Thanks for the manual, now I can see what you need. Start on page 3-7 with the note in grey box. It says version 1.0 of the mobo BIOS only allowed a total of 4 IDE/ SATA devices, so if you have one or two SATA devices installed, it / they replaces an IDE device. However, with ver 2.0 BIOS the SATA devices are IN ADDITION to the 4 IDE devices. To see which is your case, see page T-3 on how to identify your BIOS version. For your situation it may not make a big difference. Bottom line is you should be able to make the change you want simply, and without adding drivers.
I understand you have one old HDD, presumably as the Master on IDE channel 1, and one CD or DVD drive, presumably as the Slave on IDE Channel 1. The jumpers on these two devices should be set that way, and the single 80-conductor cable from mobo Channel 1 connector should have the HDD on the end, and the DVD on the middle connector. Your plan is to clone to the new SATA drive from the old IDE one, then switch around so there is no old drive at all, and the new SATA drive becomes the bootable C: drive.
I'll write this as if you have the earlier version 1 BIOS, which is more limited, but if you have ver 2 it will work just fine anyway. It appears the difference between those two is this: With ver 1, when you connect a SATA drive to Port 1 it can replace the IDE Master on Channel 1, whereas with BIOS ver 2 the SATA unit on Port 1 becomes the Master on a new IDE Port 3. The key is on pages 3-17 and 3-18. To get the initial cloning done, for a ver 1 BIOS we want not to disable the existing old HDD on Channel 1 Master. Connect the new SATA drive to Port 1; see pages 2-22 and 2-23. Enter the BIOS Setup screens on booting (page 3-2) and in the Main Menu cursor down to "Integrated Peripherals" and hit "Enter". Cursor down to "On-Chip Serial ATA" and use Page Down to set it to "Legacy Mode", which will enable the SATA ports and combine them with IDE ports. Now cursor down to "SATA Port 0 Mode". Note this confusion: although the mobo labels call them Ports 1 and 2, the BIOS calls them Ports 0 and 1. You plugged into SATA Port 1, which BIOS calls Port 0! Anyway, on page 3-18 it appears you should set the first SATA port to option 3, "Secondary Master" which will make the SATA drive on this port become like the Master on IDE Channel 2, which you are not using. It is not clear to me if you can simply ignore the unused second SATA port, but maybe you must set it to option 4, "Secondary Slave" (also unused).
Hit "Esc" twice to return to the Main Menu, then cursor up and "Enter" on the "Standard CMOS Features" option. Here again they are being confusing, because the mobo labels say Channels 1 and 2, but the BIOS calls these Channels 0 and 1. Anyway, if you cursor down to IDE Channel 0 Master (your old HDD) it probably is set to "Auto" and the same for its Slave (your DVD). By now I expect your IDE Channel 1 Master is your new HDD and it should be set also to "Auto"; if not, do that. The Slave on this channel probably is at "None" since there's no device on it. If you have lines showing IDE Channel 2 Master and Channel 3 Master, that's because you have version 2 of the BIOS that creates these new IDE channels specifically for SATA port use.
"Esc" back to Main Menu, cursor over to "Save and Exit Setup", hit "Enter" and confirm. The machine will reboot with the new settings. What all of this should have done is set up the SATA drive so that BIOS pretends it is an IDE drive and Windows can handle it with no trouble at all - no new drivers required. Since you appear to be using Win XP, you can check whether this is working so far. The new drive will NOT appear in My Computer, because it has not been Partitioned and Formatted. But there is a place Windows can show it to you as an empty resource.
Click on Start, then RIGHT-click on "My Computer" in the menu and choose "Manage". In the left pane of the new window, expand "Storage" if necessary and choose "Disk Management". Now on the right you will see two panes. In the upper pane is a list of current devices with their properties, and it should show you your existing older C: drive. The lower right pane scrolls to show you Disk 0 and its contents - usually one partition called the C: drive, a CD-ROM or DVD drive, and it should also have a new Disk 1 with nothing but Unallocated Space on it with a size a little smaller than Seagate said it is. (By the way, there is NO missing space - Seagate and Microsoft just disagree on the definition of a "Gigabyte".) Anyway, if you see your new HDD unit here, Windows has access to it and we're good to go forward. Simply Close this Disk Manager window.
