Hawk 2
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Installation Guide | Product Manual |
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SEAGATE TECHNOLOGY, INC.
1-800-SEAGATE
http://www.seagate.com
(C)opyright 1993
ST-12400N SCSI-2 Fast (Hawk 2)
ÉÍÍÍÍÍÍÍÍÍÍÍ»
º REAR VIEW º (ST-12400N only)
ÈÍÍÍÍÍÍÍÍÍÍͼ
50 pin I/O Cable Connection
³
J1ÕÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ1¸ /ÄÄÄÄÄÄÄÄÄ\ TOP (HDA)
͵:::::::::::::::::::::::::Æͳ 0 0 0 0 ³ÍÍ
ÔÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ; ÀÄ5ÄGÄGÄ12Ù BOTTOM
ÉÍÍÍÍÍÍÍÍÍÍÍ»
º REAR VIEW º (ST-12400NC only)
ÈÍÍÍÍÍÍÍÍÍÍͼ
80 pin I/O and DC Power Connection
³
J1 /ÄÄÄijÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ\ TOP (HDA)
ÍÍÍÍÍÍÍÍÍÍ/ ×××××××××××××××××××× \ÍÍÍÍÍÍÍÍÍÍ
(\Ä1ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ40/) 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
ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
º RIGHT SIDE VIEW º (Both ST-12400N and ST-12400NC)
ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ
BACK Õ͸ J2 12345678 TOP (HDA) FRONT
OF J1ÆÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍPÍWÍAÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ OF
DRIVE Ô; :::::::: BOTTOM DRIVE
³³³³³³³³
³Terminator Power Ù³³³³³³À Reserved
Ú´Terminator Power ÄÙ³³³³ÀÄ Start Delay (12 secs * ID)
³ Enable T-Res ÄÄÙ³³ÀÄÄ Motor Start
³ Parity Enable ÄÄÄÙÀÄÄÄ Write Protect
³
³
³ ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿
ÀÄ´ Termination Power-source Table ³
ÃÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÁÄÄÄÄÄÄÄÄÄÄÄÄÄ¿
³ÍÍÍÍÍ....ÍÍÍÍÍ....ÍÍÍÍÍPWA edgeÍÍÍÍÍ ³
³ ³
³ 1 2 1 2 1 2 ³
³ ÖÄ· ÖÄ· ÖÄÄÄ· A Drive Supplies Bus ³
³ ºøºø øºøº ÓøÄø½ B Drive Supplies Own ³
³ Óø½ø øÓø½ ø ø C Bus Supplies Drive ³
³ A B C ³
ÀÄÄÄÄÄÄÄÄÄDefaultÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
º LEFT SIDE VIEW º (ST-12400N only)
ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ If these ID jumpers are used,
then ID jumpers shown in front
view ARE NOT USED.
FRONT TOP (HDA) J5 ÕÍÍ1¸ Õ͸BACK
OF ÍÍÍÍÍÍÍÍPÍWÍAÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ͵:::Æ͵J1 OF
DRIVE BOTTOM ÔÍÍ; Ô;DRIVE
³³³
ID 1 ÄÙ³ÀÄ ID 4
ID 2
ÉÍÍÍÍÍÍÍÍÍÍÍÍ»
º FRONT VIEW º (Both ST-12400N and ST-12400NC)
ÈÍÍÍÍÍÍÍÍÍÍÍͼ
TOP (HDA) J6 ÕÍÍÍÍÍ1¸
ÍÍPÍWÍAÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ͵::::::ÆÍ
* BOTTOM ÔÍÍÍÍÍ;
³ 123456
LED ÄÙ ³³³³³³
ID 4 Ù³³³³À Reserved
ID 2 ÄÙ³³ÀÄ Remote LED (pin-3 +5v)
ID 1 ÄÄÙÀÄÄ Spindle Synchronization
(pin-6 REF SIG+, default
If these ID jumper are used, then jumper installed)
ID jumpers shown in left side view J5
or 80 pin I/O cable ARE NOT USED.
ST-12400N
Hawk 2
UNFORMATTED CAPACITY (MB) ________________2537
FORMATTED CAPACITY (xx SECTORS) (MB) _____2148
AVERAGE SECTORS PER TRACK ________________83 rounded down
ACTUATOR TYPE ____________________________ROTARY VOICE COIL
TRACKS ___________________________________49,799
CYLINDERS ________________________________2,621 user
HEADS ______PHYSICAL______________________19
DISCS (3.5 in) ___________________________10
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________ZBR RLL (1,7)
INTERNAL TRANSFER RATE (mbits/sec)________26.8 to 45.6
EXTERNAL TRANSFER RATE (mbyte/sec) _______5 Async
EXTERNAL TRANSFER RATE (mbyte/sec) _______10 Sync
SPINDLE SPEED (RPM) ______________________5,411
AVERAGE LATENCY (mSEC) ___________________5.54
BUFFER ___________________________________256/1024 KByte
Read Look-Ahead, Adaptive,
Multi-Segmented Cache
INTERFACE ________________________________SCSI-2 FAST
ASA
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) _______________________19
MTBF (power-on hours) ____________________500,000
SHOCK (G's):
operating (Read/Write) __________10
nonoperating ____________________60
ACOUSTICS (typ/max dBA) __________________/
POWER REQUIREMENTS: +12V START-UP (amps) _2.0
+12V TYPICAL (amps) __0.54
+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. (08/09/94)
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