=============================================================================== 7131A IDE DRIVE =============================================================================== KEY FEATURES: * 14ms average seek * 64K on-board cache * Low power consumption * Zone density recording * 1:1 interleave * Dual drive master/slave support * Rotary voice coil * Automatic actuator lock * Single-sided surface mount PCBA SPECIFICATIONS: Formatted capacity: ........................ 131.1 Bytes Embedded Controller: ....................... AT Actuator type: ............................. Voice Coil Number of Disks: ........................... 1 Data Surfaces: ............................. 2 Data Heads: ................................ 2 Servo: ..................................... Embedded Physical Cylinders ......................... 2,096 Physical Tracks ............................ 8,384 Track Density (average): ................... 2,500 tpi Bytes per sector:........................... 512 Sectors per drive (user).................... 256,528 Sectors per track: Zone 1 .................... 72 Zone 2 .................... 64 Zone 3 .................... 60 Zone 4 .................... 54 Zone 5 .................... 48 PERFORMANCE (Typical): Seek times* (ms) Track to track: ....................... 3 Average: .............................. 14 ** Maximum: .............................. 27 Average latency (ms) ....................... 8.45 Spindle speed .............................. 3,551 RPM Controller overhead ........................ 1 ms Data transfer rate (Mbytes per sec) To/From Media (MB/sec) Zone 1 ......... 2.83 To/from buffer (AT) ................... 9 To/from interface ..................... 8.0 Start time / power up (0-3,551 RPM) Average ............................. <= 6 sec Maximum ............................. <= 10 sec Stop time / power down Average ............................... <= 3 sec Maximum ............................... <= 5 sec Interleave: ................................ 1:1 Buffer Size: ............................... 64K Interface: ................................. AT Recording Method: .......................... 1,7 RLL Recording Density (Kbpi) ................... 42.6 max Flux Density (Kfci) ........................ 31.9 max Power Requirements (Typical): Mode +12VDC +-8% +5VDC +-5% Power/Duration Spin-up 850mA 320mA R/W 130mA 330mA 3.2 W Seeking 120mA 308mA Idle Active 3.0 W Physical: Height: 1.00" (2.54 cm) Length: 5.75" (14.61 cm) Width: 4.00" (10.16 cm) Weight: 1.2 lbs. (.57 kg) Environmental: Temperature (Degrees C) Operating .............................. 5 to 50 Non-operating .......................... -40 to 60 Thermal Gradient ....................... 20 C per hr Humidity *** Operating .............................. 5% to 95% non-condensing Non-operating .......................... 5% to 95% non-condensing Maximum wet bulb ....................... 27.6 Maximum Gradient / hr .................. 20% Altitude (relative to sea level) Operating .............................. -200 to 10,000 feet Non-operating .......................... MIL-STD-810E Reliability and Maintenance: MTBF ....................................... >300,000 hours Preventative Maintenance ................... None Component design life ...................... 5 years (minimum) Data reliability............................ <10 per 10^13 bits read Seek Error Rate ............................ <=10^7 Shock & Vibration (typical) Operating Shock ........................ 10 Gs, 11ms (no errors) Non-Operating Shock .................... 70Gs Operating Vibration (without nonrecoverable errors) 5-20Hz ............................... .049" 20-300Hz ............................. 1.5G Non-operating Vibration (without nonrecoverable errors) 5-20 Hz ............................... .05" 20-300 Hz ............................. 1.0 G peak Acoustic Noise Sound power (per ISO 7779) ............. 3.9 belA Sound pressure ......................... 32.2 dBA * At nominal DC input volages ** The average of 10,000 random seek times (measured on independent test equipment) consitutes the average seek time specification. *** Operating and non-operating specs meet MIL-STD-810E. Method 507.3 Table 507.3-I High humidity diurnal catagory. Natural, High Humidity, Cyclic (Cycle 3) ============================================================================== 7131A JUMPER DESIGNATION |J24|J23|J22|J20|J19|J18|J17|J16| +=====================================+===+===+===+===+===+===+===+===* | Cable Select | | | | | | | | | | Disabled* | O | | | | | | | | | Enabled | J | | | | | | | | +=====================================+===+===+===+===+===+===+===+===* | Write Cache | | | | | | | | | | Enabled* | | O | | | | | | | | Disabled | | J | | | | | | | +=====================================+===+===+===+===+===+===+===+===* | Drive Compatibility | | | | | | | | | | Disabled* | | | O | | | | | | | Enabled | | | J | | | | | | +=====================================+===+===+===+===+===+===+===+===* | Master/Slave | | | | | | | | | | Only drive in single drive system* | | | | J | | | | | | Master in dual drive system | | | | J | | | | | | Slave in dual drive system | | | | O | | | | | +=====================================+===+===+===+===+===+===+===+===* | Spare Jumper+ | | | | | | | | | | <11/1/93 Provided | | | | | J | | | | | >11/1/93 Not Provided | | | | | O | | | | +=====================================+===+===+===+===+===+===+===+===* | Low Power Spin Mode | | | | | | | | | | Disabled* | | | | | | O | | | | Enabled | | | | | | J | | | +=====================================+===+===+===+===+===+===+===+===* | ECC | | | | | | | | | | 11-Bit* | | | | | | | O | | | 4-Bit emulation | | | | | | | J | | +=====================================+===+===+===+===+===+===+===+===* | I/O Channel Ready | | | | | | | | | | Disabled* | | | | | | | | O | | Enabled | | | | | | | | J | +=====================================+===+===+===+===+===+===+===+===+ J=Jumpered O=Open *=Default +=Manufacture Date +=====+ +==================+ +==+ +=============+ +==+ +=========+ | +==+ +=====+ +==+ +=====+ +==+ ++ | +====+ +=+++ | + /==========================================>|::::| * | | #=======/========+ +====+ * | | | J24 J22 | + +==+ * | | | +===+===+=+ | |,,| * | | | | | | /============================>|::| * | | | | | | #=======/=======+ |::| *J1 | | | +=+===+===+ | | +=====+ | +==+ * | | | J25 J23 | | J20+ @@@ | | * | | +================+ | | @@@ +J19+| * | | | J18+ | | + * | | | | +J17 | * | | | J16+ | | * | | + | +=====+ | +==++ | +===============+ +===++ | + # | | # | | # J3 | | +==+ +=====+ +==+ +====+ +==+ # | +====+ +=================+ +===+ +================+ +==+ +=====+====+ CMOS Configuration: Cyls Hds Write Landing Sec/Trk PreComp Zone ------------------------------------ 1002 8 0 0 32 Yields: 131.1 Million Bytes (Approx. 125.2 Mega-Bytes) 7131A is a trademark of Maxtor Corporation. AT is a registered trademark of IBM Corporation. Specifications subject to change without notice. Copyright 1993 Maxtor Corporation. Rev B 11/5/93 Anderson ==============================================================================