IBM Personal Computer AT
IBM Personal Computer AT (IBM PC AT)
IBM Personal Computer AT/370
Models
| Model | Memory | Diskette Drive | Harddisk Drive | Adapter Cards |
|---|---|---|---|---|
| 068 | 256 kB | 1 x 5.25" HD | 20 MB | |
| 099 | 512 kB | 1 x 5.25" HD | 20 MB | Serial/Parallel Adapter |
| 239 | 512 kB | 1 x 5.25" HD | 30 MB | |
| 319 | 512 kB | 1 x 5.25" HD | 30 MB | |
| 339 | 512 kB | 1 x 5.25" HD | 30 MB |
Optional features:
- 256Kb Memory Module Kit (#0202) (Model 68 only)
- 128Kb Memory Expansion (#0209)
- 512Kb Memory Expansion (#0203)
- 20Mb Fixed Disk Drive (#0205)
- 1.2Mb High Capacity Diskette Drive (#0206)
- 360Kb Dual-sided Diskette Drive (#0207)
- 80287 Math Co-processor (#0211)
- Serial/Parallel Adapter (#0215)
- Serial Adapter Cable (#0217)
- Floor Standing Enclosure (#0218)
- Prototype Adapter (#0220)
- Serial Adapter Connector (#0242)
Operating Systems
PC DOS
- PC DOS 3.0 (Aug 1984)
- PC DOS 3.1 (Mar 1985) required for IBM PC Network
- PC DOS 3.2 (Apr 1986) 3.5" DD floppy support
- IBM DOS 3.3 (1987) 3.5" HD floppy support
- IBM DOS 4.0 (Jul 1988)
- IBM DOS 5.0 (Jun 1991)
OS/2
- IBM Operating System/2 Standard Edition Version 1.0, 1.1, 1.2, 1.3
- IBM Operating System/2 Extended Edition Version 1.0, 1.1, 1.2, 1.3
| Display Adapter | Memory | PM | BVH |
|---|---|---|---|
| IBM Monochrome Display and Printer Adapter | 4 KB | - | BVHMPA.DLL |
| IBM Color Graphics Adapter | 16 KB | IBMCGA.DLL | BVHCGA.DLL |
| IBM Enhanced Graphics Adapter | 64 KB | IBMCGA.DLL | BVHEGA.DLL |
| IBM Enhanced Graphics Adapter /w Graphics Memory Expansion Card | 128 KB | IBMEGA.DLL | BVHEGA.DLL |
| IBM PS/2 Display Adapter | 256 KB | IBMVGA.DLL | BVHVGA.DLL |
Publications
- Guide to Operations for the IBM Personal Computer AT (6280066)
- Hardware Maintenance and Service for the IBM Personal Computer AT (1502242)
- IBM Personal Computer AT Technical Reference