讲解U6 CERT TEST全过(图文)

U6的40G盘。好多红绿块。几乎全盘都是。于是维修的过程。顺便写了个教程。希望对大家有帮助。关于什么是CERT大家可以搜索论坛的精华帖子。要做U6的CERT TEST必须有CERT ROM。CERT ROM见附件。
把含有CERT的电路板换到待修盘的盘体上。然后把电源和COM线接好。通电。要先写OVERLAY。见图：

写入成功后。进入3K程序的超级终端。出现了：

Intf tsk rst 1024k x 16 buffer detected
ATRst
ROM&RAMHeadMapDiff
U6 - ST340810A(S),03.39

Intf tsk rst 1024k x 16 buffer detected
ATRst
ROM&RAMHeadMapDiff
U6 - ST340810A(S),03.39 (通电后一般光标会停留在这里,我们按CTRL+Z键切换到T级别工作模式)
T>N4 (N是设置西捷硬盘的AGE‘年龄’参数,N4则代表设置硬盘的AGE=04.表示CERT TEST从04开始跑)

T>W (W 指令是将当前信息回写到磁盘)

T>Valid CSPT - Rev FF.07.03.21 (按CTRL+T键就开跑了)
Valid RWF - Rev D0.06

Valid VBPI - Rev 00.1A
Valid OVLY - Rev 03.39.77
Begin Test 04 (表示CERT TEST从04开始跑)

Pick current = 0000 DAC bits.

DAC offset = 0244 DAC bits.
Out In
CYL = 045E Bias = 00E7 Bias = 00E5
CYL = 0C5E Bias = 00EA Bias = 00D0
CYL = 145E Bias = 00DF Bias = 00D1
CYL = 1C5E Bias = 00D5 Bias = 00BD
CYL = 245E Bias = 00CE Bias = 0049
CYL = 2C5E Bias = 00C8 Bias = 0040
CYL = 345E Bias = 00C2 Bias = 00AB
CYL = 3C5E Bias = 00BF Bias = 00A9
CYL = 445E Bias = 00B5 Bias = 00A8
CYL = 4C5E Bias = 00AF Bias = 00A0
CYL = 545E Bias = 00A6 Bias = 009A
CYL = 5C5E Bias = 00B2 Bias = 0095
CYL = 645E Bias = 00A0 Bias = 008B
CYL = 6C5E Bias = 0096 Bias = 0088
CYL = 745E Bias = 0091 Bias = 0084
CYL = 7C5E Bias = 008A Bias = 007C
CYL = 845E Bias = 0088 Bias = 0077
CYL = 8C5E Bias = 007E Bias = 0071
CYL = 945E Bias = 007A Bias = 006C
CYL = 9C5E Bias = 0075 Bias = 0063
CYL = A45E Bias = 006B Bias = 005E
CYL = AC5E Bias = 0066 Bias = 0058
CYL = B45E Bias = 005F Bias = 0052
CYL = BC5E Bias = 005E Bias = 004B
CYL = C45E Bias = 0059 Bias = 0046
CYL = CC5E Bias = 0051 Bias = 0042
CYL = D45E Bias = Goodcopy=02
0046 Bias = 003A
CYL = D758 Bias = 001B Bias = 0033
KEY 01h Valid

Ref 0194 - Hd Msk 0A00 - Hd Msk 0900 - Switch to full int.
Ready

Ref 0115 - Hd Msk 0A00 - Hd Msk 0900 - Switch to full int.
Ready

Ref 0114 - Hd Msk 0A00 - Hd Msk 0900 - Switch to full int.
Ready

Ref 0163 - Hd Msk 0A00 - Hd Msk 0900 - Switch to full int.
Ready

Ref 0197 - Hd Msk 0A00 - Hd Msk 0900 - Switch to full int.
Ready

Ref 0185 - Hd Msk 0A00 - Hd Msk 0900 - Switch to full int.
Ready

Ref 011B - Hd Msk 0A00 - Hd Msk 0900 - Switch to full int.
Ready

Ref 0135 - Hd Msk 0A00 - Hd Msk 0900 - Switch to full int.
Ready
Total kicks=0012
Avg kicks=0002
OkEnd Test 04
Begin Test 07
HEAD 1x WEIGHTS 2x WEIGHTS
00 -08 05 00 -00
The AFC 1x sum of squares weight limit is HEX 2400
The AFC 2x sum of squares weight limit is HEX 1388
OkEnd Test 07
Begin Test 0C
Head00 1000
1001

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