HP LH4r HP Netserver LPr Quick Service Guide - Page 6

Boot Device Priority, Hot-Swap Drive Bay Addresses, Accessory Boards

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Boot Device Priority By default, the HP NetServer searches for bootable devices in the order shown below. CD-ROM Drive • Floppy Disk Drive • Embedded SCSI Controller, starting with SCSI ID 0 • PCI Slots in the order 3, 2, and 1 On each controller, the server scans for a boot device starting at device ID 0 and works up from there. The controller is always SCSI ID 7. NOTE This boot order can be changed using the SETUP utility (press [F2] during the boot process). Hot-Swap Drive Bay Addresses SCSI ID 1 Accessory Boards SCSI ID 0 The HP NetServer LPr includes four PCI slots; one (over the system board) is taken by the Network Interface Controller (NIC) but can be used by other small PCI boards. Interrupt Sharing In the LPr, PCI slot #3 and the embedded SCSI controller share the same interrupt line. The system is capable of avoiding internal conflicts through interrupt sharing; however, interrupt sharing results in a small performance loss as the operating system has to resolve which of the devices caused the interrupt before it responds. Therefore, if the embedded SCSI controller is enabled, use the other PCI slots before using slot #3. NOTE Adding a PCI-to-PCI bridge card to the HP NetServer may alter the server's boot order. This boot order can be changed using the SETUP utility (press [F2] during the boot process). Refer to Chapter 4, "Installing Mass Storage Devices," and see the subsection, "Boot Device Priority." Slot 3 Slot 2 Slot 1 CAUTION 4 Do not bend the PCI card to fit it into the slot. Check to make sure you removed any handles or board extenders.

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Boot Device Priority
By default, the HP NetServer searches for bootable devices in the order shown below. CD-ROM Drive
•
Floppy Disk Drive
•
Embedded SCSI Controller, starting with SCSI ID 0
•
PCI Slots in the order 3, 2, and 1
On each controller, the server scans for a boot device starting at device ID 0 and works up from there. The controller is
always SCSI ID 7.
NOTE
This boot order can be changed using the SETUP utility (press [F2] during the boot process).
Hot-Swap Drive Bay Addresses
SCSI ID 0
SCSI ID 1
Accessory Boards
The HP NetServer LPr includes four PCI slots; one (over the system board) is taken by the Network Interface
Controller (NIC) but can be used by other small PCI boards.
Interrupt Sharing
In the LPr, PCI slot #3 and the embedded SCSI controller share the same interrupt line. The system is capable of
avoiding internal conflicts through interrupt sharing; however, interrupt sharing results in a small performance loss as
the operating system has to resolve which of the devices caused the interrupt before it responds. Therefore, if the
embedded SCSI controller is enabled, use the other PCI slots before using slot #3.
NOTE
Adding a PCI-to-PCI bridge card to the HP NetServer may alter the server's boot order. This boot
order can be changed using the SETUP utility (press [F2] during the boot process). Refer to
Chapter 4, "Installing Mass Storage Devices," and see the subsection, "Boot Device Priority."
Slot 1
Slot 2
Slot 3
CAUTION
Do not bend the PCI card to fit it into the slot. Check to make sure you removed any
handles or board extenders.