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AP400 Professional Workstation
I'm trying to use one of these.....
It has the original SCSI drive installed. (About 4 GB) When I plug in an IDE drive to the "primary" IDE connector it is recognized. But the machine insists on trying to boot from it. The boot order feature in the setup program can't seem to distinguish between the two hard drives although other screens recognize all four drives correctly (floppy, CD, IDE and SCSI). Can anybody help me force the box to boot from the SCSI drive? What is the maximum IDE drive size supported and how can in increase it? Thanks in advance.... am |
#2
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AP400 Professional Workstation
Like most name-brand systems with on-board IDE, whether there is on-board SCSI
or a freestanding SCSI adapter, the motherboard BIOS in the AP400 will always boot from an IDE drive if one is present. Some of the motherboard manufacturers like Asus had BIOS options to allow choice of boot device. But I think you are out of luck with the AP400. The system has an Intel 440BX chipset, so its BIOS is probably limited to a max of 132GB, the same as most systems of this era... Ben Myers On Sun, 19 Aug 2007 09:21:05 -0700, AlanMuller wrote: I'm trying to use one of these..... It has the original SCSI drive installed. (About 4 GB) When I plug in an IDE drive to the "primary" IDE connector it is recognized. But the machine insists on trying to boot from it. The boot order feature in the setup program can't seem to distinguish between the two hard drives although other screens recognize all four drives correctly (floppy, CD, IDE and SCSI). Can anybody help me force the box to boot from the SCSI drive? What is the maximum IDE drive size supported and how can in increase it? Thanks in advance.... am |
#3
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AP400 Professional Workstation
Hi!
It has the original SCSI drive installed. (About 4 GB) Do you know what SCSI controller the system features? Is it onboard or in an expansion slot? SCSI adapters that I'm familiar with generally have their own boot BIOS and may not even show up to the system BIOS and its boot list. Make sure your SCSI adapter or integrated chipset has its boot BIOS enabled and then remove the IDE hard disk from the BIOS boot list. The SCSI adapter or chipset needs to be allowed to let its BIOS initialize and take over the boot process. With the main BIOS finding an IDE hard disk in the system and in the boot list, the SCSI adapter never gets a chance to do that. Can anybody help me force the box to boot from the SCSI drive? Turning off the hard disk choice in the BIOS should do it, as long as the SCSI adapter's boot BIOS is enabled. What is the maximum IDE drive size supported and how can in increase it? A lot depends upon when the system was produced. If it was made sometime around the early 2000s it could have a few different limits...up to about 2002 would probably have a limit at 137GB. Sometimes obtaining and flashing to the latest available BIOS for your system will allow you to use bigger hard drives. William |
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