perform this hardware installation with power on.
Disconnect the system from the electrical wall
outlet.
2. If JP10 on the AcceleRAID 150 or 250 is installed, remove it, as shown
in Figure 1 and in Figure 2.
Figure 1. AcceleRAID 150 with Component Locations
Table 1. AcceleRAID 150 Jumpers and LEDs
Jumpers Description LEDs Description
JP1 Header for SCSI activity LED
(Pin 1 – active low, Pin 2 – Vcc)
U1 On – controller failed startup diags.
JP4 Mylex use only LVD LVD mode on unless SE device
detected.
JP5 Not used
JP10 Off for standard – On for SISL SE Single-ended device detected
Note: J1 and J2 are both on the same Channel.
J2
External
Connector
(VHDCI)
J1
Internal Connector
(68-Pin High Density)
JP10
Jumper on Jumper off
Jumper removed and
placed over a single
pin for safekeeping
12
3
JP1
U1
SE
LVD
JP4
JP5