| ID | Category [?] | Severity [?] | Reproducibility | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 09355 | Media Support | Minor | Always | 3 days ago | 2 days ago |
| Tester | VasiliyFamiliya | View Status | Public | Platform | MAME (Unofficial Binary) |
| Assigned To | Resolution | Bugs That Aren't Bugs | OS | Windows (x64) | |
| Status [?] | Resolved | Driver | |||
| Version | 0.284 | Fixed in Version | Build | x64 | |
| Fixed in Git Commit | Github Pull Request # | ||||
| Summary | 09355: ct486 [wndows98b]: Althought BIOS recognizes hard disk size correctly, the bootdisk formatter cannot allocate more than 255 MB of HD space. | ||||
| Description | Becase of it some large programs and games cannot be installed. | ||||
| Steps To Reproduce | |||||
| Additional Information | This bug doesn't affect at586 machine, but ct486 perceives an HD images preformatted using at586 as a broken. | ||||
| Github Commit | |||||
| Flags | |||||
| Regression Version | |||||
| Affected Sets / Systems | ct486 [wndows98b] | ||||
|
Attached Files
|
| ||||
|
| |||||
|
| |||||
 No.24019
crazyc Developer
3 days ago
|
That bios, like all early pc bioses, has a 504MB limit in you use a chs geometry of 1024,16,63. It will only be able to access the first 1024 cyl and since you have 32 spt the accessible size will be 1024x16x32 which has 256MB. |
|---|---|
 No.24027
VasiliyFamiliya Tester
2 days ago
|
Is it possible to avoid cylinders limit through the heads or sectors increasement? |
|
No.24028
VasiliyFamiliya Tester
2 days ago
|
Also, similar limitation affects pcipc too. |
|
No.24029
VasiliyFamiliya Tester
2 days ago
|
Althought I could confuse pcipc with at586. |