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USA BESTSELLER Vol 1-95 (Hepp-Computer)(1995).iso
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e177
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st15230w.txt
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1994-05-03
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SEAGATE TECHNOLOGY, INC.
Customer Technical Support FAX Network +1 408 438-8137
Customer Technical Support Bulletin Boards (300-9600, 8-N-1)
┌──────────────────────────────────┬─────────────────────────────────┐
│ United States +1 408 438-8771 │ United Kingdom +44 628 478011 │
├──────────────────────────────────┼─────────────────────────────────┤
│ Germany +49 89 140-9331 │ Singapore +65 227-2217 │
└──────────────────────────────────┴─────────────────────────────────┘
(C)opyright 1994
ST-15230W SCSI-2 Fast Wide (Hawk 4)
╔═══════════╗
║ REAR VIEW ║ (ST-15230W/WD only)
╚═══════════╝
(TOP) Auxiliary
___________________ ┌── ─1┐/═════════\
═( ╫╫╫╫╫╫╫╫╫╫╫╫╫╫╫╫╫1)═│::::::││ 0 0 0 0 ╞═
\────────────│────/ └ ── ┘└─5─G─G─12┘
68 pin I/O Cable┘ ││││││
││││││
││││││
││││││
Auxiliary option header ││││││
pin-11 +5v ─────────┘│││││
pin-10 GND ──────────┘││││
SCSI ID = 8 ───────────┘│││
SCSI ID = 4 ────────────┤││
or pin-6 REFIND+ ──────┘││
SCSI ID = 2 ─────────────┘│
SCSI ID = 1 ──────────────┘
SCSI ID = 0 (none)
╔═══════════╗
║ REAR VIEW ║ (ST-15230WC only)
╚═══════════╝
80 pin I/O and DC Power Wall/bracket Connection
│ Female
J1 /────│───────────────\ TOP (HDA)
══════════/ ╫╫╫╫╫╫╫╫╫╫╫╫╫╫╫╫╫╫╫╫ \══════════
(\─1──────────────────40/) BOTTOM
Notes on 80 pin I/O connector:
pins 1 - 4 = +12v 41 - 44 = 12v GND
34 - 36 = +5v 74 - 76 = 5v GND
37 = SYNC 77 = LEDC
38 = MTRON 78 = DLYDST
39 = SCSIA0 79 = SCSIA1
40 = SCSIA2 80 = SCSIA3
Mating NC connector: AMP US p/n: 2-557103-1 straight-in, Male 80-pin
2-557101-1 right angle to PCB
╔═════════════════╗
║ RIGHT SIDE VIEW ║ (Both ST-15230W and ST-15230WC)
╚═════════════════╝
BACK ╒═╕ J2 12345678 TOP (HDA) FRONT
OF J1╞══════════════════════P═W═A═══════════════════════ OF
DRIVE ╘═╛ :::::::: BOTTOM DRIVE
││││││││
│Terminator Power ┘││││││└ Reserved
┌┤Terminator Power ─┘││││└─ Start Delay (12 secs * ID)
│ Enable T-Res ──┘││└── Motor Start
│ Parity Enable ───┘└─── Write Protect
│
│
│ ┌────────────────────────────────┐
└─┤ Termination Power-source Table │
├────────────────────────────────┴─────────────┐
│═════....═════....═════PWA edge═════ │
│ │
│ 1 2 1 2 1 2 │
│ ╓─╖ ╓─╖ A Drive Supplies Bus │
│ ║°║° °║°║ ╓°─°╖ B Drive Supplies Own │
│ ╙°╜° °╙°╜ ╙° °╜ C Bus Supplies Drive │
│ A B C │
└─────────Default──────────────────────────────┘
Note: The model ST-15230WC drive cannot furnish terminator power,
because no pins on the 80 pin I/O connector are devoted to terminator
power.
╔════════════╗
║ FRONT VIEW ║ (Both ST-15230W and ST-15230WC)
╚════════════╝
TOP (HDA) J6 ╒═════1╕
══P═W═A══════════════════════════╡::::::╞═
* BOTTOM ╘══════╛
│ ││││││
LED ─┘ ││││││
││││││
││││││
Auxiliary option header ││││││
pin-11 +5v ─────────┘│││││
pin-10 GND ──────────┘││││
SCSI ID = 8 ───────┬───┘│││
or pin-8 BUSY ────┘ │││
SCSI ID = 4 ───────┬────┘││
or pin-6 REFIND+ ─┘ ││
SCSI ID = 2 ─────────────┘│
SCSI ID = 1 ──────────────┘
SCSI ID = 0 (none)
If these ID jumper are used, then
ID jumpers shown in left side view J5
or 80 pin I/O cable ARE NOT USED.
ST-15230W
UNFORMATTED CAPACITY (MB) ________________5160
FORMATTED CAPACITY (xx SECTORS) (MB) _____4294
AVERAGE SECTORS PER TRACK ________________
ACTUATOR TYPE ____________________________ROTARY VOICE COIL
TRACKS ___________________________________73,948
CYLINDERS ________________________________3,892 user
HEADS ______PHYSICAL______________________19
DISCS (3.5 in) ___________________________10
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________ZBR RLL (1,7)
TRANSFER RATE INTERNAL (mbits/sec)________34 to 63
SPINDLE SPEED (RPM) ______________________5,411
AVERAGE LATENCY (mSEC) ___________________5.54
BUFFER ___________________________________512/2048 KByte
Read Look-Ahead, Adaptive,
Multi-Segmented Cache
INTERFACE ________________________________SCSI-2 FAST Wide
SECTORS PER DRIVE ________________________
TPI (TRACKS PER INCH) ____________________3000
AVERAGE ACCESS (ms) (read/write)__________9.0/10.5
Drive level without controller overhead
SINGLE TRACK SEEK (ms) ___________________1
MAX FULL SEEK (ms) _______________________22
MTBF (power-on hours) ____________________800,000
POWER REQUIREMENTS: +12V START-UP (amps) _2.4
+12V TYPICAL (amps) __0.6
+5V START-UP (amps) __0.8
+5V TYPICAL (amps) ___0.43
TYPICAL (watts) ______9
MAXIMUM (watts) ______
WRITE PRECOMP (cyl) ______________________N/A
REDUCED WRITE CURRENT (cyl) ______________N/A
LANDING ZONE (cyl) _______________________AUTO PARK
IBM AT DRIVE TYPE ________________________0 or NONE
Physical:
Height (inches/mm): 1.63/41.4
Width (inches/mm): 4.00/101.6
Depth (inches/mm): 5.75/146.1
Weight (lbs/kg): 2.5/0.99
Already low-level formatted at the factory with twelve spare sectors
per cylinder and two spare cylinders/unit.
ZBR = Zone Bit Recording = Variable sectors per track
Seagate reserves the right to change, without notice, product
offerings or specifications. (05/02/94)