Award BIOS for Atari PC1, PC2 and PC3
| Version | V3.05 | Date | 09/17/1987 | Size | 256K | |
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| Description | As far as I know it was only found on the Atari PC1. | |||||
| Download | Download | |||||
| Version | V3.06 | Date | 10/01/1987 | Size | 256K | |
| Description | Changes: Parity Check Enabled (source).
As far as I know it was only found on the Atari PC1. |
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| Download | Download | |||||
| Version | V3.07 | Date | 10/19/1987 | Size | 256K | |
| Description | Changes: NSI Video BIOS Updated (source).
As far as I know was only found on the Atari PC1. |
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| Download | Download | |||||
| Version | V3.08 | Date | 12/15/1987 | Size | 256K | |
| Description | Changes: RTC Support Added (source).
Latest and final revision of the Award BIOS for the Atari PC. Shipped with the Atari PC2 and PC3 and also some later built Atari PC1’s. |
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| Download | Download | |||||
AMI BIOS for the Atari PC4/PC4LC (EVEN and ODD) and ABC 286
| Version | V1.x | Date | 09/25/1988 | Size | 256K | |
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| Description | On the PC4 the BIOS chip labeled “PC4X-BIOS”. Earliest known version for the Atari PC4. Also found on the PC4LC Motherboard in a very early revision ABC 286/30 with the BIOS chip labeled “PC4 Germany / PC NTSC”. |
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| Download | EVEN | ODD | |||||
| Version | V1.7 | Date | 02/22/1990 | Size | 256K | |
| Description | BIOS chip labeled “286/60”. This version has a known issue with HIMEM.SYS. See Atari Technical Bulletin ABC286-0001. | |||||
| Download | EVEN | ODD | |||||
EGA BIOS |
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| Version | 1.0.6 | Date | ??/??/1988 | Size | 256K | |
| Description | Chips and Technologies P82C441 EGA BIOS as found on the Atari PC4LC Motherboard (aka ABC 286/30) and other ABC 286 series boards. | |||||
| Download | Download | |||||
VGA BIOS |
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| Version | Unknown | Date | 06/15/1988 | Size | 256K | |
| Description | Paradise PVGA1A-JK Onboard VGA BIOS. Found on all PC4 motherboard revisions. | |||||
| Download | EVEN | ODD | |||||
AMI BIOS for the Atari PC5
| Version | V1.00 | Date | Unknown | Size | 256K | |
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| Description | AMI BIOS for the AMI 386XT Series-4 motherboard which includes in-built diagnostics. Has Atari copyright branding during POST but as far as I can tell it is a standard AMI BIOS. | |||||
| Download | ROM0 | ROM1 | ROM2 | ROM3 | |||||