Vintage Seagate ST-125A 21MB 3.5" IDE Hard Drive ST-125A-1 40-Pin 286 386 DOS PC For Sale
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Vintage Seagate ST-125A 21MB 3.5" IDE Hard Drive ST-125A-1 40-Pin 286 386 DOS PC
Price: US $99.95
Vintage Seagate ST-125A 21MB 3.5-Inch IDE Hard Drive
Authentic vintage early-1990s 3.5-inch internal IDE hard disk drive by Seagate Technology. An essential period-correct component for vintage IBM PC/AT, 286, 386, and early 486 DOS retro gaming and computing systems.
Hardware Details & Identifiers:
Manufacturer: Seagate Technology
Model: ST-125A (Label marked ST-125A -1)
Storage Capacity: 21 MB
Interface: 40-Pin PATA / IDE (Integrated Drive Electronics) with standard 4-pin LP4 Molex power connection
Form Factor: 3.5-inch internal with factory side mounting rails intact
Part / Ordering Number: 902037-005
Serial Number: KP898735
Assembly Origin: Assembled in Singapore
Power Ratings: +5V (1.4 A) / +12V (2.0 A)
PCB Identifiers: Equipped with Seagate controller ASICs (12654-501, 11740-501, 12695-501), Intel N8052AH microcontroller, and Sharp LH5160N cache RAM.
