[syslinux] MEMDISK issue with OptiPlex GX280,620

[Jason Vasquez]

Good day to you, too. No worries about the delay. I understand how busy everyone is with SYSLINUX. Gladly, the project continues to develop and improve. With that said, thanks for today's flurry of activity regarding my reported problem.

Impressively, the debug version of MEMDISK that you had directed me to use appears to have done the trick. Results below.

command line: initrd=images/misc/c.img pause BOOT_IMAGE=memdisk_memdskprobedbg
Disk is hd0, 10404 K, C/H/S = 306/4/17 (MBR/MBR), EDD on, rw
Using safe INT 15h access to high memory
Code 1744, meminfo 276, cmdline 66, stack 512
Total size needed = 2598 bytes, allocating 3K
Old dos memory at 0x9fc00 (map says 0xa0000), loading at 0x9f000
1588: 0xffff  15E801: 0x3c00 0x7dc3
INT 13 08: Success, count = 1, BPT = 0000:0000
Drive probing gives drive shift limit: 0x82
old: int13 = f0005c6f int15 = f000f859 int1e = f000efc7
new: int13 = 9f00000a int15 = 9f0003ba int1e = f000efc7
Loading boot sector... press any key to boot...

No 'lost drive' message was reported and the internal hard drive is now visible to the booted environment. I also tried (only on the OptiPlex GX280, at this time) this debug version with my Ghost client image from previous trials, and it works. Yay. So does this mean the genius team has fixed the issue? I can perform further testing, but the latest changes look promising indeed. Much thanks.

Regards.

----- Original Message -----
From: "Shao Miller" <Shao.Miller at yrdsb.edu.on.ca>
To: syslinux at zytor.com
Sent: Tuesday, January 25, 2011 5:23:34 PM GMT -05:00 US/Canada Eastern
Subject: Re: [syslinux] MEMDISK issue with OptiPlex GX280,620

On 1/25/2011 16:38, Shao Miller wrote:
> On 1/25/2011 13:36, Jason Vasquez wrote:
>> Gladly yes to test, thank you.
>>
>> System used: OptiPlex GX280, BIOS A08. Results below.
> ...It's the bogus AH == 0x15 "success" case that's hurting these 
> models.  I will address that and submit another patch.
>
> Thanks for testing.

Good day again, Jason.  Would you be so kind as to please test:

   
http://git.zytor.com/?p=users/sha0/syslinux.git;a=blob;f=memdisk/memdskprobedbg;h=ae4d6188d8ba7c8b435abb9749501167eb5356c4;hb=25bd5be054ff1bfac7c2dc2f1a92d44e60cd437e

Apologies for the delay.

- Shao Miller
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