Step 12 Install the Operating System Driver

Important

When booting the system from a drive connected to a MegaRAID controller and using EMM386.EXE, MEGASPI.SYS must be loaded in CONFIG.SYS before EMM386.EXE is loaded. If you do not do this, you cannot access the boot drive after EMM386 is loaded.

DOS ASPI Driver The MegaRAID Express ASPI driver can be used under DOS, Windows 3.x, and Windows 95. The DOS ASPI driver supports:

•up to six non-disk SCSI devices (each SCSI device must use a unique SCSI ID regardless of the SCSI channel it resides on. SCSI IDs 1 through 6 are valid

•up to six MegaRAID Express adapters (you should configure only one MegaRAID adapter per system if possible)

ASPI Driver The ASPI driver is MEGASPI.SYS. It supports disk drives, tape drives, CD-ROM drives, etc. You can use it to run CorelSCSI, Novaback, PC Tools, and other software that requires an ASPI driver. CorelSCSI, Novaback, and PC Tools are not provided with MegaRAID Express. Copy MEGASPI.SYS to your hard disk drive. Add the following line to CONFIG.SYS. MEGASPI.SYS must be loaded in CONFIG.SYS before EMM386.EXE is loaded.

device=<path>\MEGASPI.SYS /v

Parameters The MEGASPI.SYS parameters are:

Parameter

Description

/h

INT 13h support is not provided.

/v

Verbose mode. All message are displayed on the screen.

/a

Physical drive access mode. Permits access to physical drives.

/q

Quiet mode. All message except error message are suppressed.

Cont’d

Chapter 6 Hardware Installation

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