Single-Ended and Differential Disk Drives
Addr Jmp3 Jmp2 Jmp1 Jmp0
_____________________________ 3 2 1 0
| 0 | Off | Off | Off | Off | __________________________________
| 1 | Off | Off | Off | On | Pin 1----o o o o o o o o o o X o o o o |
| 2 | Off | Off | On | Off | Pin 2----o o o o o o o o o o o X o o o o |
| 3 | Off | Off | On | On | |__________________________________|
| 4 | Off | On | Off | Off | Pin 1 and Pin 2 do not exist
| 5 | Off | On | Off | On | in the 50pin model.
| 6* | Off | On | On | Off |
| 7* | Off | On | On | On |
| 8 | On | Off | Off | Off | ______________________________
| 9 | On | Off | Off | On | |* Addr 7 is usually reserved |
| 10 | On | Off | On | Off | | for the adaptor. |
| 11 | On | Off | On | On | | In high-availability |
| 12 | On | On | Off | Off | | configurations, the second |
| 13 | On | On | Off | On | | adapter is usually assigned |
| 14 | On | On | On | Off | | address 6. |
| 15 | On | On | On | On | | |
|_____|_____|_____|_____|_____| |______________________________|
Label VPD
2.2GB S2F IBMRISC DFHSS2F Starfire
P/N 74G6996 Ref 74G6976 SCSIFW SE
FRU 74G6996 FRU 74G6996
SCSI ID weight 4 2 1
__________________________________
| . o o o o o o o o o | o o o o |
| . o o o o o o o o o o | o o o o |
|_______________________|__________|
_______________________________________________________________________________
Label VPD
2.25GB xP32150 IBMRISC DFHSS2F SCSI2 SE
P/N 74G8790 Ref 74G8790 Quantum
FRU 74G6996 FRU 74G8791 Metal case
SCSI ID weight 4 2 1
| | |
o o o o o o o o o
o o o o o o o o o o
FLT OUT____________________| | | | | |
BSY OUT______________________| | | | |
Spin Up________________________| | | |
Reserved_________________________| | |
Wrt Prot___________________________| |
SP Sync______________________________|
_______________________________________________________________________________
Label VPD
2.2GB S2W IBMRISC DFHSS2W Starfire
P/N 74G6984 Ref 74G6984 SCSI FW SE
FRU 74G7007 FRU 74G7007 7131-150 105?
7204-113
SCSI ID weight 4 2 1
o o o o o o o o o o J o o o o
Internal o o o o o o o o o o o J o o o o
Yellow_________________ _______Led Red
White________________ | |
Brown______________ | | |
Red______________ | | | |
| | | | |
o o o o o N N R N o J o o o o
In 7204-113 N N N K o o N N K N o J o o o o
| | | | | |
| | | | | |__Jumper
N = No wire _____|_|_| | |
blacK__________________| |_____Led blacK
_______________________________________________________________________________
Label VPD
2.2 Gb S2W IBMRISC DFHSS2W
P/N 86G8699 Ref 07H7536 7135-210
FRU 07H7536
SCSI ID weight ? ? ?
__________________________________
| . o o o o o o o o o | o o o o |
| . o o o o o o o o o o | o o o o |
|_______________________|__________|
______________________________________________________________________________
2.25 Gb Quantum Harpoon IBMRISC DFHSS2W SCSI2 FW
P/N 74G8812 Ref 74G8812 Quantum Harpoon
FRU 74G8824 FRU 74G8824 Metal case
SCSI ID weight 8 4 2 1
| | | |
pin1--> o o o o o o o o o o o o o o o
o o o o o o o o o o o o o o o o <--pin32
Key______________________| | | | | |
Auto Start_________________| | | | |
Active Term__________________| | | |
Spindle Sync___________________| | |
* 8 bit emulation________________________| |
Mandatory______________________________________|
* 8 bit emulatione present when Wide disk (16bit) is
used on a Narrow bus (8bit).
Last updated 29 Dec 1999 by Bruno Croft