VERY IMPORTANT! Check which Service Pack you have installed in XP. Click Start ... Control Panel ... Help ... About Windows. On the line about Version number it should say Service Pack (or SP) 1, 2 or 3. If it does not, you have the first release of XP and it does NOT support large hard drives! Technically, it is called "48-bit LBA Support". Without it, you cannot use a drive larger than 130 GB all as one large volume, although you can split it into Partitions within this limit. If you don't have at least SP2 installed, download it (or SP3) and update your XP BEFORE proceeding further.
Now you are ready to clone your old drive to the new one. Since you got a Seagate drive, it may have come with a CD of utilities including one important one called "Disk Wizard". If not, you can download this utility from the Seagate website for free. Install it on your old HDD. This way it will know you have support for large hard drives and not limit you.
Run the Disk Wizard. It is designed for this job of cloning or migrating EVERYTHING from your old HDD to a new Seagate HDD of a different size so that you can completely remove the old one and run from the new one. Look around the menus because you'll need to know where to set some things. Most important is to know that your old HDD MUST be the Source drive for the cloning operation, and your new one MUST be the Destination. Get this backwards and you'll lose everything, because it will completely destroy anything on the DESTINATION drive. On the Destination (new) drive, you'll want to set these things:
1. Partition Size - how much of this drive do you want to be the first (C
drive? If you want it all used in one volume, do that. If you want to make it smaller and come back later to create another Logical Drive to use separately, you can do that, too.
2. File System - choose NTFS for such a big drive.
3. Choose the option to MAKE THIS DISK BOOTABLE. That way it will set some key bits on the disk and copy all the secret boot files to exactly the right place on the disk.
When you have everything set, tell it to proceed with the cloning. It will do several steps all in one operation: Partition as you specified, format the disk, copy the boot files, then copy absolutely everything from your old HDD to the new one. When it is finished you can shut down the system, unplug it, open the case and disconnect your old drive. I'm going to suggest another swap to ensure simple operation. We are going to make your new drive act like the Primary IDE Master, but there will not be a real device connected in this position. So, at the mobo end, unplug the IDE cable that used to handle the old HDD and DVD. Plug it in instead to the Secondary IDE connector on the mobo. At the other end of this cable, it used to plug into the old HDD, but you just disconnected that. Unplug the middle connector from the DVD, and plug in the end connector instead. Now re-adjust the jumpers on the DVD to make it behave as Master since it is now the only device on the
Secondary IDE Channel. You might need to pull the DVD drive out of the case to read labels on it telling you how to set the jumpers. In this case, do NOT set it to "CS" (Cable Select); if it offers a choice of flavors of "Master", choose "Master with no Slave". Now close up and reconnect power, and boot up. Boot into the BIOS Setup right away to re-adjust settings.
In Integrated Peripherals ... On-Chip SATA, set the first SATA port (connected to your new drive) to option 1, "Primary Master". If you have to, set the other SATA port to option 2, Primary Slave" although there is none. Esc back to setting the IDE channels. I would guess here that you will set "On-Chip Primary PCI IDE" to Disabled since there is nothing on this port, and the BIOS is going to slip the new SATA drive into the Primary Channel Master position. Ensure the Secondary IDE port is Enabled and its only device, the Master, is set to "Auto". Esc back to Main Menu. Go into Standard CMOS Features and set IDE Channel 0 Master to Auto, Slave to None; similarly, set IDE Channel 1 Master to "Auto" and Slave to None. Esc to Main Menu, select Save and Exit, and the machine should reboot cleanly from the new disk. Your C: drive should now show up as the big unit you bought. Check that the DVD drive is still the same name (maybe it was D
as before. Done!
Now for the OOPS! part. If this does not work and the machine can't boot, you can go back into the BIOS Setup screens and try making adjustments. And do not panic, because you still have your original old HDD, with no changes to it, sitting there disconnected inside the case. If you had to, you could back up and reconnect it and run from it again.
But assuming it does work as planned, try it all out for a while. When you are really sure it is working, you can decide what to do with the old HDD. Maybe just decorate your shelf with it. Maybe wipe it clean and install somewhere else. Whatever.