Purchased from Varsity computers August 7, 2001.  hp registration home:  www.hp.com/go/tapereg, parachon/p....p
3 years Express Exchange warranty.

Mech. Serial Number: IE31088868
Product: C5686A,   OPTION: ABA
Firmware Revision: C005

Rated capacity & speed:  40GB,   21.6 GB/hr, 6MB/sec   (compressed 2:1)
 
 

01-08-09

Used Tape tools, to check on latest firmware updates; did update successfully.  In the file /kernel/drv/st.conf, added the following lines (the six spaces are significant in the strings):

tape-driver-buffering = 4;
tape-config-list =
"HP      HP35470A", "HP DDS 4mm DAT", "HP-data1",
"HP      HP35480A", "HP DDS-DC 4mm DAT", "HP-data1",
"HP      C1533A", "HP DDS2 4mm DAT", "HP-data2",
"HP      C1537A", "HP DDS3 4mm DAT", "HP-data2",
"HP      C5683A", "HP DDS4 4mm DAT", "HP-data2",
"HP      C1553A", "HP DDS2 4mm DATloader", "HP-data2",
"HP      C1557A", "HP DDS3 4mm DATloader", "HP-data2",
"HP      C5713A", "HP DDS4 4mm DATloader", "HP-data2";
HP-data1 = 1,0x34,1024,0x639,3,0x00,0x13,0x3,2;
HP-data2 = 1,0x34,1024,0xd639,4,0x00,0x13,0x24,0x3,3;

Then did the following:
% cd /dev/rmt
% rm *

Then did a reconfigure boot:
% cd /
% touch /reconfigure
% sync
% halt
% boot -r

Drive came up as Taget 3, Unit 0 Removeable Tape HP C5683A C005 9$DR-10.  Using Networker on warp, I was seeing up to 6MB/sec transfer rates.