Appearance: Used,weatheredFunctionality:Not Working Description:============As pictured, an NECPD/CD-ROM Unit, model number ODX-651. 50-Pin SCSI Interface. This drive workswith both CD-ROM and a PD rewritable media. The drive powers on, will ejecttray and spin disks, but not recognized by SCSI card – sold as-is.Warranty andReturns:=====================This product isbeing sold AS-IS without any warranty. Returns are not accepted. To ensure thatthis is the right product for your needs, we’re happy to answer any questions. Shipping:=========- Local pickup isalso available at no cost.- Most orders placedbefore 9am will ship the same day.Stock#:15567ODX-651 - 650MB,SCSI, 5.25 Inch Capacity: Formatted: 650MB Per Disk: 650MB Dimensions Height: 1.6 in/41.3 mm Width: 5.75 in/146 mm Depth: 7.72 in/196 mm Weight: 1.98 lb/900 grams Disk Configuration Disk Size: 120mm diameter Data Surfaces: 1 Bytes/Sector: Rewriteable mode = 512bytes/sector CD-ROM Mode 1 = 2048 bytes/sector CD-ROM Mode 2 = 2336bytes/sector Disk Format: Rewriteable mode = ZCAV CD-ROMmode = CAV Rotational Rate: Rewriteable mode = 2,026 RPMCD-ROM mode = 800-2120 RPM @ 4x Environmental Temperature: Operating = 5 deg to 45 deg CNon-operating = -5 deg to 55 deg C Humidity: Operating = 20% to 80% Non-operating= 10% to 90% Shock: Operational = 2G Non-operational = 50G Vibration: Operational = 0.25G Non-operational= 0.5G PerformanceSpecifications Seek Times: Rewriteable mode = 165ms CD-ROMmode = 195ms Latency, avg: Rewriteable mode = 15ms CD-ROMmode = 37.5 to 14.2ms @ 4X Cache Memory: 256kb Interface: SCSI-2 Data Transfer: Rewriteable mode: Read =518-1141 kb/sec Write (inc verify) = 300-600 kb/sec CD-ROM mode: Read = 600kb/sec @ 4x Write = n/a Power Voltage ReqÆd: +5V, +12V Pwr Dissipation: Read/write mode = 12 wattsStand-by mode = 10 watts Reliability MTBF: 30,000 POH @ 10% duty cycle MTTR: <30 minutes Device Life: 5 years
