IBM Travelstar DARA‑212000 – 12GB 2.5" IDE Hard DrivePart Number: 31L9800Model: DARA‑212000Interface: 44‑pin IDE / PATACapacity: 12GBForm Factor: 2.5"Height: Standard 9.5mm classSpeed: 4200 RPM (Travelstar DARA series)Condition: Tested and verified working. No bad sectors detected during SMART/scan.
Item DescriptionThis listing is for an IBM Travelstar DARA‑212000 12GB 2.5" IDE hard drive, part number 31L9800. Pulled from a working legacy system and fully tested for read/write functionality. Ideal for restoring vintage laptops, embedded systems, or legacy industrial equipment that requires a 44‑pin PATA drive.The DARA series is known for reliability and compatibility across a wide range of late‑90s and early‑2000s hardware.
Testing Performed• Drive spins up normally• SMART status: OK• Full surface scan: No reallocated sectors• OS read/write test: Passed
What’s Included• IBM DARA‑212000 12GB IDE HDD (P/N 31L9800)
ShippingShips safely packed in anti‑static protection with fast handling.Product Type: 2.5" IDE Hard Disk DriveManufacturer: IBMSeries: Travelstar DARAModel Number: DARA‑212000Part Number: 31L9800Capacity: 12GB
1. GENERAL SPECIFICATIONS• Drive Type: 2.5" HDD• Interface: 44‑Pin IDE / PATA (ATA‑5 compliant)• Formatted Capacity: 12GB• Sector Size: 512 bytes• Buffer / Cache: 512KB (DARA series standard)• Data Integrity: ECC with automatic retries
2. PERFORMANCE• Spindle Speed: 4200 RPM• Average Seek Time: ~12 ms• Track‑to‑Track Seek: ~2 ms• Average Latency: 7.14 ms• Internal Transfer Rate: Up to ~100–150 Mbit/s (DARA series typical)• External Transfer Rate:• ATA‑5 / PIO Mode 4• Multiword DMA Mode 2• Ultra DMA Mode 2 (ATA‑33)
3. PHYSICAL CHARACTERISTICS• Form Factor: 2.5"• Height: 9.5 mm• Width: 70 mm• Depth: 100 mm• Weight: ~115 g• Connector: 44‑pin IDE (40‑pin signal + 4‑pin power)
4. POWER REQUIREMENTS• Voltage: +5V DC• Read/Write: ~2.0 W• Idle: ~0.85 W• Standby: ~0.25 W• Sleep: ~0.20 W(Values based on DARA‑series power profile)
5. ENVIRONMENTAL SPECIFICATIONSOperating• Temperature: 5°C to 55°C• Humidity: 8% to 90% (non‑condensing)• Shock (non‑operating): Up to 1000 G• Shock (operating): ~100–200 G• Vibration:• Operating: 1.0 G• Non‑operating: 5.0 GAcoustics• Idle: ~28 dBA• Seek: ~32 dBA
6. RELIABILITY• MTBF: ~300,000 hours• Load/Unload Cycles: 300,000• Error Rate: < 1 per 10¹⁴ bits read• SMART: Supported
7. COMPATIBILITY• Legacy laptops (1998–2003 era)• Industrial controllers requiring 44‑pin IDE• Embedded systems• Retro PC restorations• Any ATA‑5 / PATA‑compatible host
8. IDENTIFIERS• Model: DARA‑212000• Part Number: 31L9800• FRU Numbers: Various IBM service FRUs (series‑dependent)• Manufacturer: IBM Storage Systems Division
9. INCLUDED IN LISTING• IBM Travelstar DARA‑212000 12GB IDE HDD• Anti‑static packagingDigital Storage Capacity12 GBHard Disk InterfaceIDEConnectivity TechnologySATABrandIBMSpecial FeaturePortableHard Disk Form Factor2.5 InchesHard Disk DescriptionMechanical Hard DiskInstallation TypeInternal Hard DriveCache Size12 GBItem Weight2.2 Pounds
Product Description

Specifications
SN: AHQ06801
Model: DARA-212000
Part Number: 31L9800
MLC: F79806
PCB Sticker: 25L1689 F42377C

HDD #2 Specs:
Serial Number: AH514650
HDA Barcode: AH000
Model: DARA-212000
Part number: 31L9800
MLC: F79806
Product of: Thailand
Manufacturing Date: SEP-00
PCB Sticker: 25L1689 F42377C
PCB Revision: 36H5913

HDD #3 Specs:
Serial Number: AHN83895
HDA Barcode: AH000
Model: DARA-212000
Part number: 31L9800
MLC: F79806
Product of: Thailand
Manufacturing Date: JUN-00
36H5913 25L1689 F42377A
PCB Revision: 11K3063
Controller Chip: 90G3835