=============================================================================== 7540A IDE DRIVE =============================================================================== KEY FEATURES: * 14ms average seek * 32K on-board buffer * 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 * Multi-Word DMA Mode 1 * Energy Stary compliant * SPECIFICATIONS: Formatted capacity (w/o OS limitation): .... 540,170,240 Bytes Formatted capacity (w/ OS limitation): ..... 528,482,304 Bytes Bytes per sector:........................... 512 Integrated Controller/Interface: ........... AT Actuator type: ............................. Voice Coil Number of Disks: ........................... 2 Data Surfaces: ............................. 4 Data Heads: ................................ 4 Servo: ..................................... Embedded Tracks per surface: ........................ 2,666 Track Density (average): ................... 3,100 tpi Flux Density (average): .................... 48.07 kfci Recording Density: ......................... 64.10 kfci Data Zones per Surface: .................... 8 Sectors per track: ......................... 72 to 123 PERFORMANCE (Typical): Seek times* (ms) Track to track: ....................... 3 Average: .............................. 14 ** Maximum: .............................. 31 Average latency (ms): ...................... 8.45 Spindle speed (+-0.1%): .................... 3,551 RPM Controller overhead: ....................... 0.5 ms Data transfer rate (Mbytes per sec) To/From Media (MB/sec): .................. 2.7 - 4.75 To/from Buffer (without I/O CHRDY): ...... PIO Mode 2 8.33 To/from Interface (with I/O CHRDY): ...... PIO Mode 3 11.11 DMA Transfers (sustained): ............... Mode 0 DMA Transfers (burst): ................... Mode 1 Start time (0 - Drive Ready). .............. <=9 sec Avg. Stop Time/Power Down: ...................... <=3.5 sec Avg. Power Requirements (Average): Mode +12VDC +-8% +5VDC +-5% Power/Duration ---- ----------- ---------- -------------- Spin-up 1100mA 380mA 15.1W 1 sec max. Read/Write 196mA 360mA 4.2W Active 200mA 360mA 4.2W Idle 180mA 340mA 3.9W Park 150mA 100mA 2.3W Standby 0.92mA 137mA 0.7W Sleep 0.64mA 120mA 0.6W Physical: Height: 1.00" ( 25.4 mm) Length: 5.75" (146.1 mm) Width: 4.00" (101.6 mm) Weight: 1.2 lbs. (0.5 kg) Environmental: Temperature (Degrees C) Operating (stabilized).................. 5C to 50C Non-operating .......................... -40C to 71C 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 ........................ 15 Gs, 11ms (no errors) Non-Operating Shock .................... 70Gs Operating Vibration (without non-recoverable errors) 10Hz at 0.004 G^2/Hz 40Hz at 0.004 G^2/Hz 500Hz at 0.00004 G^2/Hz Non-operating Vibration (without non-recoverable errors) 10Hz at 0.015 G^2/Hz 40Hz at 0.015 G^2/Hz 500Hz at 0.00015 G^2/Hz Operating, swept sine (1 octave/minute) 5 to 20 Hz: ......................... 0.049" double amplitude 20 to 300 Hz: ....................... 1.0 G peak amplitude Acoustic Noise Sound power (per ISO 7779) ............. 3.5 belA Loudness ............................... 1.92 sones Sharpness .............................. 1.48 Acums * At nominal DC input voltages ** The average of 10,000 random seek times (measured on independent test equipment) constitutes the average seek time specification. *** Operating and non-operating specs meet MIL-STD-810E. Method 507.3 Table 507.3-I High humidity diurnal category. Natural, High Humidity, Cyclic (Cycle 3) ============================================================================== 7340AV JUMPER DESIGNATION |J24|J23|J22|J20| +=====================================+===+===+===+===* | Cable Select | | | | | | Disabled* | O | | | | | Enabled | J | | | | +=====================================+===+===+===+===* | Write Cache | | | | | | Enabled* | | O | | | | Disabled | | J | | | +=====================================+===+===+===+===* | Default Parameters (for auto-detect)| | | | | | 1040 X 16 X 63* | | | O | | | 1024 X 16 X 63 | | | J | | +=====================================+===+===+===+===* | Master/Slave | | | | | | Only drive in single drive system* | | | | J | | Master in dual drive system* | | | | J | | Slave in dual drive system | | | | O | +=====================================+===+===+===+===+ J=Jumpered O=Open *=Default Note: Jumpers J21 & J25 are factory reserved. Do not use. The jumper located on the ground pins of J22 & J23 is a spare. +=====+ +==================+ +==+ +=============+ +==+ +=========+ | +==+ +=====+ +==+ +=====+ +==+ ++ | +======+ +=+++ | + /==========================================>|;:::::| * | | #=======/============+ +======+ * | | | J21 J23 J25 | + * | | | +===+===+===+=+ | * | | | | @@@ | | * | | | | | | *J1 | | | +=+===+===+===+ | * | | | J20 J22 J24 | * | | +====================+ * | | + * | | * | | * | | + +==++ | +===++ | + # | | # | | # J3 | | +==+ +=====+ +==+ +====+ +==+ # | +====+ +=================+ +===+ +================+ +==+ +=====+====+ CMOS Configuration: Cyls Hds Write Landing Sec/Trk PreComp Zone ---------------------------------- (w OS limitation) 1024 16 0 0 63 Yields: 528 Million Bytes (Approx. 504 Mega-Bytes) (w/o OS limitation) 1047 16 0 0 63 Yields: 540 Million Bytes (Approx. 515 Mega-Bytes) 7540AV is a trademark of Maxtor Corporation. AT is a registered trademark of IBM Corporation. Specifications subject to change without notice. Copyright 1994 Maxtor Corporation. Rev A 9/10/94 Anderson ==============================================================================