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| Release | Date | Changes |
| R01-H0 BETA CheckSUM |
16/5/95 9800 |
BIOS version R01-G0 did not support
automatic 'SETUP' changes when the CPU speed or CPU board (ALI or Intel) was changed. BIOS version R01-G0 did not display the correct processor speed for 100, 120 & 130 Mhz processors. |
| R02-D0 | 5/6/95 | This is the 'initial' release of the first shipping BIOS for the Acer M5 motherboard |
| R03-B0 BETA | 17/8/95 | The wrong CPU speed was shown when a
120MHz P54C was fitted. This has now been resolved. The machine would hang if an Intel PRO/100 EISA card was fitted in EISA slot 3. This has now been fixed. The keyboard controller device has been changed from an NEC part to Acer's own 5042 v5.0 device. |
| R-2-F0 | 22/9/95 | |
| R03-B0 CheckSUM |
15/10/95 F900 |
This release is unchanged from the BETA version R03-B0 and is for factory production |
| R03-B6 BETA CheckSUM |
16/2/96 E100 |
This is the initial release of the Acer M5 BIOS providing support for dual 150Mhz processors only. |
| R03-B8 BETA CheckSUM |
15/3/96 E300 |
This is the second release of the Acer M5 BIOS providing support for dual 150Mhz processors only. |
| R03-B8 CheckSUM |
3/4/95 E300 |
This software is functionally unchanged from the previous beta release. |
