IBM PC AT
E37193
The IBM PC AT is a second-generation IBM personal computer introduced in 1984 that featured the Intel 80286 processor and set many hardware and expansion standards for business PCs.
Aliases (3)
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
IBM PC compatible
→
personal computer → |
| abbreviation |
AT
→
|
| architecture |
x86
→
|
| baseRAM |
256 KB
→
512 KB → |
| bios |
IBM AT BIOS
→
|
| biosVendor |
IBM
→
|
| busType |
ISA
→
|
| busWidth |
16-bit ISA
→
|
| caseType |
full-height desktop case
→
|
| category |
1980s computers
→
IBM personal computers → |
| chipsetFeature |
CMOS real-time clock
→
battery-backed CMOS configuration memory → |
| codename |
Advanced Technology
→
|
| compatibleWith |
IBM PC XT software
→
IBM PC software → |
| cpu |
Intel 80286
→
|
| cpuClockSpeed |
6 MHz
→
8 MHz → |
| cpuWordSize |
16-bit
→
|
| expansionSlots |
ISA expansion slots
→
|
| floppyController |
AT floppy disk controller
→
|
| formFactor |
desktop computer
→
|
| graphicsAdapter |
CGA
→
EGA → MDA → |
| influenced |
AT form factor standard
→
AT-style power connectors → ISA expansion bus standard → |
| introduced |
1984
→
|
| introducedAs |
successor to IBM PC XT
→
|
| keyboardConnector |
5-pin DIN keyboard connector
→
|
| keyboardType |
84-key AT keyboard
→
|
| manufacturer |
IBM
→
|
| marketedFor |
business computing
→
|
| maxRAM |
16 MB theoretical
→
|
| memoryType |
DRAM
→
|
| operatingSystem |
MS-DOS
→
PC DOS → Xenix → |
| powerSupply |
192-watt power supply
→
|
| predecessor |
IBM PC XT
→
|
| realModeAddressLimit |
1 MB
→
|
| standardFloppyDrive |
1.2 MB 5.25-inch floppy drive
→
|
| standardHardDisk |
20 MB hard disk drive
→
|
| storageInterface |
ST-506 hard disk interface
→
|
| successor |
IBM Personal System/2 line
→
|
| supportedFloppyDrive |
360 KB 5.25-inch floppy drive
→
|